{"title":"Roof Fans","description":"","products":[{"product_id":"sp-crhb4-225-n-225mm-roof-mounted-fan","title":"S\u0026P CRHB\/4-225 N 225mm Roof-Mounted Fan","description":"\n\u003cp\u003eDiscover our \u003cstrong\u003ecentrifugal roof mounted fans\u003c\/strong\u003e designed for \u003cstrong\u003ehorizontal discharge\u003c\/strong\u003e, featuring a sleek and \u003cstrong\u003every low profile\u003c\/strong\u003e design that seamlessly integrates into any roof space.\u003c\/p\u003e\n\n\u003cp\u003eKey features include:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDurable Bases:\u003c\/strong\u003e Constructed from \u003cstrong\u003egalvanised sheet steel\u003c\/strong\u003e for long-lasting performance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHigh Efficiency:\u003c\/strong\u003e Backward curved impeller made from \u003cstrong\u003ehigh strength black injection moulded plastic\u003c\/strong\u003e (models 225 and 250) or \u003cstrong\u003ealuminium sheet\u003c\/strong\u003e (models 280 to 355).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRobust Motor Options:\u003c\/strong\u003e Choose between a single-phase (\u003cstrong\u003e230V-50\/60Hz\u003c\/strong\u003e) or three-phase (\u003cstrong\u003e230\/400V-50\/60Hz\u003c\/strong\u003e) external rotor motor, both equipped with \u003cstrong\u003esafety thermal overload protection\u003c\/strong\u003e.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpeed Control:\u003c\/strong\u003e Adjustable speed via voltage or frequency inverter, depending on the motor type.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eQuality Construction:\u003c\/strong\u003e Cowl made from \u003cstrong\u003espun aluminium\u003c\/strong\u003e for enhanced durability.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConvenient Operation:\u003c\/strong\u003e On-Off isolator switch available in 2, 4, or 6 poles, based on the model.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more details, refer to our \u003cstrong\u003e\u003ca href=\"S\u0026amp;P_CRHB_Datasheet.pdf\" target=\"_blank\"\u003eS\u0026amp;P CRHB Datasheet\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064944488790,"sku":"5136911500","price":537.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/CRHB.jpg?v=1765463657"},{"product_id":"sp-crhb4-250-n-250mm-roof-mounted-fan","title":"S\u0026P CRHB\/4-250 N 250mm Roof-Mounted Fan","description":"\n\u003cp\u003e\u003cstrong\u003eIntroducing our Centrifugal Roof Mounted Fans:\u003c\/strong\u003e the perfect solution for efficient ventilation with a sleek horizontal discharge design.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLow Profile Design:\u003c\/strong\u003e Blends seamlessly with any roof structure.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Bases made from galvanised sheet steel for long-lasting performance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHigh Efficiency:\u003c\/strong\u003e Backward curved impellers crafted from high-strength black injection moulded plastic (225 and 250) or robust aluminium (280 to 355).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAdvanced Motor Technology:\u003c\/strong\u003e Equipped with external rotor motors for optimal performance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eQuality Cowl:\u003c\/strong\u003e Made from spun aluminium for enhanced durability.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVersatile Control:\u003c\/strong\u003e On-Off isolator switch available in 2, 4, or 6 poles depending on the model.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eMotor Options:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSingle-Phase:\u003c\/strong\u003e 230V-50\/60Hz (CRHB-N), IP54, Class F, with thermal overload protection. Speed controllable by voltage.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eThree-Phase:\u003c\/strong\u003e 230\/400V-50\/60Hz (CRHT), IP54, Class F, with thermal overload protection. Speed controllable by frequency inverter or voltage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information, check out the \u003cstrong\u003e\u003ca href=\"link_to_datasheet\"\u003eS\u0026amp;P CRHB Datasheet\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064944554326,"sku":"5136911900","price":535.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/CRHB_f6d75e18-ad92-4c6b-88c8-137f67046b06.jpg?v=1765463658"},{"product_id":"sp-th-800n-mixvent-200mm-roof-mounted-fan","title":"S\u0026P TH-800N MIXVENT 200mm Roof-Mounted Fan","description":"\n\u003cp\u003e\u003cstrong\u003eDiscover Our Premium Roof Mounted Mixed Flow Fans!\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eOur range of roof mounted mixed flow fans is designed for optimal extract operation, featuring:\u003c\/p\u003e\n\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Models 500 and 800 are crafted from high-strength injection moulded plastic, while models 1300 and 2000 are made from high-grade pressed sheet steel.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWeatherproof Design:\u003c\/strong\u003e All metallic components are coated with black epoxy-polyester paint for superior weather resistance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEasy Maintenance:\u003c\/strong\u003e The motor and impeller casing can be effortlessly removed with just 2 fixing clamps.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEnhanced Safety:\u003c\/strong\u003e Each model includes a bird guard and base cable gland entry point as standard.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReliable Motors:\u003c\/strong\u003e Equipped with IP44, Class F motors featuring thermal protection and lifetime-greased ball bearings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor added versatility, the TH-500, 800, and 800N models allow for the motor and impeller casing to be rotated 180º for supply air ventilation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e Electrical supply: Single phase 230V-50Hz (Capacitor inside the wiring terminal box).\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eGet Started:\u003c\/strong\u003e For more details, check out the \u003ca href=\"S\u0026amp;P_TH-MIXVENT_Datasheet.pdf\"\u003eS\u0026amp;P TH-MIXVENT Datasheet\u003c\/a\u003e.\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064944521558,"sku":"5220007800","price":399.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/S_P-th-mixvent.jpg?v=1765463658"},{"product_id":"sp-th-500150-mixvent-150mm-roof-mounted-fan","title":"S\u0026P TH-500\/150 MIXVENT 150mm Roof-Mounted Fan","description":"\n\u003cp\u003e\u003cstrong\u003eDiscover our Range of Roof Mounted Mixed Flow Fans\u003c\/strong\u003e, designed for efficient extract operation. Available in four models: 500, 800, 1300, and 2000, these fans are built for durability and performance.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e500 and 800 models\u003c\/strong\u003e feature high-strength injection molded plastic, while the \u003cstrong\u003e1300 and 2000 models\u003c\/strong\u003e are crafted from premium pressed sheet steel. All models come with robust sheet steel bases and either pressed sheet steel or spun aluminum cowls, ensuring longevity.\u003c\/p\u003e\n\n\u003cp\u003eEach fan includes a \u003cstrong\u003ebird guard\u003c\/strong\u003e and a base cable gland entry point as standard. The \u003cstrong\u003eweatherproof\u003c\/strong\u003e black epoxy-polyester paint coating protects all metallic components, and the motor and impeller casing can be easily removed with just two fixing clamps for hassle-free maintenance.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003emotors\u003c\/strong\u003e are rated IP44, Class F, featuring thermal protection and lifetime-greased ball bearings. They operate on a single-phase 230V-50Hz electrical supply, with a capacitor conveniently located inside the wiring terminal box.\u003c\/p\u003e\n\n\u003cp\u003eIn standard configuration, these fans serve as extractors, but the \u003cstrong\u003eTH-500, 800, and 800N models\u003c\/strong\u003e allow for versatility: the motor and impeller casing can be rotated 180º for supply air ventilation.\u003c\/p\u003e\n\n\u003cp\u003eFor more details, refer to the \u003cstrong\u003eS\u0026amp;P TH-MIXVENT Datasheet\u003c\/strong\u003e.\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064944619862,"sku":"5220004500","price":336.14,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/S_P-th-mixvent_16aa18ac-fcee-44d5-a955-2436403c30da.jpg?v=1765463659"},{"product_id":"sp-th-500160-mixvent-160mm-roof-mounted-fan","title":"S\u0026P TH-500\/160 MIXVENT 160mm Roof-Mounted Fan","description":"\n\u003cp\u003eIntroducing our range of \u003cstrong\u003eroof-mounted mixed flow fans\u003c\/strong\u003e, designed for efficient extract operation. Available in models \u003cstrong\u003e500\u003c\/strong\u003e, \u003cstrong\u003e800\u003c\/strong\u003e, \u003cstrong\u003e1300\u003c\/strong\u003e, and \u003cstrong\u003e2000\u003c\/strong\u003e, these fans are crafted from durable materials: high-strength injection moulded plastic for the smaller models and premium pressed sheet steel for the larger ones.\u003c\/p\u003e\n\n\u003cp\u003eKey features include:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRobust Construction:\u003c\/strong\u003e Bases made from sheet steel; cowls from pressed sheet steel or spun aluminium.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSafety First:\u003c\/strong\u003e All models come with a bird guard and base cable gland entry point.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWeatherproof:\u003c\/strong\u003e Metallic parts protected with a black epoxy-polyester coating.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEasy Maintenance:\u003c\/strong\u003e Motor and impeller casing can be removed effortlessly with just 2 fixing clamps.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eOur motors are \u003cstrong\u003eIP44 rated\u003c\/strong\u003e, Class F, featuring thermal protection and lifetime-greased ball bearings. They operate on a \u003cstrong\u003esingle-phase 230V-50Hz\u003c\/strong\u003e electrical supply, with the capacitor conveniently located inside the wiring terminal box.\u003c\/p\u003e\n\n\u003cp\u003eFor added versatility, the \u003cstrong\u003eTH-500\u003c\/strong\u003e, \u003cstrong\u003e800\u003c\/strong\u003e, and \u003cstrong\u003e800N\u003c\/strong\u003e models allow the motor and impeller casing to be rotated 180º for supply air ventilation.\u003c\/p\u003e\n\n\u003cp\u003eFor more information, refer to the \u003cstrong\u003eS\u0026amp;P TH-MIXVENT Datasheet\u003c\/strong\u003e.\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064944685398,"sku":"5220005200","price":337.14,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/S_P-th-mixvent_6d9f9a3a-14d9-45de-97f5-2d7feec40356.jpg?v=1765463659"},{"product_id":"systemair-dhs-sileo-225ez-single-phase-roof-fan-225mm-ac","title":"Systemair DHS Sileo 225EZ Single Phase Roof Fan - 225mm AC","description":"\n\u003cp\u003e\u003cstrong\u003eIntroducing the DHS Sileo Roof Fan\u003c\/strong\u003e - the perfect solution for high air volume applications requiring medium pressure and whisper-quiet operation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHigh Efficiency:\u003c\/strong\u003e Designed with 3D profiled impellers featuring backward curved blades for optimal performance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpeed-Controllable:\u003c\/strong\u003e All motors can be easily adjusted over voltage for customized airflow.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSafety First:\u003c\/strong\u003e Integrated thermal contacts in motors up to size 311 ensure protection against overheating, compliant with EN 60335-2-80.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExceptional Sound Levels:\u003c\/strong\u003e Enjoy a quiet environment with low noise operation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Robust aluminium casing and galvanized steel base frame, ideal for coastal applications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaintenance-Free:\u003c\/strong\u003e Reliable performance with minimal upkeep required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eExplore the \u003cstrong\u003eSystemair DHS Sileo 225EZ Roof Fan\u003c\/strong\u003e - AC Single Phase, 225mm, and elevate your ventilation experience today!\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064944750934,"sku":"189968","price":365.31,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/DHS_SILEO_001_c37047fb-dacf-41dc-9067-b1e595526279.jpg?v=1765463660"},{"product_id":"systemair-dhs-ds-roof-ventilation-fan-with-3-phase-ac-motor","title":"Systemair DHS DS Roof Ventilation Fan with 3-Phase AC Motor","description":"\n\u003cp\u003e\u003cstrong\u003eExperience the Power of DHS Roof Fans!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned for optimal performance, our DHS models feature \u003cstrong\u003espeed-controllable\u003c\/strong\u003e motors with integral thermal contacts, ensuring \u003cstrong\u003ereliable and maintenance-free\u003c\/strong\u003e operation. Enjoy a \u003cstrong\u003elow sound level\u003c\/strong\u003e while benefiting from the efficiency of backward curved blades and external rotor motors. For precise speed control, use with a frequency converter equipped with an all pole sine filter.\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"355mm dia","offer_id":52064945013078,"sku":"37766","price":862.6,"currency_code":"GBP","in_stock":true},{"title":"400mm dia","offer_id":52064945045846,"sku":"36121","price":835.01,"currency_code":"GBP","in_stock":true},{"title":"450mm dia","offer_id":52064945078614,"sku":null,"price":951.82,"currency_code":"GBP","in_stock":true},{"title":"500mm dia","offer_id":52064945111382,"sku":"37770","price":1047.91,"currency_code":"GBP","in_stock":true},{"title":"560mm dia","offer_id":52064945144150,"sku":"36130","price":1504.22,"currency_code":"GBP","in_stock":true},{"title":"630mm dia","offer_id":52064945176918,"sku":"37782","price":1864.78,"currency_code":"GBP","in_stock":true},{"title":"710mm dia","offer_id":52064945209686,"sku":"36204","price":2744.37,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/DHS_SILEO_001_e38eb696-0441-45b5-a48a-41f9b3890d26.jpg?v=1765463663"},{"product_id":"systemair-dhs-sileo-400mm-three-phase-ac-roof-fan","title":"Systemair DHS Sileo 400mm Three-Phase AC Roof Fan","description":"\n\u003cp\u003e\u003cstrong\u003eExperience Unmatched Performance with the DHS Roof Fan\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDiscover the perfect blend of efficiency and quiet operation with our \u003cstrong\u003eDHS models\u003c\/strong\u003e. Featuring \u003cstrong\u003espeed-controllable\u003c\/strong\u003e motors, you can easily adjust the airflow to meet your needs. The impellers, designed with \u003cstrong\u003ebackward curved blades\u003c\/strong\u003e, ensure optimal performance while maintaining a \u003cstrong\u003elow sound level\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eEnjoy a \u003cstrong\u003emaintenance-free\u003c\/strong\u003e experience with reliable thermal contacts, making the DHS roof fan an ideal choice for any environment. For advanced speed control, pair with a frequency converter that includes an all pole sine filter.\u003c\/p\u003e\n\u003cp\u003eExplore our \u003cstrong\u003eSystemair DHS Sileo 400 Roof Fan AC Three Phase - 400mm\u003c\/strong\u003e for detailed specifications and enhance your ventilation solutions today!\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064945307990,"sku":"36121","price":835.01,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/DHS_SILEO_001_f0048bef-69f2-425c-8966-599a3a648160.jpg?v=1765463664"},{"product_id":"systemair-dhs-sileo-310ev-single-phase-roof-fan-310mm-ac","title":"Systemair DHS Sileo 310EV Single Phase Roof Fan - 310mm AC","description":"\n\u003cp\u003e\u003cstrong\u003eIntroducing the DHS Sileo 310EV Roof Fan\u003c\/strong\u003e – the perfect solution for applications demanding high air volumes at medium pressure while maintaining exceptionally low noise levels.\u003c\/p\u003e\n\n\u003cp\u003eKey features include:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHigh Efficiency:\u003c\/strong\u003e Experience superior airflow with advanced 3D profiled impellers and backward curved blades.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpeed-Controllable:\u003c\/strong\u003e Tailor the airflow to your needs with easily adjustable motor speeds.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIntegrated Thermal Protection:\u003c\/strong\u003e Stay safe with built-in thermal contacts that prevent overheating, compliant with EN 60335-2-80.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWhisper-Quiet Operation:\u003c\/strong\u003e Enjoy a peaceful environment thanks to its excellent sound level performance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Crafted from lightweight aluminum and galvanized steel, ideal for coastal applications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaintenance-Free:\u003c\/strong\u003e Designed for reliability, ensuring minimal upkeep.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eUpgrade your ventilation system with the \u003cstrong\u003eDHS Sileo 310EV\u003c\/strong\u003e – where efficiency meets innovation!\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064945373526,"sku":"5703","price":684.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/DHS_SILEO_001_df7c8dbf-7941-4e6d-9650-7ad3f76bef64.jpg?v=1765463664"},{"product_id":"systemair-dhs-sileo-355mm-three-phase-roof-fan-ac-model","title":"Systemair DHS Sileo 355mm Three-Phase Roof Fan - AC Model","description":"\n\u003cp\u003e\u003cstrong\u003eExperience unparalleled performance\u003c\/strong\u003e with our DHS roof fans, featuring \u003cstrong\u003espeed-controllable\u003c\/strong\u003e motors that adapt to your needs. Designed with \u003cstrong\u003ebackward curved blades\u003c\/strong\u003e and \u003cstrong\u003eexternal rotor motors\u003c\/strong\u003e, these fans ensure optimal airflow while maintaining a \u003cstrong\u003elow sound level\u003c\/strong\u003e for a peaceful environment.\u003c\/p\u003e\n\n\u003cp\u003eEnjoy \u003cstrong\u003emaintenance-free\u003c\/strong\u003e reliability, thanks to integral thermal contacts that enhance safety and durability. For precise speed control, use a frequency converter with an all-pole sine filter. Elevate your ventilation solutions with DHS models today!\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064945537366,"sku":"37766","price":862.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/DHS_SILEO_001_6275bdb6-3caf-40ba-8415-00900dbd267e.jpg?v=1765463666"},{"product_id":"systemair-dhs-sileo-311ev-single-phase-roof-fan-311mm-ac","title":"Systemair DHS Sileo 311EV Single Phase Roof Fan - 311mm AC","description":"\n\u003cp\u003e\u003cstrong\u003eIntroducing the DHS Sileo Roof Fan:\u003c\/strong\u003e engineered for high air volume applications with medium pressure and ultra-low noise levels.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHigh Efficiency:\u003c\/strong\u003e 3D profiled impellers with backward curved blades ensure optimal performance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpeed-Controllable:\u003c\/strong\u003e Motors are easily adjustable over voltage for customized airflow.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIntegrated Thermal Protection:\u003c\/strong\u003e Motors up to size 311 include thermal contacts with manual reset, adhering to EN 60335-2-80 standards.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Aluminium casing and galvanized steel base frame make it suitable for coastal applications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaintenance-Free:\u003c\/strong\u003e Reliable operation with minimal upkeep required.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExtensive Accessories:\u003c\/strong\u003e A wide range of options available to enhance functionality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eTechnical Specification:\u003c\/strong\u003e EV - 4 pole 2 speed\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManuals \u0026amp; Guides:\u003c\/strong\u003e Systemair DHS Sileo 311EV Roof Fan AC Single Phase - 311mm\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064945570134,"sku":"246991","price":705.34,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/DHS_SILEO_001_4b0a9621-4441-4d40-b264-6c39acb97f2a.jpg?v=1765463665"},{"product_id":"sp-th-2000-mixvent-315mm-roof-mounted-fan","title":"S\u0026P TH-2000 MIXVENT 315mm Roof-Mounted Fan","description":"\n\u003cp\u003e\u003cstrong\u003eIntroducing Our Premium Roof Mounted Mixed Flow Fans\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEnhance your ventilation system with our robust range of roof-mounted mixed flow fans, designed for optimal extract operation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003eAvailable in models: 500, 800, 1300, and 2000.\u003c\/li\u003e\n    \u003cli\u003eDurable construction: Models 500 and 800 are made from high-strength injection moulded plastic, while 1300 and 2000 feature high-grade pressed sheet steel.\u003c\/li\u003e\n    \u003cli\u003eWeather-resistant: All metallic parts coated with black epoxy-polyester paint.\u003c\/li\u003e\n    \u003cli\u003eEasy maintenance: Motor and impeller casing removable with just 2 fixing clamps.\u003c\/li\u003e\n    \u003cli\u003eSafety first: Equipped with a bird guard and base cable gland entry point.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eMotor Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003eIP44 rated, Class F motors with thermal protection.\u003c\/li\u003e\n    \u003cli\u003eLong-lasting ball bearings greased for life.\u003c\/li\u003e\n    \u003cli\u003eElectrical supply: Single phase 230V-50Hz (Capacitor inside the wiring terminal box).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVersatile Operation:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStandard models function as extractors, with the option to convert TH-500, 800, and 800N models for supply air ventilation by rotating the motor and impeller casing 180º.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDownload Manuals \u0026amp; Guides:\u003c\/strong\u003e Access the \u003ca href=\"S\u0026amp;P_TH-MIXVENT_Datasheet.pdf\"\u003eS\u0026amp;P TH-MIXVENT Datasheet\u003c\/a\u003e for detailed information.\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064945668438,"sku":"5220003700","price":773.09,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/S_P-th-mixvent_c897de24-da09-4b74-9297-1f3c4bef8f05.jpg?v=1765463668"},{"product_id":"systemair-dhs-sileo-355e4-single-phase-roof-fan-355mm-ac","title":"Systemair DHS Sileo 355E4 Single Phase Roof Fan - 355mm AC","description":"\n\u003cp\u003e\u003cstrong\u003eIntroducing the DHS Sileo 355E4 Roof Fan\u003c\/strong\u003e, the perfect solution for applications demanding high air volumes at medium pressure while maintaining \u003cstrong\u003eexceptionally low noise levels\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing advanced \u003cstrong\u003e3D profiled impellers\u003c\/strong\u003e with backward curved blades and \u003cstrong\u003espeed-controllable external rotor motors\u003c\/strong\u003e, this fan is designed for optimal performance. The \u003cstrong\u003eintegrated thermal contacts\u003c\/strong\u003e ensure motor protection against overheating, complying with \u003cstrong\u003eEN 60335-2-80\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eCrafted from \u003cstrong\u003edurable aluminum casing\u003c\/strong\u003e and a \u003cstrong\u003egalvanized steel base frame\u003c\/strong\u003e, the DHS is ideal for \u003cstrong\u003ecoastal applications\u003c\/strong\u003e. Its impellers are made from high-performance composite material, utilizing \u003cstrong\u003ehighly efficient 3D fan blade profile technology\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003cbr\u003e\n✓ High efficiency\u003cbr\u003e\n✓ Speed-controllable\u003cbr\u003e\n✓ Integral thermal contacts\u003cbr\u003e\n✓ Excellent sound level\u003cbr\u003e\n✓ Extensive range of accessories\u003cbr\u003e\n✓ Maintenance-free and reliable\u003c\/p\u003e\n\n\u003cp\u003eUpgrade your ventilation system with the \u003cstrong\u003eSystemair DHS Sileo 355E4\u003c\/strong\u003e and experience unmatched performance!\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064945766742,"sku":"37766","price":864.09,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/DHS_SILEO_001_59a94f4e-7ffa-469f-b090-988ae35d898d.jpg?v=1765463669"},{"product_id":"systemair-dhs-sileo-450mm-three-phase-roof-fan-ac-model","title":"Systemair DHS Sileo 450mm Three-Phase Roof Fan - AC Model","description":"\n\u003cp\u003e\u003cstrong\u003eDiscover the Systemair DHS Sileo 450 Roof Fan\u003c\/strong\u003e – engineered for optimal performance and quiet operation. This fan features:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpeed Control:\u003c\/strong\u003e Easily adjustable speed settings for tailored airflow.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIntegral Thermal Contacts:\u003c\/strong\u003e Enhanced safety and reliability.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLow Sound Level:\u003c\/strong\u003e Enjoy a peaceful environment with minimal noise.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaintenance-Free:\u003c\/strong\u003e Designed for long-lasting reliability without the hassle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEquipped with backward curved blades and external rotor motors, the DHS models offer exceptional efficiency. Please note that for speed control with a frequency converter, a model with an all pole sine filter is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExplore the potential of your space with the Systemair DHS Sileo 450 Roof Fan!\u003c\/strong\u003e\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064945930582,"sku":"276525","price":951.82,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/DHS_SILEO_001_3132d68c-5c54-4b33-874b-65d5836af1ca.jpg?v=1765463671"},{"product_id":"systemair-dhs-sileo-400e4-single-phase-roof-fan-400mm-ac","title":"Systemair DHS Sileo 400E4 Single Phase Roof Fan - 400mm AC","description":"\n\u003cp\u003e\u003cstrong\u003eIntroducing the DHS Sileo Roof Fan:\u003c\/strong\u003e Perfect for applications demanding high air volumes at medium pressure while maintaining an incredibly low noise level.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHigh Efficiency:\u003c\/strong\u003e Optimized for superior performance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpeed-Controllable:\u003c\/strong\u003e Easily adjustable motor speeds for versatile use.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIntegral Thermal Contacts:\u003c\/strong\u003e Built-in protection against overheating for enhanced safety.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWhisper-Quiet Operation:\u003c\/strong\u003e Designed to minimize noise without sacrificing airflow.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExtensive Range of Accessories:\u003c\/strong\u003e Tailor your setup to meet specific needs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaintenance-Free:\u003c\/strong\u003e Reliable operation without the hassle of frequent upkeep.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eTechnical Specification:\u003c\/strong\u003e E4 - 4 pole (1440rpm)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIdeal for:\u003c\/strong\u003e Coastal applications with robust aluminum casing and galvanized steel base frame.\u003c\/p\u003e\n\u003cp\u003eExplore the \u003cstrong\u003eSystemair DHS Sileo 400E4 Roof Fan AC Single Phase - 400mm\u003c\/strong\u003e for a powerful, efficient, and quiet ventilation solution.\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064946061654,"sku":"36123","price":949.42,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/DHS_SILEO_001_7e56401e-18b8-4468-b3b9-53e4c058325f.jpg?v=1765463673"},{"product_id":"elta-clearflow-cf315-single-phase-ac-roof-fan-315mm","title":"Elta Clearflow CF315 Single Phase AC Roof Fan - 315mm","description":"\u003cp\u003e\u003cstrong\u003eIntroducing the Clearflow CF315 Roof Fan:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned for efficiency and durability, the \u003cstrong\u003e315mm standard size\u003c\/strong\u003e fan operates seamlessly in temperatures up to \u003cstrong\u003e+60°C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIts innovative design features \u003cstrong\u003ebackward curved impellers\u003c\/strong\u003e with three-dimensional profiled blades for optimal airflow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCan be mounted at angles of up to \u003cstrong\u003e30°\u003c\/strong\u003e for versatile installation on pitched roofs.\u003c\/li\u003e\n\u003cli\u003eRobust all-metal casing made from \u003cstrong\u003epregalvanised sheet steel\u003c\/strong\u003e ensures long-lasting performance.\u003c\/li\u003e\n\u003cli\u003eEasy access for cleaning and maintenance with a \u003cstrong\u003ewind band\u003c\/strong\u003e design.\u003c\/li\u003e\n\u003cli\u003eStandard \u003cstrong\u003ebird guard\u003c\/strong\u003e protects against wildlife damage.\u003c\/li\u003e\n\u003cli\u003eEquipped with a \u003cstrong\u003ewind guard\u003c\/strong\u003e to minimize noise and draughts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePerfect for external roof mounting where space is limited, the Clearflow CF315 is your go-to solution for effective ventilation.\u003c\/p\u003e\n\u003cp\u003eFor more details, check out our\u003cstrong\u003e Datasheet and Installation Guide\u003ca href=\"#\"\u003e\u003c\/a\u003e.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Datasheet.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC Datasheet \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Installation.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC  Installation\u003c\/a\u003e\u003c\/p\u003e","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064946389334,"sku":"CF315\/4-1AC","price":883.96,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/CF315-4-1AC.jpg?v=1765463674"},{"product_id":"systemair-dhs-400ds-sileo-3-phase-roof-fan-400mm","title":"Systemair DHS 400DS Sileo 3-Phase Roof Fan - 400mm","description":"\n\u003cp\u003e\u003cstrong\u003eDHS Sileo Roof Fan\u003c\/strong\u003e is your ideal solution for applications demanding high air volumes at medium pressure while maintaining an exceptionally low noise level. Designed with \u003cstrong\u003e3D profiled impellers\u003c\/strong\u003e featuring backward curved blades and \u003cstrong\u003eexternal rotor motors\u003c\/strong\u003e, this fan ensures optimal performance.\u003c\/p\u003e\n\n\u003cp\u003eKey Features:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpeed-controllable:\u003c\/strong\u003e Tailor the airflow to your needs with adjustable speed settings.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIntegral thermal contacts:\u003c\/strong\u003e Built-in safety features for reliable operation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLow sound level:\u003c\/strong\u003e Enjoy a quiet environment without sacrificing airflow.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaintenance-free:\u003c\/strong\u003e Designed for durability and hassle-free operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003ePerfect for applications that require \u003cstrong\u003ehigh air volumes\u003c\/strong\u003e at \u003cstrong\u003emedium pressure\u003c\/strong\u003e and \u003cstrong\u003every low noise levels\u003c\/strong\u003e. The DHS Sileo Roof Fan is backed by a \u003cstrong\u003e1 Year Manufacturer Warranty\u003c\/strong\u003e and features:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Systemair\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePhase:\u003c\/strong\u003e 3\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMotor Type:\u003c\/strong\u003e AC\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIP Rating:\u003c\/strong\u003e IP54\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Roof\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor detailed specifications, refer to the \u003cstrong\u003eSystemair DHS 400DS Sileo Roof Fan 3 Phase - 400mm\u003c\/strong\u003e manuals and guides.\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064946520406,"sku":"36121","price":917.85,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/DHS_SILEO_001_e1e7644b-c56d-451c-8a8c-a2e2f0a92f9f.jpg?v=1765463675"},{"product_id":"elta-clearflow-cf350-three-phase-ac-roof-fan-350mm","title":"Elta Clearflow CF350 Three-Phase AC Roof Fan - 350mm","description":"\u003cp\u003e\u003cstrong\u003eIntroducing the Clearflow CF350 Roof Fan\u003c\/strong\u003e - the perfect solution for efficient ventilation!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Size:\u003c\/strong\u003e 350mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Temperature Tolerance:\u003c\/strong\u003e Operates effectively at temperatures up to +60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation:\u003c\/strong\u003e Can be mounted at angles of up to 30°, ideal for pitched roofs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe \u003cstrong\u003eClearflow CF range\u003c\/strong\u003e features advanced backward curved impellers with three-dimensional profiled blades for optimal performance. Its robust all-metal casing, made from pregalvanised sheet steel, ensures durability and longevity.\u003c\/p\u003e\n\u003cp\u003eDesigned for easy maintenance, the wind band provides convenient access for cleaning. The fan includes a standard bird guard to protect against wildlife damage and a wind guard to minimize noise and draughts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUpgrade your ventilation system with the Clearflow CF350 Roof Fan!\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor more details, check out our\u003cstrong\u003e Datasheet and Installation Guide\u003ca href=\"#\"\u003e\u003c\/a\u003e.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Datasheet.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC Datasheet \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Installation.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC  Installation\u003c\/a\u003e\u003c\/p\u003e","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064946618710,"sku":"CF350\/4-3AC","price":975.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/CF350_4-3AC.jpg?v=1765463677"},{"product_id":"systemair-dhs-sileo-400e6-single-phase-roof-fan-400mm-ac","title":"Systemair DHS Sileo 400E6 Single Phase Roof Fan - 400mm AC","description":"\n\u003cp\u003e\u003cstrong\u003eIntroducing the DHS Sileo 400E6 Roof Fan\u003c\/strong\u003e – the perfect solution for high air volume applications that demand medium pressure and whisper-quiet operation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHigh Efficiency:\u003c\/strong\u003e Designed with 3D profiled impellers and backward curved blades for optimal performance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpeed-Controllable:\u003c\/strong\u003e Easily adjustable motor speed over voltage for customized airflow.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIntegral Thermal Contacts:\u003c\/strong\u003e Protects motors from overheating with manual reset options, compliant with EN 60335-2-80.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExcellent Sound Level:\u003c\/strong\u003e Operates at very low noise levels, perfect for noise-sensitive environments.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExtensive Range of Accessories:\u003c\/strong\u003e Versatile options to meet your specific needs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaintenance-Free \u0026amp; Reliable:\u003c\/strong\u003e Built to last with high-performance composite materials and galvanized steel construction.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eIdeal for coastal applications, the DHS Sileo 400E6 combines durability and efficiency in a sleek design. Upgrade your ventilation system today!\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064946782550,"sku":"37792","price":1029.11,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/DHS_SILEO_001_9c0a8717-b59e-49eb-9e1f-2cfad9af16ff.jpg?v=1765463679"},{"product_id":"sp-crht4-355-355mm-roof-mounted-fan","title":"S\u0026P CRHT\/4-355 355mm Roof-Mounted Fan","description":"\n\u003cp\u003e\u003cstrong\u003eIntroducing the S\u0026amp;P CRHT\/4-355 Roof Mounted Fan\u003c\/strong\u003e – the perfect solution for efficient ventilation!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVery Low Profile Design:\u003c\/strong\u003e Sleek and unobtrusive, ideal for any rooftop.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHorizontal Discharge:\u003c\/strong\u003e Ensures optimal airflow direction.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Bases made from galvanised sheet steel for long-lasting performance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCentrifugal Backward Curved Impeller:\u003c\/strong\u003e Maximizes efficiency and reduces noise.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExternal Rotor Motor:\u003c\/strong\u003e Enhances reliability and ease of maintenance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpun Aluminium Cowl:\u003c\/strong\u003e Lightweight yet robust design.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSafety Features:\u003c\/strong\u003e IP54 rating and Class F insulation with thermal overload protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your ventilation system with the S\u0026amp;P CRHT\/4-355 Roof Mounted Fan!\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064946848086,"sku":"5136913900","price":1024.42,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/5136912900.jpg?v=1765463679"},{"product_id":"elta-clearflow-cf350-single-phase-ac-roof-fan-350mm","title":"Elta Clearflow CF350 Single Phase AC Roof Fan - 350mm","description":"\u003cp\u003e\u003cstrong\u003eClearflow CF350 Roof Fan\u003c\/strong\u003e - the ideal solution for efficient ventilation with a standard size of \u003cstrong\u003e350mm\u003c\/strong\u003e. Designed to operate at temperatures up to \u003cstrong\u003e+60°C\u003c\/strong\u003e, this fan ensures reliable performance in various environments.\u003c\/p\u003e\n\u003cp\u003eFeaturing advanced \u003cstrong\u003ebackward curved impellers\u003c\/strong\u003e and \u003cstrong\u003ethree-dimensional profiled blades\u003c\/strong\u003e, the Clearflow CF range maximizes airflow efficiency. The fan can be easily \u003cstrong\u003emounted at angles of up to 30°\u003c\/strong\u003e, making it perfect for pitched roofs.\u003c\/p\u003e\n\u003cp\u003eConstructed with a robust \u003cstrong\u003eall-metal casing\u003c\/strong\u003e from pregalvanised sheet steel, this fan is built for longevity. The \u003cstrong\u003ewind band\u003c\/strong\u003e allows for easy access to facilitate cleaning and maintenance, while the \u003cstrong\u003ebird guard\u003c\/strong\u003e protects against wildlife damage. Additionally, the \u003cstrong\u003ewind guard\u003c\/strong\u003e minimizes noise and draughts entering the duct.\u003c\/p\u003e\n\u003cp\u003eOptimize your space with the Clearflow CF350 Roof Fan, designed for external mounting where space is at a premium. For more details, refer to the \u003cstrong\u003edatasheet\u003c\/strong\u003e and \u003cstrong\u003einstallation guide\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor more details, check out our\u003cstrong\u003e Datasheet and Installation Guide\u003ca href=\"#\"\u003e\u003c\/a\u003e.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Datasheet.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC Datasheet \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Installation.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC  Installation\u003c\/a\u003e\u003c\/p\u003e","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064946880854,"sku":"CF350\/4-1AC","price":973.47,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/CF350_4-1AC.jpg?v=1765463679"},{"product_id":"systemair-dhs-sileo-500mm-three-phase-ac-roof-fan","title":"Systemair DHS Sileo 500mm Three-Phase AC Roof Fan","description":"\n\u003cp\u003e\u003cstrong\u003eIntroducing the Systemair DHS Sileo 500 Roof Fan:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eExperience optimal airflow with our \u003cstrong\u003espeed-controllable\u003c\/strong\u003e roof fan, designed for versatility and efficiency. The \u003cstrong\u003eintegral thermal contacts\u003c\/strong\u003e ensure safety, while the \u003cstrong\u003elow sound level\u003c\/strong\u003e provides a quiet environment. Enjoy a \u003cstrong\u003emaintenance-free\u003c\/strong\u003e and \u003cstrong\u003ereliable\u003c\/strong\u003e performance thanks to the innovative backward curved blades and external rotor motors.\u003c\/p\u003e\n\u003cp\u003eFor enhanced control, use a frequency converter with an all-pole sine filter for smooth speed adjustments. Upgrade your ventilation system with the DHS Sileo 500 today!\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064946946390,"sku":"37770","price":1047.91,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/DHS_SILEO_001_4b77d5f6-3597-4b37-82cd-7a8f6d366f00.jpg?v=1765463680"},{"product_id":"elta-clearflow-cf400-three-phase-ac-roof-fan-400mm","title":"Elta Clearflow CF400 Three-Phase AC Roof Fan - 400mm","description":"\u003cp\u003e\u003cstrong\u003eIntroducing the Clearflow CF400 Roof Fan:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eExperience superior ventilation with our \u003cstrong\u003e400mm standard size\u003c\/strong\u003e fan, designed for optimal performance in temperatures up to \u003cstrong\u003e+60°C\u003c\/strong\u003e. Perfect for pitched roofs, it can be easily mounted at angles of up to \u003cstrong\u003e30°\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAdvanced backward curved impellers for efficient airflow\u003c\/li\u003e\n\u003cli\u003eRobust all-metal casing made from pregalvanised sheet steel\u003c\/li\u003e\n\u003cli\u003eEasy access wind band for hassle-free cleaning and maintenance\u003c\/li\u003e\n\u003cli\u003eStandard bird guard to protect against wildlife damage\u003c\/li\u003e\n\u003cli\u003eNoise-reducing wind guard to minimize drafts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIdeal for external roof mounting where space is limited, the Clearflow CF400 is your go-to solution for reliable and effective ventilation.\u003c\/p\u003e\n\u003cp\u003eFor more details, check out our\u003cstrong\u003e Datasheet and Installation Guide\u003ca href=\"#\"\u003e\u003c\/a\u003e.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Datasheet.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC Datasheet \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Installation.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC  Installation\u003c\/a\u003e\u003c\/p\u003e","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064947142998,"sku":"CF400\/4-3AC","price":1112.11,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/CF400_4-3AC.jpg?v=1765463682"},{"product_id":"systemair-dhs-sileo-450e6-single-phase-roof-fan-450mm-ac","title":"Systemair DHS Sileo 450E6 Single Phase Roof Fan - 450mm AC","description":"\n\u003cp\u003e\u003cstrong\u003eIntroducing the DHS Sileo 450E6 Roof Fan\u003c\/strong\u003e - the perfect solution for high air volume needs at medium pressure, all while maintaining \u003cstrong\u003every low noise levels\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing advanced \u003cstrong\u003e3D profiled impellers\u003c\/strong\u003e with backward curved blades and \u003cstrong\u003eexternal rotor motors\u003c\/strong\u003e, this fan is designed for optimal performance. 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The impellers are made from a high-performance composite material, utilizing \u003cstrong\u003ehighly efficient 3D fan blade profile technology\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003cbr\u003e\n✓ High efficiency\u003cbr\u003e\n✓ Speed-controllable\u003cbr\u003e\n✓ Integral thermal contacts\u003cbr\u003e\n✓ Excellent sound level\u003cbr\u003e\n✓ Extensive range of accessories\u003cbr\u003e\n✓ Maintenance-free and reliable\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTechnical Specification:\u003c\/strong\u003e E6 - 6 pole (720rpm)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManuals \u0026amp; Guides:\u003c\/strong\u003e Systemair DHS Sileo 450E6 Roof Fan AC Single Phase - 450mm\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064952353110,"sku":"37734","price":1094.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/DHS_SILEO_001_3de2fde1-b88b-4521-824f-2c242133269d.jpg?v=1765463684"},{"product_id":"sp-crht4-400-400mm-roof-mounted-ventilation-fan","title":"S\u0026P CRHT\/4-400 400mm Roof-Mounted Ventilation Fan","description":"\n\u003cp\u003e\u003cstrong\u003eDiscover our cutting-edge ventilation solution!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFeaturing a \u003cstrong\u003every low profile design\u003c\/strong\u003e, this product is perfect for tight spaces. The \u003cstrong\u003ehorizontal discharge\u003c\/strong\u003e ensures efficient airflow, while the bases are crafted from \u003cstrong\u003egalvanised sheet steel\u003c\/strong\u003e for durability.\u003c\/p\u003e\n\u003cp\u003eExperience superior performance with the \u003cstrong\u003ecentrifugal backward curved impeller\u003c\/strong\u003e and \u003cstrong\u003eexternal rotor motor\u003c\/strong\u003e, designed for optimal efficiency. The \u003cstrong\u003ecowl made from spun aluminium\u003c\/strong\u003e adds to its sleek aesthetics.\u003c\/p\u003e\n\u003cp\u003eWith an \u003cstrong\u003eIP54 rating\u003c\/strong\u003e, \u003cstrong\u003eClass F insulation\u003c\/strong\u003e, and safety \u003cstrong\u003ethermal overload protection\u003c\/strong\u003e, you can trust this product to deliver reliable performance in any environment.\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064957006166,"sku":"5136917200","price":1205.57,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/5136912900_18d6f239-e855-4a24-b9cf-68890458b96e.jpg?v=1765463685"},{"product_id":"elta-clearflow-cf400-single-phase-ac-roof-fan-400mm","title":"Elta Clearflow CF400 Single Phase AC Roof Fan - 400mm","description":"\u003cp\u003e\u003cstrong\u003eStandard Size:\u003c\/strong\u003e 400mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e Up to +60°C\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMounting Angle:\u003c\/strong\u003e Up to 30°\u003c\/p\u003e\n\u003cp\u003eIntroducing the \u003cstrong\u003eClearflow CF Range\u003c\/strong\u003e of vertical discharge centrifugal roof fans, designed with advanced backward curved impellers and three-dimensional profiled blades for optimal performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation:\u003c\/strong\u003e Easily mountable at angles of up to 30°, perfect for pitched roofs. The spigot is conveniently located on the underside for direct duct fitting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDesign:\u003c\/strong\u003e Crafted from durable pre-galvanised sheet steel, the all-metal fan casing ensures longevity. The wind band allows for easy cleaning and maintenance, while the external roof mounting is ideal for space-saving. Standard features include a bird guard to protect against wildlife and a wind guard to minimize noise and draughts.\u003c\/p\u003e\n\u003cp\u003eFor more details, check out our\u003cstrong\u003e Datasheet and Installation Guide\u003ca href=\"#\"\u003e\u003c\/a\u003e.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Datasheet.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC Datasheet \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Installation.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC  Installation\u003c\/a\u003e\u003c\/p\u003e","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064957137238,"sku":"CF400\/4-1AC","price":1114.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/CF400_4-1AC.jpg?v=1765463687"},{"product_id":"systemair-dhs-sileo-450ev-single-phase-roof-fan-450mm-ac","title":"Systemair DHS Sileo 450EV Single Phase Roof Fan - 450mm AC","description":"\n\u003cp\u003e\u003cstrong\u003eIntroducing the DHS Sileo 450EV Roof Fan\u003c\/strong\u003e – the perfect solution for applications demanding high air volumes at medium pressure while maintaining ultra-low noise levels.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing \u003cstrong\u003e3D profiled impellers\u003c\/strong\u003e with backward curved blades and \u003cstrong\u003eexternal rotor motors\u003c\/strong\u003e, this fan is designed for optimal performance. The motors are \u003cstrong\u003espeed controllable\u003c\/strong\u003e over voltage, allowing you to customize airflow as needed.\u003c\/p\u003e\n\n\u003cp\u003eSafety is a priority with integrated \u003cstrong\u003ethermal contacts\u003c\/strong\u003e to prevent overheating, compliant with EN 60335-2-80. Models up to size 311 come equipped with manual reset, while size 355 includes external leads for motor protection device connection.\u003c\/p\u003e\n\n\u003cp\u003eConstructed from \u003cstrong\u003edurable aluminum\u003c\/strong\u003e with a galvanized steel base frame, the DHS is suitable for \u003cstrong\u003ecoastal applications\u003c\/strong\u003e. The impellers are made from high-performance composite materials, utilizing advanced \u003cstrong\u003e3D fan blade profile technology\u003c\/strong\u003e for unmatched efficiency.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003eHigh efficiency\u003c\/li\u003e\n    \u003cli\u003eSpeed-controllable\u003c\/li\u003e\n    \u003cli\u003eIntegral thermal contacts\u003c\/li\u003e\n    \u003cli\u003eExcellent sound level\u003c\/li\u003e\n    \u003cli\u003eExtensive range of accessories\u003c\/li\u003e\n    \u003cli\u003eMaintenance-free and reliable\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eTechnical Specification:\u003c\/strong\u003e EV - 4 pole 2 speed\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManuals \u0026amp; Guides:\u003c\/strong\u003e Systemair DHS Sileo 450EV Roof Fan AC Single Phase - 450mm\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064957235542,"sku":"246927","price":1183.01,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/DHS_SILEO_001_3e6cf17c-4b28-4ea2-9c09-d96fc7001c78.jpg?v=1765463688"},{"product_id":"elta-clearflow-cfht350-three-phase-ac-roof-fan-350mm","title":"Elta Clearflow CFHT350 Three-Phase AC Roof Fan - 350mm","description":"\u003cp\u003e\u003cstrong\u003eStandard Size:\u003c\/strong\u003e 350mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e Up to +120°C\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMounting Angle:\u003c\/strong\u003e Up to 15°\u003c\/p\u003e\n\u003cp\u003eIntroducing our \u003cstrong\u003eRoof Mounted Centrifugal Fans\u003c\/strong\u003e, expertly designed to manage clean, grease-laden, or contaminated air while ensuring \u003cstrong\u003eeasy access for cleaning\u003c\/strong\u003e. Perfect for pitched roofs, these fans offer:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e All-metal fan casing made from pre-galvanised sheet steel for long-lasting performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient Design:\u003c\/strong\u003e Motors positioned outside the air stream to avoid contamination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Reduction:\u003c\/strong\u003e Equipped with a wind guard to minimize noise and draughts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Applications:\u003c\/strong\u003e Suitable for various environments, handling elevated temperatures and contaminated air.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more details, check out our\u003cstrong\u003e Datasheet and Installation Guide\u003ca href=\"#\"\u003e\u003c\/a\u003e.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Datasheet.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC Datasheet \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Installation.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC  Installation\u003c\/a\u003e\u003c\/p\u003e","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064957727062,"sku":"CFHT350\/4-3AC","price":1223.65,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/CFHT350-4-3AC.jpg?v=1765463689"},{"product_id":"systemair-dhs-500ds-sileo-3-phase-roof-fan-500mm","title":"Systemair DHS 500DS Sileo 3-Phase Roof Fan - 500mm","description":"\n\u003cp\u003e\u003cstrong\u003eDHS Sileo Roof Fan\u003c\/strong\u003e is the perfect solution for high air volume applications that demand medium pressure and ultra-quiet operation. 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Backed by a \u003cstrong\u003e1 Year Manufacturer's Warranty\u003c\/strong\u003e, the DHS Sileo Roof Fan is your reliable choice for effective ventilation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Systemair\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePhase:\u003c\/strong\u003e 3\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMotor Type:\u003c\/strong\u003e AC\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIP Rating:\u003c\/strong\u003e IP54\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Roof\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information, refer to the \u003cstrong\u003eSystemair DHS 500DS Sileo Roof Fan 3 Phase - 500mm\u003c\/strong\u003e manuals and guides.\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064957759830,"sku":"37770","price":1221.84,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/DHS_SILEO_001_2b75c65f-ddb0-4990-bfd6-8a68fff2d61d.jpg?v=1765463690"},{"product_id":"sp-crht4-450-450mm-roof-mounted-fan","title":"S\u0026P CRHT\/4-450 450mm Roof-Mounted Fan","description":"\n\u003cp\u003e\u003cstrong\u003eDiscover the ultimate in efficiency with our latest product!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVery low profile design\u003c\/strong\u003e for seamless integration into any space.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHorizontal discharge\u003c\/strong\u003e ensures optimal airflow direction.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDurable bases\u003c\/strong\u003e made from galvanised sheet steel for long-lasting performance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCentrifugal backward curved impeller\u003c\/strong\u003e for enhanced efficiency and reduced noise.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExternal rotor motor\u003c\/strong\u003e for improved cooling and reliability.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLightweight cowl\u003c\/strong\u003e crafted from spun aluminium for easy installation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIP54 rating\u003c\/strong\u003e with Class F insulation and safety thermal overload protection for peace of mind.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eUpgrade your space with our high-performance solution today!\u003c\/strong\u003e\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064957792598,"sku":"5136918000","price":1243.08,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/5136912900_47e5e392-6242-42e0-b662-cd55351f2577.jpg?v=1765463690"},{"product_id":"systemair-dhs-sileo-500e6-single-phase-roof-fan-500mm-ac","title":"Systemair DHS Sileo 500E6 Single Phase Roof Fan - 500mm AC","description":"\n\u003cp\u003e\u003cstrong\u003eIntroducing the DHS Sileo 500E6 Roof Fan\u003c\/strong\u003e - the ultimate solution for high air volume applications that demand medium pressure and whisper-quiet operation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHigh Efficiency:\u003c\/strong\u003e Designed for optimal performance with advanced 3D profiled impellers.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpeed-Controllable:\u003c\/strong\u003e Enjoy customizable airflow with voltage-controlled motors.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIntegral Thermal Contacts:\u003c\/strong\u003e Enhanced protection against overheating, compliant with EN 60335-2-80.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExcellent Sound Level:\u003c\/strong\u003e Operates at very low noise levels for a peaceful environment.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExtensive Range of Accessories:\u003c\/strong\u003e Tailor your fan with a variety of compatible add-ons.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaintenance-Free \u0026amp; Reliable:\u003c\/strong\u003e Built to last with high-performance composite materials.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWith a robust aluminum casing and galvanized steel base frame, the DHS Sileo is perfect for coastal applications. Upgrade your ventilation system today!\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064957956438,"sku":"37773","price":1243.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/DHS_SILEO_001_1e8cd84a-5ccc-4726-b891-981a4c5213bd.jpg?v=1765463692"},{"product_id":"elta-clearflow-cfht400-400mm-three-phase-ac-roof-fan","title":"Elta Clearflow CFHT400 400mm Three-Phase AC Roof Fan","description":"\u003cp\u003e\u003cstrong\u003eStandard Size:\u003c\/strong\u003e 400mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTemperature Resistance:\u003c\/strong\u003e Operates efficiently at temperatures up to +120°C.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Installation:\u003c\/strong\u003e Can be mounted at angles of up to 15°, ideal for pitched roofs.\u003c\/p\u003e\n\u003cp\u003eDiscover our \u003cstrong\u003eroof-mounted centrifugal fans\u003c\/strong\u003e, expertly designed to handle clean, grease-laden, or contaminated air while ensuring \u003cstrong\u003eeasy access for cleaning\u003c\/strong\u003e. With a robust all-metal casing made from pre-galvanised sheet steel, these fans guarantee durability and long-lasting performance.\u003c\/p\u003e\n\u003cp\u003eThe innovative design features motors positioned out of the air stream, protecting them from contaminants, making this range perfect for various applications. A standard wind guard minimizes noise and draughts, and it's easily removable for maintenance.\u003c\/p\u003e\n\u003cp\u003eUpgrade your ventilation system with our reliable fans – engineered for efficiency and ease of use!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFor more details, check out our\u003cstrong\u003e Datasheet and Installation Guide\u003ca href=\"#\"\u003e\u003c\/a\u003e.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Datasheet.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC Datasheet \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Installation.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC  Installation\u003c\/a\u003e\u003c\/p\u003e","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064958054742,"sku":"CFHT400\/4-3AC","price":1246.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/CFHT400_4-3AC.jpg?v=1765463693"},{"product_id":"systemair-dhs-sileo-560mm-three-phase-roof-fan-ac-model","title":"Systemair DHS Sileo 560mm Three-Phase Roof Fan - AC Model","description":"\n\u003cp\u003e\u003cstrong\u003eIntroducing the Systemair DHS Sileo 560 Roof Fan:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eExperience superior ventilation with our \u003cstrong\u003espeed-controllable\u003c\/strong\u003e roof fan, designed for optimal performance and versatility. The \u003cstrong\u003eintegral thermal contacts\u003c\/strong\u003e ensure safety, while the \u003cstrong\u003elow sound level\u003c\/strong\u003e guarantees a quiet environment. Enjoy a \u003cstrong\u003emaintenance-free\u003c\/strong\u003e solution that is both \u003cstrong\u003ereliable\u003c\/strong\u003e and efficient.\u003c\/p\u003e\n\u003cp\u003eFeaturing advanced impellers with backward curved blades and external rotor motors, this fan allows for precise speed control over voltage. For enhanced performance, use with a frequency converter equipped with an all-pole sine filter.\u003c\/p\u003e\n\u003cp\u003eExplore the full potential of your ventilation system with the \u003cstrong\u003eSystemair DHS Sileo 560 Roof Fan\u003c\/strong\u003e.\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064958120278,"sku":"36130","price":1504.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/DHS710_e6f37c7a-7864-404c-8d51-fc45ed177318.jpg?v=1765463693"},{"product_id":"elta-clearflow-cfht450-three-phase-ac-roof-fan-450mm","title":"Elta Clearflow CFHT450 Three-Phase AC Roof Fan - 450mm","description":"\u003cp\u003e\u003cstrong\u003eIntroducing the Elta Clearflow CFHT450 Roof Fan\u003c\/strong\u003e, a powerful solution for your ventilation needs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Size:\u003c\/strong\u003e 450mm for versatile installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Temperature Resistance:\u003c\/strong\u003e Operates efficiently at temperatures up to +120°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Mounting:\u003c\/strong\u003e Can be installed at angles of up to 15°, perfect for pitched roofs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Design:\u003c\/strong\u003e All-metal casing made from pregalvanised sheet steel ensures long-lasting performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Maintenance:\u003c\/strong\u003e Wind band designed for quick access to facilitate cleaning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Reduction:\u003c\/strong\u003e Equipped with a wind guard to minimize noise and prevent draughts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis range is ideal for handling clean, grease-laden, or contaminated air, making it suitable for a variety of applications. Upgrade your ventilation system with the Elta Clearflow CFHT450 Roof Fan today!\u003c\/p\u003e\n\u003cp\u003eFor more details, check out our\u003cstrong\u003e Datasheet and Installation Guide\u003ca href=\"#\"\u003e\u003c\/a\u003e.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Datasheet.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC Datasheet \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Installation.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC  Installation\u003c\/a\u003e\u003c\/p\u003e","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064958742870,"sku":"CFHT450\/4-3AC","price":1614.04,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/CFHT450_4-3AC.jpg?v=1765463697"},{"product_id":"elta-clearflow-cf450-single-phase-ac-roof-fan-450mm","title":"Elta Clearflow CF450 Single Phase AC Roof Fan - 450mm","description":"\u003cp\u003e\u003cstrong\u003eIntroducing the Clearflow CF450 Roof Fan:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eExperience superior ventilation with our \u003cstrong\u003estandard size 450mm\u003c\/strong\u003e centrifugal roof fan, designed for efficiency and durability.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Temperature Tolerance:\u003c\/strong\u003e Operates seamlessly at temperatures up to \u003cstrong\u003e+60°C\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation:\u003c\/strong\u003e Easily mounts at angles of up to \u003cstrong\u003e30°\u003c\/strong\u003e, perfect for pitched roofs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Design:\u003c\/strong\u003e Constructed from \u003cstrong\u003epregalvanised sheet steel\u003c\/strong\u003e for lasting performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Maintenance:\u003c\/strong\u003e Wind band design allows for quick access for cleaning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWildlife Protection:\u003c\/strong\u003e Comes with a \u003cstrong\u003ebird guard\u003c\/strong\u003e to prevent damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Reduction:\u003c\/strong\u003e Equipped with a \u003cstrong\u003ewind guard\u003c\/strong\u003e to minimize noise and draughts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your ventilation system with the \u003cstrong\u003eClearflow CF450 Roof Fan\u003c\/strong\u003e—where efficiency meets reliability!\u003c\/p\u003e\n\u003cp\u003eFor more details, check out our\u003cstrong\u003e Datasheet and Installation Guide\u003ca href=\"#\"\u003e\u003c\/a\u003e.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Datasheet.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC Datasheet \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Installation.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC  Installation\u003c\/a\u003e\u003c\/p\u003e","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064958808406,"sku":"CF450\/4-1AC","price":1635.61,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/CF450_4-1AC.jpg?v=1765463698"},{"product_id":"elta-cf450-three-phase-ac-roof-fan-450mm","title":"Elta CF450 Three-Phase AC Roof Fan - 450mm","description":"\u003cp\u003e\u003cstrong\u003eIntroducing the Clearflow CF450 Roof Fan\u003c\/strong\u003e - your ultimate solution for efficient ventilation!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Size:\u003c\/strong\u003e 450mm for versatile applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Resilience:\u003c\/strong\u003e Operates in temperatures up to +60°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation:\u003c\/strong\u003e Can be mounted at angles of up to 30°, perfect for pitched roofs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe \u003cstrong\u003eClearflow CF range\u003c\/strong\u003e features advanced backward curved impellers with three-dimensional profiled blades, ensuring optimal airflow and performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Design:\u003c\/strong\u003e Constructed from pre-galvanised sheet steel, the all-metal fan casing guarantees durability. The wind band allows for easy access, facilitating cleaning and maintenance.\u003c\/p\u003e\n\u003cp\u003eWith a \u003cstrong\u003ebird guard\u003c\/strong\u003e to protect against wildlife and a \u003cstrong\u003ewind guard\u003c\/strong\u003e to minimize noise and draughts, this fan is designed for both efficiency and longevity. Ideal for external roof mounting where space is limited!\u003c\/p\u003e\n\u003cp\u003eFor more details, check out our\u003cstrong\u003e Datasheet and Installation Guide\u003ca href=\"#\"\u003e\u003c\/a\u003e.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Datasheet.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC Datasheet \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Installation.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC  Installation\u003c\/a\u003e\u003c\/p\u003e","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064958873942,"sku":"CF450\/4-3AC","price":1621.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/CF450_4-3AC.jpg?v=1765463698"},{"product_id":"elta-clearflow-cfht500-three-phase-ac-roof-fan-500mm","title":"Elta Clearflow CFHT500 Three-Phase AC Roof Fan - 500mm","description":"\u003cp\u003e\u003cstrong\u003eStandard Size:\u003c\/strong\u003e 500mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTemperature Resistance:\u003c\/strong\u003e Operates at temperatures up to +120°C\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Flexibility:\u003c\/strong\u003e Can be mounted at angles of up to 15° for easy integration with pitched roofs\u003c\/p\u003e\n\u003cp\u003eIntroducing our \u003cstrong\u003eRoof Mounted Centrifugal Fans\u003c\/strong\u003e, expertly designed to handle clean, grease-laden, or contaminated air. These fans ensure \u003cstrong\u003eeasy access for cleaning\u003c\/strong\u003e and maintenance, making them the ideal choice for various applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDurable Design:\u003c\/strong\u003e Crafted with an all-metal casing from pre-galvanized sheet steel, our fans offer a robust and long-lasting construction. The wind band allows for straightforward cleaning, while the motor's placement keeps it free from contaminants in the airflow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNoise Reduction:\u003c\/strong\u003e Equipped with a standard wind guard to minimize noise and prevent draughts from entering the duct, our fans are designed for maximum efficiency.\u003c\/p\u003e\n\u003cp\u003eFor more details, check out our\u003cstrong\u003e Datasheet and Installation Guide\u003ca href=\"#\"\u003e\u003c\/a\u003e.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Datasheet.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC Datasheet \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Installation.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC  Installation\u003c\/a\u003e\u003c\/p\u003e","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064959234390,"sku":"CFHT500\/4-3AC","price":1750.93,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/CFHT500_4-3AC.jpg?v=1765463700"},{"product_id":"systemair-dhs-sileo-500e4-single-phase-roof-fan-500mm-ac","title":"Systemair DHS Sileo 500E4 Single Phase Roof Fan - 500mm AC","description":"\n\u003cp\u003e\u003cstrong\u003eIntroducing the DHS Sileo Roof Fan\u003c\/strong\u003e – the perfect solution for applications demanding high air volumes at medium pressure, all while maintaining exceptionally low noise levels.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing advanced \u003cstrong\u003e3D profiled impellers\u003c\/strong\u003e with backward curved blades and \u003cstrong\u003eexternal rotor motors\u003c\/strong\u003e, this fan ensures optimal performance. The motors are \u003cstrong\u003espeed controllable\u003c\/strong\u003e over the voltage, allowing for tailored airflow to meet your specific needs.\u003c\/p\u003e\n\n\u003cp\u003eSafety is paramount; the motors up to size 311 include \u003cstrong\u003eintegrated thermal contacts\u003c\/strong\u003e with manual reset, compliant with EN 60335-2-80, while sizes 355 and above come with external leads for connection to a motor protection device.\u003c\/p\u003e\n\n\u003cp\u003eConstructed from \u003cstrong\u003edurable aluminum casing\u003c\/strong\u003e and a \u003cstrong\u003egalvanized steel base frame\u003c\/strong\u003e, the DHS Sileo is designed for \u003cstrong\u003ecoastal applications\u003c\/strong\u003e. The impellers are made from \u003cstrong\u003ehigh-performance composite material\u003c\/strong\u003e utilizing cutting-edge 3D fan blade profile technology for enhanced efficiency.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003cbr\u003e\n✓ High efficiency\u003cbr\u003e\n✓ Speed-controllable\u003cbr\u003e\n✓ Integral thermal contacts\u003cbr\u003e\n✓ Excellent sound level\u003cbr\u003e\n✓ Extensive range of accessories\u003cbr\u003e\n✓ Maintenance-free and reliable\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTechnical Specification:\u003c\/strong\u003e E4 - 4 pole (1440rpm)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManuals \u0026amp; Guides:\u003c\/strong\u003e Systemair DHS Sileo 500E4 Roof Fan AC Single Phase - 500mm\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064959365462,"sku":"37892","price":1662.23,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/DHS_SILEO_001_3375091d-9f0c-4912-84e8-c672e53aee07.jpg?v=1765463702"},{"product_id":"systemair-dhs-sileo-630mm-three-phase-roof-fan-ac-model","title":"Systemair DHS Sileo 630mm Three-Phase Roof Fan - AC Model","description":"\n\u003cp\u003e\u003cstrong\u003eDiscover the Systemair DHS Sileo 630 Roof Fan\u003c\/strong\u003e - the perfect blend of performance and reliability. This fan features:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpeed Control:\u003c\/strong\u003e Easily adjustable speed settings for optimal airflow.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIntegral Thermal Contacts:\u003c\/strong\u003e Enhanced safety and protection for long-lasting use.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLow Sound Level:\u003c\/strong\u003e Operates quietly, ensuring a comfortable environment.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaintenance-Free:\u003c\/strong\u003e Enjoy hassle-free operation with dependable performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned with backward curved blades and external rotor motors, the DHS models are engineered for efficiency. For speed control using a frequency converter, ensure to select a model with an all-pole sine filter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExplore the full potential of your ventilation system with the DHS Sileo 630!\u003c\/strong\u003e\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064959463766,"sku":"37782","price":1864.78,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/DHS710_1ee5efcf-7ad9-4196-9094-0661830ab27d.jpg?v=1765463704"},{"product_id":"systemair-dhs-560ds-sileo-3-phase-roof-fan-560mm","title":"Systemair DHS 560DS Sileo 3-Phase Roof Fan - 560mm","description":"\n\u003cp\u003e\u003cstrong\u003eDHS Sileo Roof Fan\u003c\/strong\u003e is the perfect solution for applications demanding high air volumes, medium pressure, and ultra-low noise levels. Featuring \u003cstrong\u003e3D profiled impellers\u003c\/strong\u003e with backward curved blades and \u003cstrong\u003eexternal rotor motors\u003c\/strong\u003e, this fan is designed for optimal performance.\u003c\/p\u003e\n\n\u003cp\u003eKey features include:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHigh Efficiency:\u003c\/strong\u003e Engineered for superior airflow.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpeed-Controllable:\u003c\/strong\u003e Easily adjust speed with voltage control.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIntegral Thermal Contacts:\u003c\/strong\u003e Enhanced safety and reliability.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExcellent Sound Level:\u003c\/strong\u003e Operates quietly for a comfortable environment.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExtensive Range of Accessories:\u003c\/strong\u003e Tailor your setup to your needs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaintenance-Free:\u003c\/strong\u003e Enjoy hassle-free operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eIdeal for applications requiring \u003cstrong\u003ehigh air volumes\u003c\/strong\u003e at \u003cstrong\u003emedium pressure\u003c\/strong\u003e and very low noise levels, the DHS Sileo Roof Fan is a reliable choice for any roof mounting needs.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Systemair\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Manufacturer's\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePhase:\u003c\/strong\u003e 3\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMotor Type:\u003c\/strong\u003e AC\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIP Rating:\u003c\/strong\u003e IP54\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Roof\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eExplore the \u003cstrong\u003eSystemair DHS 560DS Sileo Roof Fan\u003c\/strong\u003e today to enhance your ventilation system!\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064959594838,"sku":"36130","price":1746.06,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/DHS_560_710_PRODUCT_ACCESSORIES_PHOTO.jpg?v=1765463705"},{"product_id":"elta-clearflow-cf500-500mm-three-phase-ac-roof-fan","title":"Elta Clearflow CF500 500mm Three-Phase AC Roof Fan","description":"\u003cp\u003e\u003cstrong\u003eIntroducing the Clearflow CF500 Roof Fan:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned for efficiency and durability, this \u003cstrong\u003e500mm vertical discharge centrifugal roof fan\u003c\/strong\u003e is perfect for various 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Protection:\u003c\/strong\u003e Comes with a bird guard to prevent damage from animals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOptimize your ventilation system with the reliable and efficient \u003cstrong\u003eClearflow CF500 Roof Fan\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor more details, check out our\u003cstrong\u003e Datasheet and Installation Guide\u003ca href=\"#\"\u003e\u003c\/a\u003e.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Datasheet.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC Datasheet \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Installation.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC  Installation\u003c\/a\u003e\u003c\/p\u003e","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064959627606,"sku":"CF500\/4-3AC","price":1763.09,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/CF500_4-3AC.jpg?v=1765463705"},{"product_id":"vent-axia-euroseries-esr71034-three-phase-roof-fan-710mm","title":"Vent Axia EuroSeries ESR71034 Three-Phase Roof Fan - 710mm","description":"\n\u003cp\u003e\u003cstrong\u003eIntroducing the EuroSeries® ESR Roof Fan:\u003c\/strong\u003e a robust solution for effective cooling in Data Centres and Warehouses.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003eCowl \u0026amp; base made from \u003cstrong\u003erecyclable polymeric material\u003c\/strong\u003e for sustainability.\u003c\/li\u003e\n    \u003cli\u003eAll sizes are \u003cstrong\u003eUV resistant\u003c\/strong\u003e to ensure longevity.\u003c\/li\u003e\n    \u003cli\u003eIP54 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Designed for both \u003cstrong\u003eflat and inclined roofs\u003c\/strong\u003e (max. angle 30°).\u003c\/p\u003e\n\n\u003cp\u003eExperience efficient cooling with the EuroSeries® ESR Roof Fan, where durability meets performance!\u003c\/p\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064960119126,"sku":"ESR71034","price":2058.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/ESR71034.jpg?v=1765463710"},{"product_id":"elta-clearflow-cfht560-three-phase-ac-roof-fan-560mm","title":"Elta Clearflow CFHT560 Three-Phase AC Roof Fan - 560mm","description":"\u003cp\u003e\u003cstrong\u003eStandard Size:\u003c\/strong\u003e 560mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e Suitable for temperatures up to +120°C\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMounting Angle:\u003c\/strong\u003e Can be installed at angles up to 15°\u003c\/p\u003e\n\u003cp\u003eIntroducing our \u003cstrong\u003eRoof Mounted Centrifugal Fans\u003c\/strong\u003e, expertly designed to handle clean, grease-laden, or contaminated air while ensuring easy access for cleaning.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation:\u003c\/strong\u003e These fans can be mounted directly on pitched roofs, allowing for versatility in various settings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDurable Design:\u003c\/strong\u003e Constructed from pre-galvanised sheet steel, the all-metal fan casing guarantees long-lasting performance. The wind band allows for effortless cleaning and maintenance, while motors are strategically placed outside the air stream to avoid contamination.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVersatile Applications:\u003c\/strong\u003e Ideal for a range of environments, these fans effectively manage air quality even at elevated temperatures up to 120°C. A standard wind guard minimizes noise and draughts, ensuring a comfortable atmosphere.\u003c\/p\u003e\n\u003cp\u003eFor more details, check out our\u003cstrong\u003e Datasheet and Installation Guide\u003ca href=\"#\"\u003e\u003c\/a\u003e.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Datasheet.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC Datasheet \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Installation.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC  Installation\u003c\/a\u003e\u003c\/p\u003e","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064960315734,"sku":"CFHT560\/4-3AC","price":2256.91,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/CFHT560_4-3AC.jpg?v=1765463712"},{"product_id":"sp-crht4-500-500mm-roof-mounted-fan","title":"S\u0026P CRHT\/4-500 500mm Roof-Mounted Fan","description":"\n\u003cp\u003e\u003cstrong\u003eDiscover our innovative ventilation solution!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFeaturing a \u003cstrong\u003every low profile design\u003c\/strong\u003e and \u003cstrong\u003ehorizontal discharge\u003c\/strong\u003e, this unit seamlessly integrates into any space.\u003c\/p\u003e\n\u003cp\u003eCrafted from \u003cstrong\u003egalvanised sheet steel\u003c\/strong\u003e, the durable bases ensure long-lasting performance. 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With a robust \u003cstrong\u003eall-metal fan casing\u003c\/strong\u003e made from pre-galvanised sheet steel, these fans ensure \u003cstrong\u003edurability\u003c\/strong\u003e and \u003cstrong\u003eeasy maintenance\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe innovative design features a \u003cstrong\u003eremovable wind band\u003c\/strong\u003e for effortless cleaning, while the motors are strategically placed out of the air stream to avoid contamination. Perfect for a variety of applications, these fans are equipped with a \u003cstrong\u003estandard wind guard\u003c\/strong\u003e to minimize noise and draughts.\u003c\/p\u003e\n\u003cp\u003eUpgrade your ventilation system with our \u003cstrong\u003eElta Clearflow CFHT630 Roof Fan\u003c\/strong\u003e for reliable performance and longevity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGuides \u0026amp; Manuals:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Datasheet.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC Datasheet \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/Elta_Clearflow_Roof_Fan_Single_Phase_AC_Installation.pdf?v=1766053993\"\u003eElta Clearflow CFHT Roof Fan Three Phase AC  Installation\u003c\/a\u003e\u003c\/p\u003e","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064960708950,"sku":"CFHT630\/4-3AC","price":2339.05,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/CFHT630_4-3AC.jpg?v=1765463714"},{"product_id":"sp-crht4-560-560mm-roof-mounted-fan","title":"S\u0026P CRHT\/4-560 560mm Roof-Mounted Fan","description":"\n\u003cp\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVery Low Profile Design:\u003c\/strong\u003e Perfect for discreet installation in tight spaces.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHorizontal Discharge:\u003c\/strong\u003e Efficient airflow direction for optimal performance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Bases made from galvanised sheet steel for long-lasting use.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCentrifugal Backward Curved Impeller:\u003c\/strong\u003e Enhances airflow efficiency and reduces noise.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExternal Rotor Motor:\u003c\/strong\u003e Ensures reliable operation and energy efficiency.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpun Aluminium Cowl:\u003c\/strong\u003e Lightweight yet sturdy, providing sleek aesthetics.\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Ducting Supplies","offers":[{"title":"Default Title","offer_id":52064960905558,"sku":"5136980000","price":2552.61,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/5703\/2022\/files\/5136912900_3af98cf2-af1a-4bbe-ab8a-4c5fff4d85c0.jpg?v=1765463716"},{"product_id":"systemair-dhs-sileo-710mm-three-phase-roof-fan-ac-model","title":"Systemair DHS Sileo 710mm Three-Phase Roof Fan - AC Model","description":"\n\u003cp\u003e\u003cstrong\u003eExperience Unmatched Performance with the DHS Sileo 710 Roof Fan!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned for efficiency and reliability, the DHS models feature:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpeed Control:\u003c\/strong\u003e Easily adjust the fan speed to suit your needs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIntegral Thermal Contacts:\u003c\/strong\u003e Ensure optimal safety and performance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLow Sound Level:\u003c\/strong\u003e Enjoy a quieter environment without compromising airflow.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaintenance-Free:\u003c\/strong\u003e Built for durability, providing you with a hassle-free experience.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEquipped with backward curved blades and external rotor motors, the DHS roof fans offer exceptional airflow management. 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