{"product_id":"clearflow-cf-roof-mounted-fan","title":"Elta Clearflow CF Roof Mounted Fan","description":"\u003ch2\u003eClearflow CF Roof Mounted Discharge Centrifugal Fan\u003c\/h2\u003e\n\u003cp\u003eThe Clearflow CF is a vertical discharge centrifugal roof fan designed for commercial plus industrial extract where you want odours and discharge air projected away from occupied areas. It combines an all metal weather resistant casing with an advanced backward curved impeller to deliver strong performance with minimal installation fuss.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSelect models are available for next day delivery.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy Clearflow CF is specified\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVertical discharge:\u003c\/strong\u003e helps throw exhaust air upwards to reduce nuisance odours at roof level\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple roof installation:\u003c\/strong\u003e can be mounted on flat roofs plus pitched roofs up to a 30° angle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace saving:\u003c\/strong\u003e roof mounting keeps plant out of internal areas where space is limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient centrifugal impeller:\u003c\/strong\u003e backward curved design with profiled blades to reduce losses and improve efficiency at the duty point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeather focused details:\u003c\/strong\u003e wind guard fitted as standard to help reduce noise plus limit draughts entering the duct\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWildlife protection:\u003c\/strong\u003e bird guard fitted as standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRange overview\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes:\u003c\/strong\u003e 5 standard sizes from 315mm to 500mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir volume flow:\u003c\/strong\u003e up to 2.66 m³\/s depending on model\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatic pressure:\u003c\/strong\u003e up to 618 Pa depending on model\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor type:\u003c\/strong\u003e AC external rotor motor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuild quality and components\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCasing:\u003c\/strong\u003e robust all metal construction manufactured from pre galvanised sheet steel for long life on exposed roof locations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpeller:\u003c\/strong\u003e free running impeller with 7 backward curved fluted blades made from high performance composite material for high efficiency plus lower acoustic power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance access:\u003c\/strong\u003e wind guard is easily removable to support cleaning and periodic inspection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation notes that matter on site\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct connection:\u003c\/strong\u003e the spigot sits on the underside of the unit so it can connect directly to the main duct run\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting angle:\u003c\/strong\u003e suitable for roof pitches up to 30° when installed correctly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eServicing:\u003c\/strong\u003e plan access for future cleaning and annual inspection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpeed control and setup\u003c\/h3\u003e\n\u003cp\u003eWhere variable airflow is required, Clearflow CF can be paired with transformer voltage controllers to provide five speed step control. Reducing fan speed can lower energy use and also reduce the cost of conditioning replacement air.\u003c\/p\u003e\n\u003ch3\u003eTypical applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCommercial kitchens and catering\u003c\/li\u003e\n\u003cli\u003eHospitals and healthcare buildings\u003c\/li\u003e\n\u003cli\u003eBakeries\u003c\/li\u003e\n\u003cli\u003eIndustrial plus commercial extract systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSelection tip:\u003c\/strong\u003e choose the fan size to match your roof curb and duct diameter then confirm the duty point using the performance data for airflow and static pressure. If the project involves higher temperatures or unusual conditions, confirm limits using the installation guidance and the technical data sheet before final specification.\u003c\/p\u003e\n\u003cdiv class=\"product-description\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0648\/4597\/1631\/files\/download-datasheets-banner.png?v=1760521797\"\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\" style=\"width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 20.4379%;\"\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0648\/4597\/1631\/files\/Clearflow-CF.pdf?v=1770370535\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0648\/4597\/1631\/files\/pdf-download-icon.png?v=1760521798\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0648\/4151\/5237\/files\/Acoustic_Mat_1.pdf?v=1709633062\" title=\"ODE Starflex Loft Roll (100mm \u0026amp; 200mm)\"\u003e\u003c\/a\u003e\u003ca title=\"Lunaflex Ductwrap Data Sheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0648\/4151\/5237\/files\/epd-certificate-glasswool-44_1.pdf?v=1709632546\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0648\/4151\/5237\/files\/ODE_Duct-wrap_Datasheet.pdf?v=1709630634\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 78.1023%;\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong data-end=\"4082\" data-start=\"4031\"\u003eProduct Data, Performance \u0026amp; Dimension Sheet\u003c\/strong\u003e\u003cbr data-end=\"4085\" data-start=\"4082\"\u003ePerformance curves plus electrical data plus sound data plus dimensional information for selecting the correct Clearflow CF model. Includes product coding and accessories for accurate specification. Click here to download the product data, performance and dimension sheet. \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0648\/4597\/1631\/files\/Clearflow-CF.pdf?v=1770370535\"\u003e\u003cstrong\u003eClick here to download the full data, performance and dimension sheet.\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 20.4379%;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0648\/4597\/1631\/files\/Clearflow-CF-IM.pdf?v=1770370534\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0648\/4597\/1631\/files\/pdf-download-icon.png?v=1760521798\"\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.1023%;\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong data-end=\"4444\" data-start=\"4398\"\u003eInstallation, Maintenance \u0026amp; User Guide\u003c\/strong\u003e\u003cbr data-end=\"4447\" data-start=\"4444\"\u003eRoof mounting guidance, wiring references, start up checks plus the recommended maintenance routine for Clearflow CF. Includes key notes on roof pitch limits, isolation requirements plus annual inspection steps. Click here to download the installation, maintenance and user guide. \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0648\/4597\/1631\/files\/Clearflow-CF-IM.pdf?v=1770370534\"\u003e\u003cstrong\u003eClick here to download the full installation, maintenance and user guide.\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003eLooking to specify or purchase?\u003c\/strong\u003e \u003ca href=\"https:\/\/buyventilation.co.uk\/collections\/heat-recovery-units\"\u003e\u003cstrong\u003eExplore our full range of heat recovery ventilation units\u003c\/strong\u003e\u003c\/a\u003e or contact Buy Ventilation for expert guidance on selecting the right system for your project.\u003c\/p\u003e\n\u003c!-- Sources: :contentReference[oaicite:0]{index=0} --\u003e","brand":"BuyVentilation","offers":[{"title":"315mm \/ AC 4 Pole Single Phase","offer_id":56315806318978,"sku":null,"price":840.65,"currency_code":"GBP","in_stock":true},{"title":"350mm \/ AC 4 Pole Single Phase","offer_id":56462100922754,"sku":null,"price":946.05,"currency_code":"GBP","in_stock":true},{"title":"350mm \/ AC 4 Pole Three Phase","offer_id":56462100955522,"sku":null,"price":929.05,"currency_code":"GBP","in_stock":true},{"title":"400mm \/ AC 4 Pole Single Phase","offer_id":56462100988290,"sku":null,"price":1063.35,"currency_code":"GBP","in_stock":true},{"title":"400mm \/ AC 4 Pole Three Phase","offer_id":56462101021058,"sku":null,"price":1061.65,"currency_code":"GBP","in_stock":true},{"title":"450mm \/ AC 4 Pole Single Phase","offer_id":56462101053826,"sku":null,"price":1587.8,"currency_code":"GBP","in_stock":true},{"title":"450mm \/ AC 4 Pole Three Phase","offer_id":56462101086594,"sku":null,"price":1553.8,"currency_code":"GBP","in_stock":true},{"title":"500mm \/ AC 4 Pole Three Phase","offer_id":56462101152130,"sku":null,"price":1692.35,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0648\/4597\/1631\/files\/clearflow_cf_01.png?v=1770370454","url":"https:\/\/buyventilation.co.uk\/products\/clearflow-cf-roof-mounted-fan","provider":"Buy Ventilation","version":"1.0","type":"link"}