{"title":"S\u0026P Fans","description":"","products":[{"product_id":"s-p-cvat-acoustic-kitchen-fan-inverter-kit-cvat-4-1400-250-nd-pack-2","title":"S\u0026P CVAT Acoustic Kitchen Fan \u0026 Inverter Kit","description":"\u003cp data-start=\"380\" data-end=\"810\"\u003eThe S\u0026amp;P CVAT Acoustic Kitchen Fan \u0026amp; Inverter Kit is a \u003cstrong data-start=\"434\" data-end=\"471\"\u003ecommercial‑grade duct fan package\u003c\/strong\u003e designed primarily for \u003cstrong data-start=\"495\" data-end=\"545\"\u003ekitchen canopy extract and ventilation systems\u003c\/strong\u003e. It combines a high‑performance \u003cstrong data-start=\"578\" data-end=\"607\"\u003eCVAT acoustic cabinet fan\u003c\/strong\u003e with an \u003cstrong data-start=\"616\" data-end=\"651\"\u003einverter (VFD) speed controller\u003c\/strong\u003e, offering plug‑and‑play variable speed ventilation that’s quieter and more efficient than traditional single‑speed fans. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1th6oom\" data-start=\"812\" data-end=\"845\"\u003e\u003cstrong data-start=\"816\" data-end=\"843\"\u003eMaterial \u0026amp; Construction\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"846\" data-end=\"1268\"\u003e• \u003cstrong data-start=\"848\" data-end=\"876\"\u003eGalvanised steel housing\u003c\/strong\u003e with aluminium profile edges — robust and corrosion‑resistant. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"977\" data-end=\"980\"\u003e• \u003cstrong data-start=\"982\" data-end=\"1018\"\u003eDouble thickness acoustic panels\u003c\/strong\u003e internally lined with fire‑proof insulation to reduce operational noise. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1129\" data-end=\"1132\"\u003e• \u003cstrong data-start=\"1134\" data-end=\"1174\"\u003eBackward‑curved centrifugal impeller\u003c\/strong\u003e — dynamically balanced for smooth, efficient airflow. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"fzhs4z\" data-start=\"1270\" data-end=\"1304\"\u003e\u003cstrong data-start=\"1274\" data-end=\"1302\"\u003eSpecifications (Typical)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1305\" data-end=\"1942\"\u003e• Designed for commercial kitchens and industrial ventilation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1405\" data-end=\"1408\"\u003e• Fan supplied with a \u003cstrong data-start=\"1430\" data-end=\"1475\"\u003eVariable Frequency Drive (VFD) controller\u003c\/strong\u003e pre‑configured for precise performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1553\" data-end=\"1556\"\u003e• \u003cstrong data-start=\"1558\" data-end=\"1578\"\u003eLow noise levels\u003c\/strong\u003e, thanks to acoustic insulation and dynamic balancing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1670\" data-end=\"1673\"\u003e• Suitable for connection to standard \u003cstrong data-start=\"1711\" data-end=\"1759\"\u003ecircular ductwork or rectangular transitions\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1800\" data-end=\"1803\"\u003e• Works with standard \u003cstrong data-start=\"1825\" data-end=\"1853\"\u003e230V single‑phase supply\u003c\/strong\u003e using the inverter to run a three‑phase motor.\u003c\/p\u003e","brand":"Direct Duct Supplies","offers":[{"title":"CVAT\/4-1400\/250 ND Pack 1","offer_id":57219754131781,"sku":null,"price":630.0,"currency_code":"GBP","in_stock":true},{"title":"CVAT\/4-2000\/315 ND Pack 2","offer_id":57219754164549,"sku":null,"price":720.0,"currency_code":"GBP","in_stock":true},{"title":"CVAT\/4-3000\/355 ND Pack 3","offer_id":57219754197317,"sku":null,"price":950.0,"currency_code":"GBP","in_stock":true},{"title":"CVAT\/4-4000\/400 ND Pack 4","offer_id":57219754230085,"sku":null,"price":1020.0,"currency_code":"GBP","in_stock":true},{"title":"CVAT\/4-6000\/450 ND Pack 5","offer_id":57219754262853,"sku":null,"price":1150.0,"currency_code":"GBP","in_stock":true},{"title":"CVAT\/4-6000\/500 ND Pack 6","offer_id":57219754295621,"sku":null,"price":1250.0,"currency_code":"GBP","in_stock":true},{"title":"CVAT\/4-9000\/500 ND Pack 7","offer_id":57219754328389,"sku":null,"price":1400.0,"currency_code":"GBP","in_stock":true},{"title":"CVAT\/4-12000\/560 ND Pack 8","offer_id":57219754361157,"sku":null,"price":1700.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/entrifugal-Acoustic-Kitchen-Extract-Variable-Frequency-Inverter.jpg?v=1771760346"},{"product_id":"s-p-reb10-speec-controller","title":"S\u0026P Speed Controller","description":"\u003cdiv data-controllers-bound=\"ProductItemVariants,ProductCartButton\" class=\"ProductItem-details-checkout\" data-controller=\"ProductItemVariants,ProductCartButton\"\u003e\n\u003cdiv id=\"yui_3_17_2_1_1726120616890_133\" data-content-field=\"excerpt\" class=\"ProductItem-details-excerpt ProductItem-details-excerpt-below-price\"\u003e\n\u003cul\u003e\n\u003cli class=\"preFlex flexIn\"\u003e\n\u003cp data-start=\"41\" data-end=\"509\"\u003eThe S\u0026amp;P Speed Controller is an electrical accessory designed to regulate the rotational speed of compatible S\u0026amp;P fan motors, helping you tailor airflow and pressure to match specific system requirements. By adjusting fan speed, it provides improved comfort, reduced energy consumption, and quieter operation. It’s suitable for single‑phase and some three‑phase axial and centrifugal fans when used per manufacturer specifications.\u003c\/p\u003e\n\u003cp data-start=\"511\" data-end=\"651\"\u003e\u003cstrong data-start=\"511\" data-end=\"524\"\u003eMaterial:\u003c\/strong\u003e\u003cbr data-start=\"524\" data-end=\"527\"\u003e• High‑quality electrical components\u003cbr data-start=\"563\" data-end=\"566\"\u003e• Durable, heat‑resistant enclosure\u003cbr data-start=\"601\" data-end=\"604\"\u003e• Designed for secure wall‑ or panel‑mounting\u003c\/p\u003e\n\u003cp data-start=\"653\" data-end=\"951\"\u003e\u003cstrong data-start=\"653\" data-end=\"672\"\u003eSpecifications:\u003c\/strong\u003e\u003cbr data-start=\"672\" data-end=\"675\"\u003e• Type: Fan speed controller \/ variable speed controller\u003cbr data-start=\"731\" data-end=\"734\"\u003e• Compatible with S\u0026amp;P fans (check model compatibility)\u003cbr data-start=\"788\" data-end=\"791\"\u003e• Adjustable output for fine airflow control\u003cbr data-start=\"835\" data-end=\"838\"\u003e• Suitable for single‑phase fans (model dependent)\u003cbr data-start=\"888\" data-end=\"891\"\u003e• Provides soft speed adjustment via dial or control input\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Direct Duct Supplies","offers":[{"title":"REB-1","offer_id":57219754393925,"sku":null,"price":75.0,"currency_code":"GBP","in_stock":true},{"title":"REB-3","offer_id":57219754426693,"sku":null,"price":95.0,"currency_code":"GBP","in_stock":true},{"title":"REB-5","offer_id":57219754459461,"sku":null,"price":125.0,"currency_code":"GBP","in_stock":true},{"title":"REB-6","offer_id":57219754492229,"sku":null,"price":145.0,"currency_code":"GBP","in_stock":true},{"title":"REB-8","offer_id":57219754524997,"sku":null,"price":240.0,"currency_code":"GBP","in_stock":true},{"title":"REB-10","offer_id":57219754557765,"sku":null,"price":245.0,"currency_code":"GBP","in_stock":true},{"title":"REB-16","offer_id":57219754590533,"sku":null,"price":380.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/speed_controller_REB_1.jpg?v=1771760346"},{"product_id":"s-p-plate-mounted-axial-fan-hcbb-4","title":"S\u0026P Plate Mounted Axial Fan HCBB\/4","description":"\u003cp data-start=\"61\" data-end=\"523\"\u003eThe \u003cstrong data-start=\"102\" data-end=\"140\"\u003eS\u0026amp;P Plate Mounted Axial Fan HCBB\/4\u003c\/strong\u003e is a robust and reliable ventilation fan designed for efficient air movement in commercial, industrial, and residential environments. Featuring a plate‑mounted design, it’s engineered for easy integration into walls, ducts, or extract panels. Its axial configuration delivers high airflow with low noise, while the heavy‑duty construction ensures durability and long service life.\u003c\/p\u003e\n\u003cp data-start=\"525\" data-end=\"709\"\u003e\u003cstrong data-start=\"525\" data-end=\"538\"\u003eMaterial:\u003c\/strong\u003e\u003cbr data-start=\"538\" data-end=\"541\"\u003e• Heavy‑duty corrosion‑resistant steel and engineered polymers\u003cbr data-start=\"603\" data-end=\"606\"\u003e• Sturdy mounting plate for secure installation\u003cbr data-start=\"653\" data-end=\"656\"\u003e• Axial blades optimized for airflow and efficiency\u003c\/p\u003e\n\u003cp data-start=\"711\" data-end=\"982\"\u003e\u003cstrong data-start=\"711\" data-end=\"730\"\u003eSpecifications:\u003c\/strong\u003e\u003cbr data-start=\"730\" data-end=\"733\"\u003e• Type: Plate‑mounted axial fan (HCBB\/4 series)\u003cbr data-start=\"780\" data-end=\"783\"\u003e• Designed for wall, panel, or duct mounting\u003cbr data-start=\"827\" data-end=\"830\"\u003e• Efficient airflow with low noise levels\u003cbr data-start=\"871\" data-end=\"874\"\u003e• Suitable for supply or extract ventilation\u003cbr data-start=\"918\" data-end=\"921\"\u003e• Single‑ or three‑phase variants available (model dependent)\u003c\/p\u003e","brand":"Direct Duct Supplies","offers":[{"title":"355mm","offer_id":57219755344197,"sku":null,"price":245.0,"currency_code":"GBP","in_stock":true},{"title":"315mm","offer_id":57219755376965,"sku":null,"price":220.0,"currency_code":"GBP","in_stock":true},{"title":"250mm","offer_id":57219755409733,"sku":null,"price":200.0,"currency_code":"GBP","in_stock":true},{"title":"400mm","offer_id":57219755442501,"sku":null,"price":290.0,"currency_code":"GBP","in_stock":true},{"title":"450mm","offer_id":57219755475269,"sku":null,"price":330.0,"currency_code":"GBP","in_stock":true},{"title":"500mm","offer_id":57219755508037,"sku":null,"price":385.0,"currency_code":"GBP","in_stock":true},{"title":"560mm","offer_id":57219755540805,"sku":null,"price":590.0,"currency_code":"GBP","in_stock":true},{"title":"630mm","offer_id":57219755573573,"sku":null,"price":660.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/product9.png?v=1771760351"},{"product_id":"s-p-tcbtx2-4-560-variable-frequency-inverter-package-1","title":"S\u0026P Contra Rotating Case Mounted Axial Fan TCBTX2\/4 + Variable Frequency Inverter Package","description":"\u003cp data-start=\"106\" data-end=\"641\"\u003eThe S\u0026amp;P Contra Rotating Case Mounted Axial Fan TCBTX2\/4 with Variable Frequency Inverter (VFI) Package is a high-efficiency ventilation solution designed for precise airflow control in commercial and industrial applications. The contra-rotating blades optimize airflow and static pressure while reducing turbulence and noise. The VFI allows variable speed operation, energy savings, and precise system control, making it ideal for ducted HVAC, industrial exhaust, and process ventilation systems.\u003c\/p\u003e\n\u003cp data-start=\"643\" data-end=\"812\"\u003e\u003cstrong data-start=\"643\" data-end=\"656\"\u003eMaterial:\u003c\/strong\u003e\u003cbr data-start=\"656\" data-end=\"659\"\u003e• Durable corrosion-resistant metal and plastic components\u003cbr data-start=\"717\" data-end=\"720\"\u003e• Robust casing for long-term reliability\u003cbr data-start=\"761\" data-end=\"764\"\u003e• Contra-rotating blades for optimized airflow\u003c\/p\u003e\n\u003cp data-start=\"814\" data-end=\"1093\"\u003e\u003cstrong data-start=\"814\" data-end=\"833\"\u003eSpecifications:\u003c\/strong\u003e\u003cbr data-start=\"833\" data-end=\"836\"\u003e• Type: Case-mounted axial fan with contra-rotating blades\u003cbr data-start=\"894\" data-end=\"897\"\u003e• Model: TCBTX2\/4\u003cbr data-start=\"914\" data-end=\"917\"\u003e• Includes Variable Frequency Inverter (VFI) for adjustable speed\u003cbr data-start=\"982\" data-end=\"985\" data-is-only-node=\"\"\u003e• Suitable for ducted and open air applications\u003cbr data-start=\"1032\" data-end=\"1035\"\u003e• Voltage: Compatible with industrial three-phase supply\u003c\/p\u003e","brand":"Direct Duct Supplies","offers":[{"title":"TCBTX2\/4-450","offer_id":57219755999557,"sku":null,"price":980.0,"currency_code":"GBP","in_stock":true},{"title":"TCBTX2\/4-500","offer_id":57219756032325,"sku":null,"price":1020.0,"currency_code":"GBP","in_stock":true},{"title":"TCBTX2\/4-560","offer_id":57219756065093,"sku":null,"price":1250.0,"currency_code":"GBP","in_stock":true},{"title":"TCBTX2\/4-630","offer_id":57219756097861,"sku":null,"price":1480.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/contrafan.webp?v=1771760353"},{"product_id":"s-p-contra-rotating-case-mounted-axial-fan-tcbbx2-4-single-phase","title":"Single-Phase S\u0026P TCBBX2\/4 Case Axial Fan – Contra Rotating","description":"\u003cp data-start=\"75\" data-end=\"551\"\u003eThe Single-Phase S\u0026amp;P TCBBX2\/4 Case Axial Fan – Contra Rotating is a high-performance ventilation fan designed for efficient air movement in residential, commercial, and light industrial applications. Featuring a contra-rotating blade design, it provides enhanced airflow and pressure while reducing turbulence and noise. Its robust construction ensures durability, reliability, and long-term operation in ducted or free-standing systems.\u003c\/p\u003e\n\u003cp data-start=\"553\" data-end=\"731\"\u003e\u003cstrong data-start=\"553\" data-end=\"566\"\u003eMaterial:\u003c\/strong\u003e\u003cbr data-start=\"566\" data-end=\"569\"\u003e• High-quality corrosion-resistant metal and plastic components\u003cbr data-start=\"632\" data-end=\"635\"\u003e• Durable casing for long-lasting performance\u003cbr data-start=\"680\" data-end=\"683\"\u003e• Contra-rotating blades for optimized airflow\u003c\/p\u003e\n\u003cp data-start=\"733\" data-end=\"984\"\u003e\u003cstrong data-start=\"733\" data-end=\"752\"\u003eSpecifications:\u003c\/strong\u003e\u003cbr data-start=\"752\" data-end=\"755\"\u003e• Type: Single-phase case axial fan\u003cbr data-start=\"790\" data-end=\"793\"\u003e• Model: TCBBX2\/4\u003cbr data-start=\"810\" data-end=\"813\"\u003e• Contra-rotating blades for improved efficiency\u003cbr data-start=\"861\" data-end=\"864\" data-is-only-node=\"\"\u003e• Suitable for ducted or free-standing installations\u003cbr data-start=\"916\" data-end=\"919\"\u003e• Voltage: Single-phase, standard residential\/commercial supply\u003c\/p\u003e","brand":"Direct Duct Supplies","offers":[{"title":"450mm","offer_id":57219756130629,"sku":null,"price":785.0,"currency_code":"GBP","in_stock":true},{"title":"500mm","offer_id":57219756163397,"sku":null,"price":900.0,"currency_code":"GBP","in_stock":true},{"title":"500Lmm","offer_id":57219756196165,"sku":null,"price":959.99,"currency_code":"GBP","in_stock":true},{"title":"560mm","offer_id":57219756228933,"sku":null,"price":1135.0,"currency_code":"GBP","in_stock":true},{"title":"630mm","offer_id":57219756261701,"sku":null,"price":1440.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/TCBB_TCBT_x2_product1_4f6d2cb4-8e80-4d3d-896b-500c8edce8d6.jpg?v=1771760354"},{"product_id":"s-p-contra-rotating-case-mounted-axial-fan-tcbtx2-4-variable-frequency-inverter-package","title":"S\u0026P Contra Rotating Case Mounted Axial Fan TCBTX2\/4 + Variable Frequency Inverter Package","description":"\u003cp data-start=\"411\" data-end=\"975\"\u003eThe S\u0026amp;P TCBTX2\/4 Contra Rotating Case Mounted Axial Fan with Variable Frequency Inverter Package is designed for high-performance industrial ventilation. Its contra-rotating fan system uses two impellers rotating in opposite directions to deliver powerful airflow with high efficiency. The included variable frequency inverter allows precise speed control, improving energy efficiency and system performance. Built for demanding commercial and industrial HVAC applications, it provides reliable air extraction, durability, and consistent airflow in large spaces.\u003c\/p\u003e\n\u003chr data-start=\"977\" data-end=\"980\"\u003e\n\u003ch2 data-section-id=\"1yf6rbi\" data-start=\"982\" data-end=\"995\"\u003eMaterial\u003c\/h2\u003e\n\u003cul data-start=\"996\" data-end=\"1160\"\u003e\n\u003cli data-section-id=\"k6hc6g\" data-start=\"996\" data-end=\"1038\"\u003e\n\u003cp data-start=\"998\" data-end=\"1038\"\u003eHeavy-duty galvanized steel fan casing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1mgwj2i\" data-start=\"1039\" data-end=\"1078\"\u003e\n\u003cp data-start=\"1041\" data-end=\"1078\"\u003eHigh-efficiency aluminium impellers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5qk5bg\" data-start=\"1079\" data-end=\"1115\"\u003e\n\u003cp data-start=\"1081\" data-end=\"1115\"\u003eIndustrial-grade electric motors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"sdz38x\" data-start=\"1116\" data-end=\"1160\"\u003e\n\u003cp data-start=\"1118\" data-end=\"1160\"\u003ePowder-coated corrosion-resistant finish\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57349798756677,"sku":null,"price":980.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/S_PContraRotatingCaseMountedAxialFanTCBTX24_VariableFrequencyInverterPackage.png?v=1773182801"},{"product_id":"s-p-crht-4-450-450mm-roof-mounted-fan","title":"S\u0026P CRHT\/4-450 450mm Roof-Mounted Fan","description":"\u003cp data-start=\"398\" data-end=\"959\"\u003eThe S\u0026amp;P CRHT\/4-450 450mm Roof-Mounted Fan is a high-performance ventilation solution designed for commercial and industrial buildings. Its low-profile roof-mounted design efficiently extracts stale air, heat, and fumes from ventilation systems. The fan features a durable galvanized steel base and aluminium weather cowl to withstand harsh outdoor conditions. Equipped with a high-efficiency backward curved impeller and an external rotor motor, it delivers reliable airflow performance with low maintenance requirements. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"961\" data-end=\"964\"\u003e\n\u003ch2 data-section-id=\"1yf6rbi\" data-start=\"966\" data-end=\"979\"\u003eMaterial\u003c\/h2\u003e\n\u003cul data-start=\"980\" data-end=\"1166\"\u003e\n\u003cli data-section-id=\"1sjbvp6\" data-start=\"980\" data-end=\"1014\"\u003e\n\u003cp data-start=\"982\" data-end=\"1014\"\u003eGalvanized steel mounting base\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"6ny2tc\" data-start=\"1015\" data-end=\"1046\"\u003e\n\u003cp data-start=\"1017\" data-end=\"1046\"\u003eAluminium weatherproof cowl\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"onzsw7\" data-start=\"1047\" data-end=\"1097\"\u003e\n\u003cp data-start=\"1049\" data-end=\"1097\"\u003eHigh-efficiency aluminium centrifugal imp\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57349815566661,"sku":null,"price":1243.08,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/5136912900_47e5e392-6242-42e0-b662-cd55351f2577.jpg?v=1773182947"},{"product_id":"s-p-crht-4-500-500mm-roof-mounted-fan","title":"S\u0026P CRHT\/4-500 500mm Roof-Mounted Fan","description":"\u003cp data-start=\"392\" data-end=\"972\"\u003eThe \u003cstrong data-start=\"396\" data-end=\"437\"\u003eS\u0026amp;P CRHT\/4-500 500mm Roof-Mounted Fan\u003c\/strong\u003e is designed for reliable ventilation in commercial and industrial buildings. Its low-profile roof-mounted design efficiently extracts stale air, heat, and fumes from ventilation systems. The fan features a galvanized steel base and an aluminium weatherproof cowl for durability in outdoor conditions. Equipped with a high-efficiency backward curved centrifugal impeller and an external rotor motor, it delivers powerful airflow while maintaining low energy consumption and dependable operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"974\" data-end=\"977\"\u003e\n\u003ch2 data-section-id=\"1yf6rbi\" data-start=\"979\" data-end=\"992\"\u003eMaterial\u003c\/h2\u003e\n\u003cul data-start=\"993\" data-end=\"1232\"\u003e\n\u003cli data-section-id=\"1sjbvp6\" data-start=\"993\" data-end=\"1027\"\u003e\n\u003cp data-start=\"995\" data-end=\"1027\"\u003eGalvanized steel mounting base\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5djsiv\" data-start=\"1028\" data-end=\"1065\"\u003e\n\u003cp data-start=\"1030\" data-end=\"1065\"\u003eAluminium weather protection cowl\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"15d8txn\" data-start=\"1066\" data-end=\"1116\"\u003e\n\u003cp data-start=\"1068\" data-end=\"1116\"\u003eAluminium backward curved centrifugal impeller\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qz8ull\" data-start=\"1117\" data-end=\"1150\"\u003e\n\u003cp data-start=\"1119\" data-end=\"1150\"\u003eExternal rotor electric motor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"toadou\" data-start=\"1151\" data-end=\"1232\"\u003e\n\u003cp data-start=\"1153\" data-end=\"1232\"\u003eCorrosion-resistant galvanized hardware \u003cspan class=\"\" data-state=\"delayed-open\" aria-describedby=\"radix-_r_41a_\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57349823562053,"sku":null,"price":2291.89,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/S_PCRHT4-450450mmRoof-MountedFan.png?v=1773183017"},{"product_id":"s-p-crht-4-560-560mm-roof-mounted-fan","title":"S\u0026P CRHT\/4-560 560mm Roof-Mounted Fan","description":"\u003cp data-start=\"386\" data-end=\"981\"\u003eThe \u003cstrong data-start=\"390\" data-end=\"431\"\u003eS\u0026amp;P CRHT\/4-560 560mm Roof-Mounted Fan\u003c\/strong\u003e is designed for efficient air extraction in commercial and industrial ventilation systems. Its low-profile roof-mounted design provides reliable removal of heat, fumes, and stale air from large spaces. The unit features a galvanized steel base and an aluminium weatherproof cowl for long-term outdoor durability. Equipped with a high-efficiency backward curved centrifugal impeller and an external rotor motor, it delivers strong airflow performance while maintaining low maintenance and dependable operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"983\" data-end=\"986\"\u003e\n\u003ch2 data-section-id=\"1yf6rbi\" data-start=\"988\" data-end=\"1001\"\u003eMaterial\u003c\/h2\u003e\n\u003cul data-start=\"1002\" data-end=\"1246\"\u003e\n\u003cli data-section-id=\"1sjbvp6\" data-start=\"1002\" data-end=\"1036\"\u003e\n\u003cp data-start=\"1004\" data-end=\"1036\"\u003eGalvanized steel mounting base\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1jo9m8v\" data-start=\"1037\" data-end=\"1079\"\u003e\n\u003cp data-start=\"1039\" data-end=\"1079\"\u003eSpun aluminium weather protection cowl\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"15d8txn\" data-start=\"1080\" data-end=\"1130\"\u003e\n\u003cp data-start=\"1082\" data-end=\"1130\"\u003eAluminium backward curved centrifugal impeller\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qz8ull\" data-start=\"1131\" data-end=\"1164\"\u003e\n\u003cp data-start=\"1133\" data-end=\"1164\"\u003eExternal rotor electric motor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"toadou\" data-start=\"1165\" data-end=\"1246\"\u003e\n\u003cp data-start=\"1167\" data-end=\"1246\"\u003eCorrosion-resistant galvanized hardware \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57349829329221,"sku":null,"price":2552.61,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/S_PCRHT4-450450mmRoof-MountedFan_ff8d5d6f-c9a2-4026-b72f-40f2f44b3e1c.png?v=1773183091"},{"product_id":"s-p-crvb-4-500n-500mm-roof-mounted-ventilation-fan","title":"S\u0026P CRVB\/4-500N 500mm Roof-Mounted Ventilation Fan","description":"\u003cp data-start=\"392\" data-end=\"1001\"\u003eThe \u003cstrong data-start=\"396\" data-end=\"450\"\u003eS\u0026amp;P CRVB\/4-500N 500mm Roof-Mounted Ventilation Fan\u003c\/strong\u003e is designed for efficient air extraction in commercial and industrial buildings. It features a vertical discharge centrifugal design that removes heat, smoke, and stale air effectively from ventilation systems. The fan includes a galvanized steel mounting base and a spun aluminium weatherproof cowl for durability in outdoor environments. Equipped with a backward curved centrifugal impeller and external rotor motor, it delivers high airflow performance with low maintenance and reliable long-term operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1003\" data-end=\"1006\"\u003e\n\u003ch2 data-section-id=\"1yf6rbi\" data-start=\"1008\" data-end=\"1021\"\u003eMaterial\u003c\/h2\u003e\n\u003cul data-start=\"1022\" data-end=\"1251\"\u003e\n\u003cli data-section-id=\"1sjbvp6\" data-start=\"1022\" data-end=\"1056\"\u003e\n\u003cp data-start=\"1024\" data-end=\"1056\"\u003eGalvanized steel mounting base\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"y259x4\" data-start=\"1057\" data-end=\"1093\"\u003e\n\u003cp data-start=\"1059\" data-end=\"1093\"\u003eSpun aluminium weatherproof cowl\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17azbc6\" data-start=\"1094\" data-end=\"1144\"\u003e\n\u003cp data-start=\"1096\" data-end=\"1144\"\u003eAluminium backward-curved centrifugal impeller\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"34rbxk\" data-start=\"1145\" data-end=\"1172\"\u003e\n\u003cp data-start=\"1147\" data-end=\"1172\"\u003eExternal rotor AC motor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"s3bo9o\" data-start=\"1173\" data-end=\"1251\"\u003e\n\u003cp data-start=\"1175\" data-end=\"1251\"\u003eCorrosion-resistant metal components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57349865668933,"sku":null,"price":2413.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/S_PCRVB4-500N500mmRoof-MountedVentilationFan.png?v=1773183287"},{"product_id":"s-p-th-2000-mixvent-315mm-roof-mounted-fan","title":"S\u0026P TH-2000 MIXVENT 315mm Roof-Mounted Fan","description":"\u003cp data-start=\"395\" data-end=\"1041\"\u003eThe \u003cstrong data-start=\"399\" data-end=\"445\"\u003eS\u0026amp;P TH-2000 MIXVENT 315mm Roof-Mounted Fan\u003c\/strong\u003e is a high-efficiency mixed-flow ventilation unit designed for commercial and industrial applications. It provides strong airflow performance while maintaining compact roof-mounted installation. The fan features a galvanized steel housing with an aluminium weatherproof hood for outdoor durability. Equipped with a reliable single-phase motor and mixed-flow impeller, it delivers efficient air extraction or supply for ventilation systems connected to round ducting. The motor and impeller assembly can be rotated to change airflow direction when required. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1043\" data-end=\"1046\"\u003e\n\u003ch2 data-section-id=\"1yf6rbi\" data-start=\"1048\" data-end=\"1061\"\u003eMaterial\u003c\/h2\u003e\n\u003cul data-start=\"1062\" data-end=\"1303\"\u003e\n\u003cli data-section-id=\"s2z9ho\" data-start=\"1062\" data-end=\"1096\"\u003e\n\u003cp data-start=\"1064\" data-end=\"1096\"\u003eGalvanized sheet steel housing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"e2si33\" data-start=\"1097\" data-end=\"1133\"\u003e\n\u003cp data-start=\"1099\" data-end=\"1133\"\u003eAluminium weatherproof roof hood\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"18wpe6f\" data-start=\"1134\" data-end=\"1163\"\u003e\n\u003cp data-start=\"1136\" data-end=\"1163\"\u003eSteel mixed-flow impeller\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"483pao\" data-start=\"1164\" data-end=\"1219\"\u003e\n\u003cp data-start=\"1166\" data-end=\"1219\"\u003eBall-bearing electric motor with thermal protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"xmt8ip\" data-start=\"1220\" data-end=\"1303\"\u003e\n\u003cp data-start=\"1222\" data-end=\"1303\"\u003eEpoxy-polyester weather-resistant coating\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57349906202949,"sku":null,"price":773.09,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/S_PTH-2000MIXVENT315mmRoof-MountedFan.png?v=1773183439"},{"product_id":"s-p-th-500-150-mixvent-150mm-roof-mounted-fan","title":"S\u0026P TH-500\/150 MIXVENT 150mm Roof-Mounted Fan","description":"\u003cp data-start=\"412\" data-end=\"996\"\u003eThe \u003cstrong data-start=\"416\" data-end=\"465\"\u003eS\u0026amp;P TH-500\/150 MIXVENT 150mm Roof-Mounted Fan\u003c\/strong\u003e is a compact mixed-flow ventilation unit designed for residential, commercial, and light industrial applications. It provides efficient air extraction or supply through 150mm ducting while maintaining quiet and energy-efficient operation. The fan features a galvanized steel housing and aluminium weatherproof roof hood to protect the unit from outdoor conditions. Equipped with a reliable motor and mixed-flow impeller, it ensures consistent airflow performance and long-lasting durability for roof-mounted ventilation systems.\u003c\/p\u003e\n\u003chr data-start=\"998\" data-end=\"1001\"\u003e\n\u003ch2 data-section-id=\"1yf6rbi\" data-start=\"1003\" data-end=\"1016\"\u003eMaterial\u003c\/h2\u003e\n\u003cul data-start=\"1017\" data-end=\"1238\"\u003e\n\u003cli data-section-id=\"1pnq42r\" data-start=\"1017\" data-end=\"1045\"\u003e\n\u003cp data-start=\"1019\" data-end=\"1045\"\u003eGalvanized steel housing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"e2si33\" data-start=\"1046\" data-end=\"1082\"\u003e\n\u003cp data-start=\"1048\" data-end=\"1082\"\u003eAluminium weatherproof roof hood\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1rwa7yg\" data-start=\"1083\" data-end=\"1141\"\u003e\n\u003cp data-start=\"1085\" data-end=\"1141\"\u003eMixed-flow impeller (steel or high-strength composite)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"483pao\" data-start=\"1142\" data-end=\"1197\"\u003e\n\u003cp data-start=\"1144\" data-end=\"1197\"\u003eBall-bearing electric motor with thermal protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"po0hl0\" data-start=\"1198\" data-end=\"1238\"\u003e\n\u003cp data-start=\"1200\" data-end=\"1238\"\u003eWeather-resistant protective coating\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57349914591557,"sku":null,"price":336.14,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/S_PTH-2000MIXVENT315mmRoof-MountedFan_a3339a18-28e6-4df2-b8b3-a3c76e1afe88.png?v=1773183509"},{"product_id":"s-p-th-500-160-mixvent-160mm-roof-mounted-fan","title":"S\u0026P TH-500\/160 MIXVENT 160mm Roof-Mounted Fan","description":"\u003cp data-start=\"399\" data-end=\"1035\"\u003eThe \u003cstrong data-start=\"403\" data-end=\"452\"\u003eS\u0026amp;P TH-500\/160 MIXVENT 160mm Roof-Mounted Fan\u003c\/strong\u003e is a compact mixed-flow ventilation solution designed for residential, commercial, and light industrial buildings. It provides efficient air extraction or supply through 160mm duct systems while maintaining low noise and energy consumption. The fan features a durable housing with a galvanized steel base and weather-resistant hood for outdoor installation. Equipped with a diagonal mixed-flow impeller and reliable single-phase motor, it delivers consistent airflow performance and long-lasting operation in roof-mounted ventilation systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1037\" data-end=\"1040\"\u003e\n\u003ch2 data-section-id=\"1yf6rbi\" data-start=\"1042\" data-end=\"1055\"\u003eMaterial\u003c\/h2\u003e\n\u003cul data-start=\"1056\" data-end=\"1314\"\u003e\n\u003cli data-section-id=\"136hr7d\" data-start=\"1056\" data-end=\"1090\"\u003e\n\u003cp data-start=\"1058\" data-end=\"1090\"\u003eReinforced plastic fan housing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1sjbvp6\" data-start=\"1091\" data-end=\"1125\"\u003e\n\u003cp data-start=\"1093\" data-end=\"1125\"\u003eGalvanized steel mounting base\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1h32vbp\" data-start=\"1126\" data-end=\"1187\"\u003e\n\u003cp data-start=\"1128\" data-end=\"1187\"\u003eSteel weatherproof roof hood with epoxy-polyester coating\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ji3ewb\" data-start=\"1188\" data-end=\"1220\"\u003e\n\u003cp data-start=\"1190\" data-end=\"1220\"\u003eDiagonal mixed-flow impeller\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ii73zh\" data-start=\"1221\" data-end=\"1314\"\u003e\n\u003cp data-start=\"1223\" data-end=\"1314\"\u003eBall-bearing electric motor with thermal protection \u003cspan class=\"\" data-state=\"delayed-open\" aria-describedby=\"radix-_r_1gj_\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57349924782405,"sku":null,"price":337.14,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/S_PTH-2000MIXVENT315mmRoof-MountedFan_358ee515-9c0d-4c31-bc25-6385435706cb.png?v=1773183600"},{"product_id":"s-p-th-800n-mixvent-200mm-roof-mounted-fan","title":"S\u0026P TH-800N MIXVENT 200mm Roof-Mounted Fan","description":"\u003cp data-start=\"413\" data-end=\"1094\"\u003eThe \u003cstrong data-start=\"417\" data-end=\"463\"\u003eS\u0026amp;P TH-800N MIXVENT 200mm Roof-Mounted Fan\u003c\/strong\u003e is a high-efficiency mixed-flow ventilation unit designed for residential, commercial, and light industrial applications. It delivers reliable air extraction or supply through 200mm ducting while maintaining quiet operation and energy efficiency. The fan features a galvanized steel base and weather-resistant aluminium roof hood for long-term durability. Equipped with a mixed-flow impeller and single-phase motor, it ensures consistent airflow, low maintenance, and long-lasting performance in roof-mounted ventilation systems. (\u003ca data-start=\"995\" data-end=\"1091\" rel=\"noopener\" class=\"decorated-link cursor-pointer\"\u003een.ventilatory.net\u003cspan aria-hidden=\"true\" class=\"ms-0.5 inline-block align-middle leading-none\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" aria-hidden=\"true\" data-rtl-flip=\"\" class=\"block h-[0.75em] w-[0.75em] stroke-current stroke-[0.75]\"\u003e\u003cuse fill=\"currentColor\" href=\"\/cdn\/assets\/sprites-core-fk4oovux.svg#304883\"\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/a\u003e)\u003c\/p\u003e\n\u003chr data-start=\"1096\" data-end=\"1099\"\u003e\n\u003ch2 data-section-id=\"1yf6rbi\" data-start=\"1101\" data-end=\"1114\"\u003eMaterial\u003c\/h2\u003e\n\u003cul data-start=\"1115\" data-end=\"1348\"\u003e\n\u003cli data-section-id=\"1sjbvp6\" data-start=\"1115\" data-end=\"1149\"\u003e\n\u003cp data-start=\"1117\" data-end=\"1149\"\u003eGalvanized steel mounting base\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"e2si33\" data-start=\"1150\" data-end=\"1186\"\u003e\n\u003cp data-start=\"1152\" data-end=\"1186\"\u003eAluminium weatherproof roof hood\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1rwa7yg\" data-start=\"1187\" data-end=\"1245\"\u003e\n\u003cp data-start=\"1189\" data-end=\"1245\"\u003eMixed-flow impeller (steel or high-strength composite)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"b72b4b\" data-start=\"1246\" data-end=\"1305\"\u003e\n\u003cp data-start=\"1248\" data-end=\"1305\"\u003eBall-bearing single-phase motor with thermal protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"11aowro\" data-start=\"1306\" data-end=\"1348\"\u003e\n\u003cp data-start=\"1308\" data-end=\"1348\"\u003eCorrosion-resistant protective coating\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57349933007173,"sku":null,"price":399.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/S_PTH-2000MIXVENT315mmRoof-MountedFan_ce2916b3-6b8c-477f-83b5-ee397a166c33.png?v=1773183691"},{"product_id":"s-p-crhb-4-225-n-225mm-roof-mounted-fan","title":"S\u0026P CRHB\/4-225 N 225mm Roof-Mounted Fan","description":"\u003cp data-start=\"392\" data-end=\"1043\"\u003eThe \u003cstrong data-start=\"396\" data-end=\"440\"\u003eS\u0026amp;P CRHB\/4-225 N 225 mm Roof-Mounted Fan\u003c\/strong\u003e is a compact centrifugal roof ventilation unit designed for reliable airflow in commercial and industrial buildings. It features a \u003cstrong data-start=\"572\" data-end=\"603\"\u003ehorizontal discharge design\u003c\/strong\u003e with a very low-profile structure, making it ideal for roof installations where height is limited. The fan uses a high-efficiency backward-curved impeller and an external rotor motor for strong airflow and energy-efficient operation. Built with a galvanised steel base and aluminium weather cowl, the unit provides durable protection against outdoor conditions and long-term ventilation performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1045\" data-end=\"1048\"\u003e\n\u003ch2 data-section-id=\"19nploz\" data-start=\"1050\" data-end=\"1077\"\u003eMaterial \u0026amp; Build Quality\u003c\/h2\u003e\n\u003cul data-start=\"1078\" data-end=\"1627\"\u003e\n\u003cli data-section-id=\"1smwk4f\" data-start=\"1078\" data-end=\"1181\"\u003e\n\u003cp data-start=\"1080\" data-end=\"1181\"\u003e\u003cstrong data-start=\"1080\" data-end=\"1089\"\u003eBase:\u003c\/strong\u003e Galvanised sheet steel construction for durability. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1r8b7fe\" data-start=\"1182\" data-end=\"1273\"\u003e\n\u003cp data-start=\"1184\" data-end=\"1273\"\u003e\u003cstrong data-start=\"1184\" data-end=\"1193\"\u003eCowl:\u003c\/strong\u003e Spun aluminium weather protection hood. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"8kx2be\" data-start=\"1274\" data-end=\"1411\"\u003e\n\u003cp data-start=\"1276\" data-end=\"1411\"\u003e\u003cstrong data-start=\"1276\" data-end=\"1289\"\u003eImpeller:\u003c\/strong\u003e High-efficiency backward-curved centrifugal impeller (plastic on smaller models). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"au6aru\" data-start=\"1412\" data-end=\"1519\"\u003e\n\u003cp data-start=\"1414\" data-end=\"1519\"\u003e\u003cstrong data-start=\"1414\" data-end=\"1424\"\u003eMotor:\u003c\/strong\u003e External rotor motor with thermal overload protection. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1sbtr9p\" data-start=\"1520\" data-end=\"1627\"\u003e\n\u003cp data-start=\"1522\" data-end=\"1627\"\u003e\u003cstrong data-start=\"1522\" data-end=\"1532\"\u003eGuard:\u003c\/strong\u003e Steel bird-proof safety guard to protect the impeller. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1629\" data-end=\"1632\"\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1634\" data-end=\"1651\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1653\" data-end=\"2569\"\u003e\n\u003cli data-section-id=\"k5yo9u\" data-start=\"1653\" data-end=\"1717\"\u003e\n\u003cp data-start=\"1655\" data-end=\"1717\"\u003e\u003cstrong data-start=\"1655\" data-end=\"1672\"\u003eProduct Type:\u003c\/strong\u003e Centrifugal Roof-Mounted Fan (CRHB Series)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1mvpajv\" data-start=\"1718\" data-end=\"1745\"\u003e\n\u003cp data-start=\"1720\" data-end=\"1745\"\u003e\u003cstrong data-start=\"1720\" data-end=\"1730\"\u003eModel:\u003c\/strong\u003e CRHB\/4-225 N\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ugxxmx\" data-start=\"1746\" data-end=\"1778\"\u003e\n\u003cp data-start=\"1748\" data-end=\"1778\"\u003e\u003cstrong data-start=\"1748\" data-end=\"1765\"\u003eFan Diameter:\u003c\/strong\u003e \u003cstrong data-start=\"1766\" data-end=\"1776\"\u003e225 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1f8uu8w\" data-start=\"1779\" data-end=\"1828\"\u003e\n\u003cp data-start=\"1781\" data-end=\"1828\"\u003e\u003cstrong data-start=\"1781\" data-end=\"1800\"\u003eDischarge Type:\u003c\/strong\u003e Horizontal roof discharge\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"lmoy75\" data-start=\"1829\" data-end=\"1872\"\u003e\n\u003cp data-start=\"1831\" data-end=\"1872\"\u003e\u003cstrong data-start=\"1831\" data-end=\"1846\"\u003eMotor Type:\u003c\/strong\u003e External rotor AC motor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ifwmwj\" data-start=\"1873\" data-end=\"1963\"\u003e\n\u003cp data-start=\"1875\" data-end=\"1963\"\u003e\u003cstrong data-start=\"1875\" data-end=\"1887\"\u003eVoltage:\u003c\/strong\u003e \u003cstrong data-start=\"1888\" data-end=\"1923\"\u003e230 V \/ 50–60 Hz (Single Phase)\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"pt7jif\" data-start=\"1964\" data-end=\"2057\"\u003e\n\u003cp data-start=\"1966\" data-end=\"2057\"\u003e\u003cstrong data-start=\"1966\" data-end=\"1988\"\u003eProtection Rating:\u003c\/strong\u003e \u003cstrong data-start=\"1989\" data-end=\"1997\"\u003eIP54\u003c\/strong\u003e, insulation class F \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"trv1o3\" data-start=\"2058\" data-end=\"2137\"\u003e\n\u003cp data-start=\"2060\" data-end=\"2137\"\u003e\u003cstrong data-start=\"2060\" data-end=\"2076\"\u003eMax Airflow:\u003c\/strong\u003e Approx. \u003cstrong data-start=\"2085\" data-end=\"2097\"\u003e740 m³\/h\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"189hwo\" data-start=\"2138\" data-end=\"2211\"\u003e\n\u003cp data-start=\"2140\" data-end=\"2211\"\u003e\u003cstrong data-start=\"2140\" data-end=\"2150\"\u003eSpeed:\u003c\/strong\u003e Approx. \u003cstrong data-start=\"2159\" data-end=\"2171\"\u003e1400 rpm\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1jkk005\" data-start=\"2212\" data-end=\"2313\"\u003e\n\u003cp data-start=\"2214\" data-end=\"2313\"\u003e\u003cstrong data-start=\"2214\" data-end=\"2234\"\u003eMax Temperature:\u003c\/strong\u003e Up to \u003cstrong data-start=\"2241\" data-end=\"2250\"\u003e70 °C\u003c\/strong\u003e continuous operation \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9elsrx\" data-start=\"2314\" data-end=\"2395\"\u003e\n\u003cp data-start=\"2316\" data-end=\"2395\"\u003e\u003cstrong data-start=\"2316\" data-end=\"2332\"\u003eNoise Level:\u003c\/strong\u003e Approx. \u003cstrong data-start=\"2341\" data-end=\"2353\"\u003e42 dB(A)\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1t3bmy5\" data-start=\"2396\" data-end=\"2455\"\u003e\n\u003cp data-start=\"2398\" data-end=\"2455\"\u003e\u003cstrong data-start=\"2398\" data-end=\"2415\"\u003eInstallation:\u003c\/strong\u003e Roof mounted on flat or mounting base\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10aa77m\" data-start=\"2456\" data-end=\"2569\"\u003e\n\u003cp data-start=\"2458\" data-end=\"2569\"\u003e\u003cstrong data-start=\"2458\" data-end=\"2475\"\u003eApplications:\u003c\/strong\u003e Commercial buildings, warehouses, factories, workshops, and general HVAC extraction systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353594569029,"sku":null,"price":537.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/S_PCRHB4-225N225mmRoof-MountedFan.png?v=1773215074"},{"product_id":"s-p-crhb-4-250-n-250mm-roof-mounted-fan","title":"S\u0026P CRHB\/4-250 N 250mm Roof-Mounted Fan","description":"\u003cp data-start=\"533\" data-end=\"1199\"\u003eThe \u003cstrong data-start=\"537\" data-end=\"581\"\u003eS\u0026amp;P CRHB\/4‑250 N 250 mm Roof‑Mounted Fan\u003c\/strong\u003e is a horizontal discharge centrifugal roof fan from Soler \u0026amp; Palau’s \u003cstrong data-start=\"650\" data-end=\"667\"\u003eCRHB‑N\/CRHT‑N\u003c\/strong\u003e series, ideal for commercial and industrial ventilation systems. It’s designed with a \u003cstrong data-start=\"754\" data-end=\"795\"\u003every low‑profile horizontal discharge\u003c\/strong\u003e, making it suitable for roof installations where height is restricted. The unit features a \u003cstrong data-start=\"887\" data-end=\"927\"\u003ebackward‑curved centrifugal impeller\u003c\/strong\u003e for efficient airflow and an \u003cstrong data-start=\"957\" data-end=\"984\"\u003eexternal rotor AC motor\u003c\/strong\u003e with thermal protection for reliable performance. Construction includes a galvanised steel base with a spun aluminium cowl and bird‑proof guard to withstand outdoor conditions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1201\" data-end=\"1204\"\u003e\n\u003ch2 data-section-id=\"mmsur\" data-start=\"1206\" data-end=\"1235\"\u003eMaterial \u0026amp; Build Quality\u003c\/h2\u003e\n\u003cul data-start=\"1236\" data-end=\"1849\"\u003e\n\u003cli data-section-id=\"1je5avq\" data-start=\"1236\" data-end=\"1349\"\u003e\n\u003cp data-start=\"1238\" data-end=\"1349\"\u003e\u003cstrong data-start=\"1238\" data-end=\"1247\"\u003eBase:\u003c\/strong\u003e Galvanised sheet steel for strength and corrosion resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1aaq1ur\" data-start=\"1350\" data-end=\"1445\"\u003e\n\u003cp data-start=\"1352\" data-end=\"1445\"\u003e\u003cstrong data-start=\"1352\" data-end=\"1361\"\u003eCowl:\u003c\/strong\u003e Spun aluminium weather hood for durability. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"192xbyd\" data-start=\"1446\" data-end=\"1584\"\u003e\n\u003cp data-start=\"1448\" data-end=\"1584\"\u003e\u003cstrong data-start=\"1448\" data-end=\"1461\"\u003eImpeller:\u003c\/strong\u003e High‑efficiency backward‑curved centrifugal impeller (plastic for 225\/250 models). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"s3lvnt\" data-start=\"1585\" data-end=\"1737\"\u003e\n\u003cp data-start=\"1587\" data-end=\"1737\"\u003e\u003cstrong data-start=\"1587\" data-end=\"1597\"\u003eMotor:\u003c\/strong\u003e Single‑phase external rotor AC motor with thermal overload protection, speed adjustable by voltage. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"15te25a\" data-start=\"1738\" data-end=\"1849\"\u003e\n\u003cp data-start=\"1740\" data-end=\"1849\"\u003e\u003cstrong data-start=\"1740\" data-end=\"1750\"\u003eGuard:\u003c\/strong\u003e Steel finger proof guard for safety and debris prevention. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1851\" data-end=\"1854\"\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1856\" data-end=\"1873\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1875\" data-end=\"2758\"\u003e\n\u003cli data-section-id=\"11nnsfk\" data-start=\"1875\" data-end=\"1941\"\u003e\n\u003cp data-start=\"1877\" data-end=\"1941\"\u003e\u003cstrong data-start=\"1877\" data-end=\"1894\"\u003eProduct Type:\u003c\/strong\u003e Centrifugal Roof Mounted Fan (CRHB‑N Series)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1mmutpx\" data-start=\"1942\" data-end=\"1969\"\u003e\n\u003cp data-start=\"1944\" data-end=\"1969\"\u003e\u003cstrong data-start=\"1944\" data-end=\"1954\"\u003eModel:\u003c\/strong\u003e CRHB\/4‑250 N\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"8jha04\" data-start=\"1970\" data-end=\"2002\"\u003e\n\u003cp data-start=\"1972\" data-end=\"2002\"\u003e\u003cstrong data-start=\"1972\" data-end=\"1989\"\u003eFan Diameter:\u003c\/strong\u003e \u003cstrong data-start=\"1990\" data-end=\"2000\"\u003e250 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1j7ygfs\" data-start=\"2003\" data-end=\"2047\"\u003e\n\u003cp data-start=\"2005\" data-end=\"2047\"\u003e\u003cstrong data-start=\"2005\" data-end=\"2019\"\u003eDischarge:\u003c\/strong\u003e Horizontal roof discharge\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1hr2k9x\" data-start=\"2048\" data-end=\"2104\"\u003e\n\u003cp data-start=\"2050\" data-end=\"2104\"\u003e\u003cstrong data-start=\"2050\" data-end=\"2065\"\u003eMotor Type:\u003c\/strong\u003e Single‑phase external rotor AC motor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"12n0apm\" data-start=\"2105\" data-end=\"2142\"\u003e\n\u003cp data-start=\"2107\" data-end=\"2142\"\u003e\u003cstrong data-start=\"2107\" data-end=\"2119\"\u003eVoltage:\u003c\/strong\u003e \u003cstrong data-start=\"2120\" data-end=\"2140\"\u003e230 V \/ 50–60 Hz\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1y4ostj\" data-start=\"2143\" data-end=\"2240\"\u003e\n\u003cp data-start=\"2145\" data-end=\"2240\"\u003e\u003cstrong data-start=\"2145\" data-end=\"2167\"\u003eProtection Rating:\u003c\/strong\u003e \u003cstrong data-start=\"2168\" data-end=\"2176\"\u003eIP54\u003c\/strong\u003e, Insulation Class \u003cstrong data-start=\"2195\" data-end=\"2200\"\u003eF\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"w82wu4\" data-start=\"2241\" data-end=\"2352\"\u003e\n\u003cp data-start=\"2243\" data-end=\"2352\"\u003e\u003cstrong data-start=\"2243\" data-end=\"2260\"\u003eConstruction:\u003c\/strong\u003e Galvanised steel base with aluminium cowl and guard \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"fsxj03\" data-start=\"2353\" data-end=\"2480\"\u003e\n\u003cp data-start=\"2355\" data-end=\"2480\"\u003e\u003cstrong data-start=\"2355\" data-end=\"2374\"\u003eOperating Temp:\u003c\/strong\u003e Suitable for general ventilation applications (roof installation) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3a7b8\" data-start=\"2481\" data-end=\"2581\"\u003e\n\u003cp data-start=\"2483\" data-end=\"2581\"\u003e\u003cstrong data-start=\"2483\" data-end=\"2501\"\u003eSpeed Control:\u003c\/strong\u003e Voltage speed control options available \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"19412f3\" data-start=\"2582\" data-end=\"2758\"\u003e\n\u003cp data-start=\"2584\" data-end=\"2758\"\u003e\u003cstrong data-start=\"2584\" data-end=\"2601\"\u003eApplications:\u003c\/strong\u003e Roof ventilation for commercial buildings, industrial premises, warehouses, workshops, and ducted extraction systems \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353609445701,"sku":null,"price":535.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/S_PCRHB4-225N225mmRoof-MountedFan_8e812e74-b8c1-49ed-bc68-639b3aeb5a90.png?v=1773215155"},{"product_id":"s-p-crhb-4-500-n-500mm-roof-mounted-fan","title":"S\u0026P CRHB\/4-500 N 500mm Roof-Mounted Fan","description":"\u003cp data-start=\"425\" data-end=\"1080\"\u003eThe \u003cstrong data-start=\"429\" data-end=\"473\"\u003eS\u0026amp;P CRHB\/4-500 N 500 mm Roof-Mounted Fan\u003c\/strong\u003e is a high-performance centrifugal roof extractor designed for commercial and industrial ventilation systems. Built with a \u003cstrong data-start=\"596\" data-end=\"639\"\u003elow-profile horizontal discharge design\u003c\/strong\u003e, it allows efficient airflow while minimizing roof height. The fan features a \u003cstrong data-start=\"718\" data-end=\"758\"\u003ebackward-curved centrifugal impeller\u003c\/strong\u003e and a durable \u003cstrong data-start=\"773\" data-end=\"800\"\u003eexternal rotor AC motor\u003c\/strong\u003e, delivering strong airflow with reliable energy efficiency. Its robust construction includes a \u003cstrong data-start=\"896\" data-end=\"967\"\u003egalvanised steel base, aluminium weather cowl, and protective guard\u003c\/strong\u003e, ensuring long-term durability and resistance to harsh outdoor conditions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1082\" data-end=\"1085\"\u003e\n\u003ch2 data-section-id=\"1967hx1\" data-start=\"1087\" data-end=\"1113\"\u003eMaterial \u0026amp; Construction\u003c\/h2\u003e\n\u003cul data-start=\"1114\" data-end=\"1673\"\u003e\n\u003cli data-section-id=\"1hb4c2z\" data-start=\"1114\" data-end=\"1238\"\u003e\n\u003cp data-start=\"1116\" data-end=\"1238\"\u003e\u003cstrong data-start=\"1116\" data-end=\"1125\"\u003eBase:\u003c\/strong\u003e Galvanised sheet steel for corrosion resistance and structural strength. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"g1l8gp\" data-start=\"1239\" data-end=\"1342\"\u003e\n\u003cp data-start=\"1241\" data-end=\"1342\"\u003e\u003cstrong data-start=\"1241\" data-end=\"1250\"\u003eCowl:\u003c\/strong\u003e Spun aluminium weather hood for outdoor protection. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1jd8whq\" data-start=\"1343\" data-end=\"1452\"\u003e\n\u003cp data-start=\"1345\" data-end=\"1452\"\u003e\u003cstrong data-start=\"1345\" data-end=\"1358\"\u003eImpeller:\u003c\/strong\u003e High-efficiency backward-curved centrifugal impeller. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hz38zs\" data-start=\"1453\" data-end=\"1563\"\u003e\n\u003cp data-start=\"1455\" data-end=\"1563\"\u003e\u003cstrong data-start=\"1455\" data-end=\"1465\"\u003eMotor:\u003c\/strong\u003e External rotor AC motor with thermal overload protection. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1gaqew4\" data-start=\"1564\" data-end=\"1673\"\u003e\n\u003cp data-start=\"1566\" data-end=\"1673\"\u003e\u003cstrong data-start=\"1566\" data-end=\"1583\"\u003eSafety Guard:\u003c\/strong\u003e Steel finger-proof guard to prevent debris entry. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353611346245,"sku":null,"price":2262.48,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/S_PCRHB4-225N225mmRoof-MountedFan_a40d827f-8256-46d6-8404-afd921a530d9.png?v=1773215479"},{"product_id":"s-p-crht-4-355-355mm-roof-mounted-fan","title":"S\u0026P CRHT\/4-355 355mm Roof-Mounted Fan","description":"\u003cp data-start=\"86\" data-end=\"161\"\u003e\u003cstrong data-start=\"86\" data-end=\"120\"\u003eMeta Permalink (65 characters)\u003c\/strong\u003e\u003cbr data-start=\"120\" data-end=\"123\"\u003esp-crht-4-355-355mm-roof-mounted-fan\u003c\/p\u003e\n\u003cp data-start=\"163\" data-end=\"334\"\u003e\u003cstrong data-start=\"163\" data-end=\"200\"\u003eMeta Description (140 characters)\u003c\/strong\u003e\u003cbr data-start=\"200\" data-end=\"203\"\u003eS\u0026amp;P CRHT\/4-355 355mm roof-mounted centrifugal fan with horizontal discharge, aluminium impeller, IP54 motor and durable steel base.\u003c\/p\u003e\n\u003chr data-start=\"336\" data-end=\"339\"\u003e\n\u003ch1 data-section-id=\"qjicmc\" data-start=\"341\" data-end=\"380\"\u003eS\u0026amp;P CRHT\/4-355 355mm Roof-Mounted Fan\u003c\/h1\u003e\n\u003ch2 data-section-id=\"14exl9a\" data-start=\"382\" data-end=\"422\"\u003eProduct Description (≈500 characters)\u003c\/h2\u003e\n\u003cp data-start=\"423\" data-end=\"1103\"\u003eThe \u003cstrong data-start=\"427\" data-end=\"469\"\u003eS\u0026amp;P CRHT\/4-355 355 mm Roof-Mounted Fan\u003c\/strong\u003e is a powerful centrifugal extraction fan designed for commercial and industrial roof ventilation systems. It features a \u003cstrong data-start=\"590\" data-end=\"634\"\u003ehorizontal discharge, low-profile design\u003c\/strong\u003e that allows efficient airflow while maintaining a compact roof installation height. The fan uses a \u003cstrong data-start=\"734\" data-end=\"790\"\u003ehigh-efficiency backward-curved centrifugal impeller\u003c\/strong\u003e and a \u003cstrong data-start=\"797\" data-end=\"833\"\u003ethree-phase external rotor motor\u003c\/strong\u003e, ensuring reliable airflow performance and energy efficiency. Constructed with a \u003cstrong data-start=\"915\" data-end=\"972\"\u003egalvanised steel base and spun aluminium weather cowl\u003c\/strong\u003e, the unit provides excellent durability and protection against harsh outdoor environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1105\" data-end=\"1108\"\u003e\n\u003ch2 data-section-id=\"1967hx1\" data-start=\"1110\" data-end=\"1136\"\u003eMaterial \u0026amp; Construction\u003c\/h2\u003e\n\u003cul data-start=\"1137\" data-end=\"1754\"\u003e\n\u003cli data-section-id=\"haudvt\" data-start=\"1137\" data-end=\"1256\"\u003e\n\u003cp data-start=\"1139\" data-end=\"1256\"\u003e\u003cstrong data-start=\"1139\" data-end=\"1148\"\u003eBase:\u003c\/strong\u003e Galvanised sheet steel for strong corrosion-resistant construction. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"8iewjq\" data-start=\"1257\" data-end=\"1372\"\u003e\n\u003cp data-start=\"1259\" data-end=\"1372\"\u003e\u003cstrong data-start=\"1259\" data-end=\"1268\"\u003eCowl:\u003c\/strong\u003e Spun aluminium weather hood designed for outdoor installations. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1k5bxf4\" data-start=\"1373\" data-end=\"1506\"\u003e\n\u003cp data-start=\"1375\" data-end=\"1506\"\u003e\u003cstrong data-start=\"1375\" data-end=\"1388\"\u003eImpeller:\u003c\/strong\u003e Backward-curved centrifugal impeller made from aluminium for high efficiency. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1xnwysm\" data-start=\"1507\" data-end=\"1626\"\u003e\n\u003cp data-start=\"1509\" data-end=\"1626\"\u003e\u003cstrong data-start=\"1509\" data-end=\"1519\"\u003eMotor:\u003c\/strong\u003e External rotor three-phase motor with thermal overload protection. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"55rujt\" data-start=\"1627\" data-end=\"1754\"\u003e\n\u003cp data-start=\"1629\" data-end=\"1754\"\u003e\u003cstrong data-start=\"1629\" data-end=\"1646\"\u003eSafety Guard:\u003c\/strong\u003e Steel finger-proof guard to prevent debris entry and ensure safety. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1756\" data-end=\"1759\"\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1761\" data-end=\"1778\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1780\" data-end=\"2613\"\u003e\n\u003cli data-section-id=\"19qdqpe\" data-start=\"1780\" data-end=\"1842\"\u003e\n\u003cp data-start=\"1782\" data-end=\"1842\"\u003e\u003cstrong data-start=\"1782\" data-end=\"1799\"\u003eProduct Type:\u003c\/strong\u003e Centrifugal Roof-Mounted Ventilation Fan\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"l7qo1h\" data-start=\"1843\" data-end=\"1868\"\u003e\n\u003cp data-start=\"1845\" data-end=\"1868\"\u003e\u003cstrong data-start=\"1845\" data-end=\"1855\"\u003eModel:\u003c\/strong\u003e CRHT\/4-355\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"16y08dr\" data-start=\"1869\" data-end=\"1901\"\u003e\n\u003cp data-start=\"1871\" data-end=\"1901\"\u003e\u003cstrong data-start=\"1871\" data-end=\"1888\"\u003eFan Diameter:\u003c\/strong\u003e \u003cstrong data-start=\"1889\" data-end=\"1899\"\u003e355 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1jledsr\" data-start=\"1902\" data-end=\"1987\"\u003e\n\u003cp data-start=\"1904\" data-end=\"1987\"\u003e\u003cstrong data-start=\"1904\" data-end=\"1925\"\u003eAirflow Capacity:\u003c\/strong\u003e Up to \u003cstrong data-start=\"1932\" data-end=\"1947\"\u003e≈2,779 m³\/h\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"19n6jdn\" data-start=\"1988\" data-end=\"2069\"\u003e\n\u003cp data-start=\"1990\" data-end=\"2069\"\u003e\u003cstrong data-start=\"1990\" data-end=\"2010\"\u003eStatic Pressure:\u003c\/strong\u003e Approx. \u003cstrong data-start=\"2019\" data-end=\"2029\"\u003e103 Pa\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hltgb1\" data-start=\"2070\" data-end=\"2129\"\u003e\n\u003cp data-start=\"2072\" data-end=\"2129\"\u003e\u003cstrong data-start=\"2072\" data-end=\"2087\"\u003eMotor Type:\u003c\/strong\u003e External rotor \u003cstrong data-start=\"2103\" data-end=\"2127\"\u003ethree-phase AC motor\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"rmnakc\" data-start=\"2130\" data-end=\"2209\"\u003e\n\u003cp data-start=\"2132\" data-end=\"2209\"\u003e\u003cstrong data-start=\"2132\" data-end=\"2144\"\u003eVoltage:\u003c\/strong\u003e \u003cstrong data-start=\"2145\" data-end=\"2169\"\u003e230\/400 V – 50\/60 Hz\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"afgrz4\" data-start=\"2210\" data-end=\"2283\"\u003e\n\u003cp data-start=\"2212\" data-end=\"2283\"\u003e\u003cstrong data-start=\"2212\" data-end=\"2222\"\u003eSpeed:\u003c\/strong\u003e Approx. \u003cstrong data-start=\"2231\" data-end=\"2243\"\u003e1378 RPM\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1u58sgb\" data-start=\"2284\" data-end=\"2364\"\u003e\n\u003cp data-start=\"2286\" data-end=\"2364\"\u003e\u003cstrong data-start=\"2286\" data-end=\"2302\"\u003ePower Input:\u003c\/strong\u003e Approx. \u003cstrong data-start=\"2311\" data-end=\"2322\"\u003e0.27 kW\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"76295v\" data-start=\"2365\" data-end=\"2439\"\u003e\n\u003cp data-start=\"2367\" data-end=\"2439\"\u003e\u003cstrong data-start=\"2367\" data-end=\"2379\"\u003eCurrent:\u003c\/strong\u003e \u003cstrong data-start=\"2380\" data-end=\"2397\"\u003e1.3 A \/ 0.8 A\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353648341317,"sku":null,"price":1024.42,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/S_PCRHB4-225N225mmRoof-MountedFan_6f4070a8-fc49-457c-91e4-02a924886d3d.png?v=1773216912"},{"product_id":"s-p-crht-4-400-400mm-roof-mounted-ventilation-fan","title":"S\u0026P CRHT\/4-400 400mm Roof-Mounted Ventilation Fan","description":"\u003cp data-start=\"450\" data-end=\"1175\"\u003eThe \u003cstrong data-start=\"454\" data-end=\"508\"\u003eS\u0026amp;P CRHT\/4-400 400 mm Roof-Mounted Ventilation Fan\u003c\/strong\u003e is a powerful centrifugal extraction fan designed for efficient roof ventilation in commercial and industrial HVAC systems. It features a \u003cstrong data-start=\"647\" data-end=\"690\"\u003elow-profile horizontal discharge design\u003c\/strong\u003e that allows high airflow performance while minimizing roof installation height. The fan uses a \u003cstrong data-start=\"786\" data-end=\"842\"\u003ehigh-efficiency backward-curved centrifugal impeller\u003c\/strong\u003e combined with a \u003cstrong data-start=\"859\" data-end=\"895\"\u003ethree-phase external rotor motor\u003c\/strong\u003e to deliver reliable airflow and energy-efficient operation. Built with a \u003cstrong data-start=\"969\" data-end=\"1026\"\u003egalvanised steel base and spun aluminium weather cowl\u003c\/strong\u003e, the unit is engineered for long-lasting durability and protection against outdoor environmental conditions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1177\" data-end=\"1180\"\u003e\n\u003ch2 data-section-id=\"1967hx1\" data-start=\"1182\" data-end=\"1208\"\u003eMaterial \u0026amp; Construction\u003c\/h2\u003e\n\u003cul data-start=\"1209\" data-end=\"1818\"\u003e\n\u003cli data-section-id=\"18r7n7o\" data-start=\"1209\" data-end=\"1333\"\u003e\n\u003cp data-start=\"1211\" data-end=\"1333\"\u003e\u003cstrong data-start=\"1211\" data-end=\"1220\"\u003eBase:\u003c\/strong\u003e Heavy-duty galvanised sheet steel for strength and corrosion resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"efu4ld\" data-start=\"1334\" data-end=\"1453\"\u003e\n\u003cp data-start=\"1336\" data-end=\"1453\"\u003e\u003cstrong data-start=\"1336\" data-end=\"1345\"\u003eCowl:\u003c\/strong\u003e Spun aluminium weather hood designed for outdoor roof installation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"fh9leg\" data-start=\"1454\" data-end=\"1581\"\u003e\n\u003cp data-start=\"1456\" data-end=\"1581\"\u003e\u003cstrong data-start=\"1456\" data-end=\"1469\"\u003eImpeller:\u003c\/strong\u003e Backward-curved centrifugal impeller for efficient airflow performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1yb1ly8\" data-start=\"1582\" data-end=\"1708\"\u003e\n\u003cp data-start=\"1584\" data-end=\"1708\"\u003e\u003cstrong data-start=\"1584\" data-end=\"1594\"\u003eMotor:\u003c\/strong\u003e External rotor \u003cstrong data-start=\"1610\" data-end=\"1634\"\u003ethree-phase AC motor\u003c\/strong\u003e with built-in thermal protection. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1yqc32c\" data-start=\"1709\" data-end=\"1818\"\u003e\n\u003cp data-start=\"1711\" data-end=\"1818\"\u003e\u003cstrong data-start=\"1711\" data-end=\"1721\"\u003eGuard:\u003c\/strong\u003e Steel finger-proof safety guard to prevent debris entry. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1820\" data-end=\"1823\"\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1825\" data-end=\"1842\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1844\" data-end=\"2680\"\u003e\n\u003cli data-section-id=\"19qdqpe\" data-start=\"1844\" data-end=\"1906\"\u003e\n\u003cp data-start=\"1846\" data-end=\"1906\"\u003e\u003cstrong data-start=\"1846\" data-end=\"1863\"\u003eProduct Type:\u003c\/strong\u003e Centrifugal Roof-Mounted Ventilation Fan\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"l71y4y\" data-start=\"1907\" data-end=\"1932\"\u003e\n\u003cp data-start=\"1909\" data-end=\"1932\"\u003e\u003cstrong data-start=\"1909\" data-end=\"1919\"\u003eModel:\u003c\/strong\u003e CRHT\/4-400\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1wx25yg\" data-start=\"1933\" data-end=\"1965\"\u003e\n\u003cp data-start=\"1935\" data-end=\"1965\"\u003e\u003cstrong data-start=\"1935\" data-end=\"1952\"\u003eFan Diameter:\u003c\/strong\u003e \u003cstrong data-start=\"1953\" data-end=\"1963\"\u003e400 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1bbguye\" data-start=\"1966\" data-end=\"2051\"\u003e\n\u003cp data-start=\"1968\" data-end=\"2051\"\u003e\u003cstrong data-start=\"1968\" data-end=\"1989\"\u003eAirflow Capacity:\u003c\/strong\u003e Up to \u003cstrong data-start=\"1996\" data-end=\"2011\"\u003e≈4,156 m³\/h\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ev8xf4\" data-start=\"2052\" data-end=\"2133\"\u003e\n\u003cp data-start=\"2054\" data-end=\"2133\"\u003e\u003cstrong data-start=\"2054\" data-end=\"2074\"\u003eStatic Pressure:\u003c\/strong\u003e Approx. \u003cstrong data-start=\"2083\" data-end=\"2093\"\u003e108 Pa\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hltgb1\" data-start=\"2134\" data-end=\"2193\"\u003e\n\u003cp data-start=\"2136\" data-end=\"2193\"\u003e\u003cstrong data-start=\"2136\" data-end=\"2151\"\u003eMotor Type:\u003c\/strong\u003e External rotor \u003cstrong data-start=\"2167\" data-end=\"2191\"\u003ethree-phase AC motor\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"rmnakc\" data-start=\"2194\" data-end=\"2273\"\u003e\n\u003cp data-start=\"2196\" data-end=\"2273\"\u003e\u003cstrong data-start=\"2196\" data-end=\"2208\"\u003eVoltage:\u003c\/strong\u003e \u003cstrong data-start=\"2209\" data-end=\"2233\"\u003e230\/400 V – 50\/60 Hz\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"2376jl\" data-start=\"2274\" data-end=\"2347\"\u003e\n\u003cp data-start=\"2276\" data-end=\"2347\"\u003e\u003cstrong data-start=\"2276\" data-end=\"2286\"\u003eSpeed:\u003c\/strong\u003e Approx. \u003cstrong data-start=\"2295\" data-end=\"2307\"\u003e1379 RPM\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1e8bbjy\" data-start=\"2348\" data-end=\"2429\"\u003e\n\u003cp data-start=\"2350\" data-end=\"2429\"\u003e\u003cstrong data-start=\"2350\" data-end=\"2366\"\u003ePower Input:\u003c\/strong\u003e Approx. \u003cstrong data-start=\"2375\" data-end=\"2387\"\u003e0.426 kW\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353650635077,"sku":null,"price":1205.57,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/S_PCRHB4-225N225mmRoof-MountedFan_2880dbdb-f4f2-47b3-9ab6-1acdf20fc6c9.png?v=1773217136"}],"url":"https:\/\/directductsupplies.com\/collections\/s-p-fans.oembed","provider":"Direct Duct Supplies","version":"1.0","type":"link"}