{"product_id":"rule-240-inline-bilge-blower-102mm","title":"Rule 240 Inline Bilge Blower - 102mm","description":"\u003cp\u003eThe Rule 240 is a 12V inline marine ventilation blower for 102 mm (4 in) ducting, delivering 235 CFM (6.7 m³\/min) open airflow with a 4.3A draw and 7A recommended fuse.\u003c\/p\u003e\u003cp\u003eThe Rule 240 inline blower is designed to move air through marine ventilation ducting in bilges, engine compartments, galleys and heads. It uses slip-on duct connections, a sealed motor shaft and corrosion-resistant nickel-plated motor housing for permanent boat installations.\u003c\/p\u003e\u003ch4\u003eProduct Identification\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Rule\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct name:\u003c\/strong\u003e Rule 240 Inline Bilge Blower - 4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ part number:\u003c\/strong\u003e 240\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine Scene SKU:\u003c\/strong\u003e CW-240\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct category:\u003c\/strong\u003e Inline marine ventilation blower\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen airflow:\u003c\/strong\u003e 235 CFM (6.7 m³\/min)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct size:\u003c\/strong\u003e 102 mm (4 in)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent draw:\u003c\/strong\u003e 4.3A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended fuse:\u003c\/strong\u003e 7A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition protection:\u003c\/strong\u003e Yes; USCG 183.410 compliant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity supplied:\u003c\/strong\u003e One blower\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eWhat Is the Rule 240 Bilge Blower Used For?\u003c\/h4\u003e\u003cp\u003eThis blower is used to ventilate enclosed marine spaces and help remove accumulated vapours, heat and stale air through a correctly designed 102 mm duct system. It moves air only and must not be used as a liquid pump.\u003c\/p\u003e\u003ch4\u003eWhat Is Included?\u003c\/h4\u003e\u003cul\u003e\u003cli\u003eOne Rule 240 inline marine blower\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eWhat Is Not Included?\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eVentilation ducting, clips and outlet grilles\u003c\/li\u003e\n\u003cli\u003eControl switch, cable extensions and waterproof connectors\u003c\/li\u003e\n\u003cli\u003e7A fuse and mounting hardware not supplied in the retail package\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eWhich Marine Ventilation Systems Is the Rule 240 Compatible With?\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eFor 12V DC marine electrical systems.\u003c\/li\u003e\n\u003cli\u003eConnects to 102 mm (4 in) ventilation ducting.\u003c\/li\u003e\n\u003cli\u003eMount on a secure flat surface in the direction of the required airflow.\u003c\/li\u003e\n\u003cli\u003eUse switching, cabling and a fuse rated for the 4.3A blower load and total cable length.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eHow Should the Blower and Ducting Be Selected?\u003c\/h4\u003e\u003cp\u003eMatch the blower to the complete ventilation system rather than using airflow alone:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply voltage:\u003c\/strong\u003e 12V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct diameter:\u003c\/strong\u003e 102 mm (4 in)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePublished open airflow:\u003c\/strong\u003e 235 CFM (6.7 m³\/min)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent draw:\u003c\/strong\u003e 4.3A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended fuse:\u003c\/strong\u003e 7A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstalled space:\u003c\/strong\u003e 102 x 152 x 106 mm (H x W x D)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eConstruction and Design\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor housing:\u003c\/strong\u003e Corrosion-resistant nickel-plated housing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShaft protection:\u003c\/strong\u003e Front and rear shaft seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition protection:\u003c\/strong\u003e Yes; USCG 183.410 compliant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCE compliance:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 102 x 152 x 106 mm (H x W x D)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eInstallation and Safety\u003c\/h4\u003e\u003cp\u003eInstall the blower and ducting in accordance with the vessel manufacturer’s ventilation plan and applicable marine regulations. Keep duct runs as short and unrestricted as practical, orient the airflow correctly, protect the circuit with a 7A fuse and test airflow before operating an engine or equipment that may produce vapour. The blower is ignition protected but is not a substitute for correct fuel-system maintenance or vapour checks.\u003c\/p\u003e\u003ch4\u003eMaintenance\u003c\/h4\u003e\u003cp\u003eCheck the ventilation system regularly to confirm that air can move freely through the intake, blower and ducting.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRemove obstructions from grilles and ducts.\u003c\/li\u003e\n\u003cli\u003eInspect the blower housing, mounting, fuse and wiring.\u003c\/li\u003e\n\u003cli\u003eCheck duct joints for collapse, leakage or detachment.\u003c\/li\u003e\n\u003cli\u003eReplace a blower that is noisy, damaged or fails to deliver normal airflow.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e235 CFM (6.7 m³\/min) open airflow\u003c\/li\u003e\n\u003cli\u003e12V DC operation\u003c\/li\u003e\n\u003cli\u003e4.3A current draw and 7A recommended fuse\u003c\/li\u003e\n\u003cli\u003e102 mm (4 in) slip-on duct connections\u003c\/li\u003e\n\u003cli\u003eSealed motor shaft for moisture protection\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant nickel-plated motor housing\u003c\/li\u003e\n\u003cli\u003eIgnition protected and CE compliant\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eIs the Rule 240 a bilge-water pump?\u003c\/strong\u003e\u003cbr\u003eNo. It is an air blower for ventilation ducting.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat duct size is required?\u003c\/strong\u003e\u003cbr\u003eUse 102 mm (4 in) ventilation ducting.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it be used on a 24V electrical system?\u003c\/strong\u003e\u003cbr\u003eThis listing is for model 240, the 12V version. Use the separately specified 240-24 model for 24V systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the quoted airflow account for duct resistance?\u003c\/strong\u003e\u003cbr\u003eNo. The 235 CFM figure is an open-flow rating. Long, narrow or sharply bent ducting reduces installed airflow.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cdiv style=\"width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch;\"\u003e\n\u003ctable class=\"spec-table\" style=\"width: 100%; border-collapse: collapse; font-family: Roboto, Arial, sans-serif; background: #ffffff; text-align: center;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #f5f5f5;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: center; font-weight: 500;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: center; font-weight: 500;\"\u003e240\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003eRule\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e\u003cstrong\u003eProduct category\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003eInline marine ventilation blower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e\u003cstrong\u003eMarine Scene SKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003eCW-240\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e\u003cstrong\u003eOpen airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e235 CFM (6.7 m³\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e\u003cstrong\u003eCurrent draw\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e4.3A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e\u003cstrong\u003eRecommended fuse\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e7A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e\u003cstrong\u003eDuct size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e102 mm (4 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e102 x 152 x 106 mm (H x W x D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e\u003cstrong\u003eMotor housing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003eCorrosion-resistant nickel-plated housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e\u003cstrong\u003eShaft protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003eFront and rear shaft seals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e\u003cstrong\u003eIgnition protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003eYes; USCG 183.410 compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e\u003cstrong\u003eCE compliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Rule","offers":[{"title":"12v","offer_id":54837965554041,"sku":"ASAP-716706","price":45.98,"currency_code":"GBP","in_stock":true},{"title":"24v","offer_id":64696219533689,"sku":"ASAP-716708","price":62.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0773\/6151\/2725\/products\/31480xl-04725144294212912801280t.jpg?v=1696422724","url":"https:\/\/marinescene.co.uk\/products\/rule-240-inline-bilge-blower-102mm","provider":"Marine Scene","version":"1.0","type":"link"}