{"product_id":"rule-140-inline-bilge-blower-76mm","title":"Rule 140 Inline Bilge Blower - 76mm","description":"\u003cp\u003eThe Rule 140 and Rule 140-24V inline bilge blowers provide 135 CFM of open airflow through 76 mm (3 in) marine ventilation ducting. Choose the Rule 140 for a 12V electrical system or the Rule 140-24V for a 24V system.\u003c\/p\u003e\n\n\u003cp\u003eThese compact inline marine blowers are designed to move air through ventilation systems serving bilges, engine compartments, galleys and heads. Both models use slip-on duct connections, sealed motor shafts and corrosion-resistant nickel-plated motor housings for permanent marine installations.\u003c\/p\u003e\n\n\u003ch4\u003eProduct Identification\u003c\/h4\u003e\n\n\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 140 Inline Bilge Blower\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModels \/ part numbers:\u003c\/strong\u003e 140 and 140-24V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarine Scene SKUs:\u003c\/strong\u003e CW-140 and CW-140-24V\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 options:\u003c\/strong\u003e 12V DC or 24V DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOpen airflow:\u003c\/strong\u003e 135 CFM (3.8 m³\/min)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDuct size:\u003c\/strong\u003e 76 mm (3 in)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity supplied:\u003c\/strong\u003e One blower\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWhat Is the Rule 140 Bilge Blower Used For?\u003c\/h4\u003e\n\n\u003cp\u003eThe Rule 140 is used to move air through marine ventilation ducting connected to bilges, petrol-engine compartments, galleys, heads and other enclosed boat spaces. It helps remove accumulated vapours, heat, moisture and stale air.\u003c\/p\u003e\n\n\u003cp\u003eThis is an air blower only. It must not be used to pump bilge water or any other liquid.\u003c\/p\u003e\n\n\u003ch4\u003eWhat Is Included?\u003c\/h4\u003e\n\n\u003cul\u003e\n  \u003cli\u003eOne Rule inline marine ventilation blower\u003c\/li\u003e\n  \u003cli\u003eIntegral mounting feet\u003c\/li\u003e\n  \u003cli\u003eFactory-fitted electrical leads\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWhat Is Not Included?\u003c\/h4\u003e\n\n\u003cul\u003e\n  \u003cli\u003eVentilation ducting\u003c\/li\u003e\n  \u003cli\u003eDuct clips, cable ties and outlet grilles\u003c\/li\u003e\n  \u003cli\u003eControl switch\u003c\/li\u003e\n  \u003cli\u003eCircuit-protection fuse and fuse holder\u003c\/li\u003e\n  \u003cli\u003eCable extensions and waterproof connectors\u003c\/li\u003e\n  \u003cli\u003eMounting screws and installation sealant\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWhat Is the Difference Between the 12V and 24V Models?\u003c\/h4\u003e\n\n\u003cp\u003eBoth variants provide the same airflow, use the same 76 mm ducting and have the same published dimensions. Select the version that matches the vessel's electrical system:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRule 140:\u003c\/strong\u003e For nominal 12V DC systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRule 140-24V:\u003c\/strong\u003e For nominal 24V DC systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe 12V model has a higher current draw and requires a 4A fuse. The 24V version draws less current and requires a 2.5A fuse.\u003c\/p\u003e\n\n\u003ch4\u003eWhich Marine Ventilation Systems Are These Blowers Compatible With?\u003c\/h4\u003e\n\n\u003cul\u003e\n  \u003cli\u003e76 mm (3 in) marine ventilation ducting\u003c\/li\u003e\n  \u003cli\u003e12V or 24V boat electrical systems, according to the selected variant\u003c\/li\u003e\n  \u003cli\u003eBilge and engine-compartment ventilation systems\u003c\/li\u003e\n  \u003cli\u003eGalley and marine-head ventilation systems\u003c\/li\u003e\n  \u003cli\u003eFlat deck, transom or bulkhead mounting surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eHow Should the Blower and Ducting Be Selected?\u003c\/h4\u003e\n\n\u003cp\u003eMatch the blower to the complete ventilation system rather than selecting by airflow alone:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectrical system:\u003c\/strong\u003e Choose 12V or 24V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDuct diameter:\u003c\/strong\u003e 76 mm (3 in)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePublished open airflow:\u003c\/strong\u003e 135 CFM (3.8 m³\/min)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e12V electrical data:\u003c\/strong\u003e 2.9A draw at 13.6V; 4A fuse\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e24V electrical data:\u003c\/strong\u003e 1.7A draw at 27.2V; 2.5A fuse\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePublished dimensions:\u003c\/strong\u003e 76 × 127 × 81 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation layout:\u003c\/strong\u003e Keep ducting short and minimise sharp bends or restrictions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eDoes the Published Airflow Equal the Installed Airflow?\u003c\/h4\u003e\n\n\u003cp\u003eNo. The 135 CFM figure is an open-flow rating. Installed airflow will reduce as the length of ducting, number of bends, outlet resistance and inlet restrictions increase.\u003c\/p\u003e\n\n\u003ch4\u003eConstruction and Design\u003c\/h4\u003e\n\n\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 motor-shaft seals\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDuct connections:\u003c\/strong\u003e Slip-on inlet and outlet connections\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Compact inline housing for a secure flat surface\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\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation and Safety\u003c\/h4\u003e\n\n\u003cp\u003eMount the blower on a secure, flat surface and position it so the airflow arrow points towards the exhaust vent. Keep the duct run as short and unrestricted as practical, and protect the circuit using the fuse specified for the selected voltage.\u003c\/p\u003e\n\n\u003cp\u003eKeep electrical connections above the highest anticipated water level and protect them against marine corrosion. The blower must not be submerged or positioned where it will be exposed to continuous spray or deck-wash water.\u003c\/p\u003e\n\n\u003cp\u003ePetrol vapours can explode. Before starting a petrol engine, operate the blower for four minutes and check the engine compartment for vapours. Continue using the blower as required by the vessel manufacturer and applicable ventilation regulations.\u003c\/p\u003e\n\n\u003ch4\u003eMaintenance\u003c\/h4\u003e\n\n\u003cp\u003eCheck the complete ventilation system regularly to confirm that air can move freely through the intake, blower, ducting and exhaust outlet.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eRemove obstructions from ventilation grilles and ducting.\u003c\/li\u003e\n  \u003cli\u003eInspect duct joints for collapse, leakage or detachment.\u003c\/li\u003e\n  \u003cli\u003eCheck the blower housing, mounting screws and electrical wiring.\u003c\/li\u003e\n  \u003cli\u003eInspect the fuse, switch and terminals for corrosion or overheating.\u003c\/li\u003e\n  \u003cli\u003eReplace a blower that becomes unusually noisy, damaged or fails to provide normal airflow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\n\u003cul\u003e\n  \u003cli\u003e135 CFM (3.8 m³\/min) open airflow\u003c\/li\u003e\n  \u003cli\u003e12V and 24V variants\u003c\/li\u003e\n  \u003cli\u003e76 mm (3 in) duct connections\u003c\/li\u003e\n  \u003cli\u003eLow-current operation\u003c\/li\u003e\n  \u003cli\u003eSlip-on inlet and outlet connections\u003c\/li\u003e\n  \u003cli\u003eFront and rear motor-shaft seals\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant nickel-plated motor housing\u003c\/li\u003e\n  \u003cli\u003eCompact flat-surface mounting design\u003c\/li\u003e\n  \u003cli\u003eIgnition protected and CE compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs the Rule 140 a bilge-water pump?\u003c\/strong\u003e\u003cbr\u003eNo. It is an air blower for marine ventilation ducting and cannot pump liquids.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between models 140 and 140-24V?\u003c\/strong\u003e\u003cbr\u003eModel 140 is for nominal 12V systems, while model 140-24V is for nominal 24V systems. Both provide the same 135 CFM airflow and connect to 76 mm ducting.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat duct size is required?\u003c\/strong\u003e\u003cbr\u003eUse 76 mm (3 in) marine ventilation ducting.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan the 12V model be connected to a 24V system?\u003c\/strong\u003e\u003cbr\u003eNo. Select the model that matches the vessel's supply voltage.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes the quoted airflow include duct resistance?\u003c\/strong\u003e\u003cbr\u003eNo. The 135 CFM specification is an open-flow figure. Long duct runs, bends and restrictions reduce installed airflow.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow long should the blower run before starting a petrol engine?\u003c\/strong\u003e\u003cbr\u003eOperate the blower for four minutes and check the engine compartment for petrol vapours before starting the engine.\u003c\/p\u003e\n\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\n\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;\"\u003e140\u003c\/th\u003e\n        \u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: center; font-weight: 500;\"\u003e140-24V\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        \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        \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-140\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003eCW-140-24V\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e\u003cstrong\u003eNominal electrical system\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e12V DC\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e24V 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\u003ePublished test voltage\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e13.6V DC\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e27.2V 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;\"\u003e135 CFM (3.8 m³\/min)\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e135 CFM (3.8 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;\"\u003e2.9A at 13.6V\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e1.7A at 27.2V\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;\"\u003e4A\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e2.5A\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;\"\u003e76 mm (3 in)\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e76 mm (3 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\u003ePublished dimensions\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e76 × 127 × 81 mm (H × W × D)\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003e76 × 127 × 81 mm (H × W × 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        \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        \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\u003eDuct connections\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003eSlip-on inlet and outlet connections\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\"\u003eSlip-on inlet and outlet connections\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        \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        \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\n\n\u003cp\u003e\u003cem\u003eThe stated 135 CFM capacity is an open-flow rating. Installed airflow will reduce as duct length, bends, inlet restrictions and outlet resistance increase.\u003c\/em\u003e\u003c\/p\u003e","brand":"Rule","offers":[{"title":"12v","offer_id":64696261443961,"sku":"ASAP-716704","price":47.98,"currency_code":"GBP","in_stock":true},{"title":"24v","offer_id":64696261476729,"sku":"ASAP-716705","price":56.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0773\/6151\/2725\/files\/716705.jpg?v=1790246531","url":"https:\/\/marinescene.co.uk\/products\/rule-140-inline-bilge-blower-76mm","provider":"Marine Scene","version":"1.0","type":"link"}