{"product_id":"rule-1500-gph-automatic-bilge-pump-12v-dc-part-number-51s","title":"Rule 1500 GPH Automatic Bilge Pump, 12V DC, Part Number 51S","description":"\u003cb\u003e1500 G.P.H. Automatic Bilge Pump\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003eHigh pumping capacity and reliability at a lower cost. The Rule 1500 offers more pumping capacity and more exclusive design features than any comparable competitive pump. 1-1\/8\" (28.6mm) discharge outlet. 12 Volts DC unless noted.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eComputerized operation - no float switch required\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e3 wire version allows manual override or indicator light capability\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFully Submersible\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eEasy clean snap lock strainer\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSilent and vibrationless operation\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAnti-airlock protection\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompact, efficient long life motor\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIgnition protected\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNo burn-out when run dry\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRust and Corrosion protection\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUsed by leading boatbuilders worldwide\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003emarine grade blocked wiring\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/productimageserver.com\/prop65\/6pt.png\" alt=\"Warning\"\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e This product can expose you to chemicals including FORMALDEHYDE (GAS) which is known to the State of California to cause cancer. For more information go to \u003ca href=\"http:\/\/P65Warnings.ca.gov\"\u003eP65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e \u003c!--- cis2:m2lsl5xp ---\u003e\n\u003cp\u003eThe Rule 1500 GPH Automatic Bilge Pump is designed for boat owners, marine technicians, and boatbuilders who need dependable, high-capacity bilge water removal in a compact pump. Operating on 12 Volts DC, this fully submersible marine bilge pump uses computerized operation without requiring a separate float switch, helping simplify installation while supporting automatic bilge pumping.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eRule part number 51S features a 1-1\/8-inch discharge outlet and a three-wire design that supports manual override or indicator light capability. Its compact, efficient motor is built for long service life and operates silently with minimal vibration. Anti-airlock protection helps support consistent pumping, while the easy-clean snap-lock strainer allows convenient access for routine cleaning and maintenance.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eBuilt for marine applications, the Rule 1500 includes ignition protection, rust and corrosion protection, and marine-grade blocked wiring. The pump is designed not to burn out when run dry, adding practical protection during normal bilge maintenance and operation. It is suitable for use in boat bilges and is used by leading boatbuilders worldwide. Verify electrical and plumbing requirements before installation, including the 12V DC power connection and 1-1\/8-inch discharge outlet.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1500 GPH pumping capacity:\u003c\/strong\u003e Provides high-capacity bilge water removal for marine applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComputerized automatic operation:\u003c\/strong\u003e Eliminates the need for a separate float switch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-wire design:\u003c\/strong\u003e Allows manual override or indicator light capability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet, efficient performance:\u003c\/strong\u003e Compact motor operates silently and with minimal vibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine-ready construction:\u003c\/strong\u003e Fully submersible with ignition, rust, and corrosion protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy maintenance:\u003c\/strong\u003e Snap-lock strainer supports convenient cleaning.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Rule\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 51S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Automatic bilge pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12 Volts DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarge outlet:\u003c\/strong\u003e 1-1\/8 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Fully submersible and computerized\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e WARNING: This product can expose you to chemicals including FORMALDEHYDE (GAS) which is known to the State of California to cause cancer. For more information go to \u003ca href=\"http:\/\/P65Warnings.ca.gov\"\u003eP65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eChoose the Rule 1500 GPH Automatic Bilge Pump, Part Number 51S, for reliable automatic bilge water removal and practical marine installation features.\u003c\/p\u003e\u003cbr\u003eSEO META DESCRIPTION:\u003cbr\u003eRule 1500 GPH Automatic Bilge Pump, Part 51S, delivers quiet 12V DC pumping with computerized operation, a 1-1\/8-inch outlet, and easy cleaning.\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e1500 GPH pumping capacity for high-capacity bilge water removal\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eComputerized automatic operation without a separate float switch\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eThree-wire design for manual override or indicator light capability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eFully submersible, ignition protected, and designed for rust and corrosion protection\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSilent, vibrationless operation with a compact, efficient long-life motor\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEasy-clean snap-lock strainer with anti-airlock protection\u003c\/li\u003e\u003c\/ul\u003e\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eTruck Freight: No\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eOversized: No\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eOwners Manual Url: https:\/\/productimageserver.com\/literature\/ownersManual\/31490OM.pdf\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"Rule","offers":[{"title":"Default Title","offer_id":44881644421209,"sku":"31490","price":258.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/1818\/2489\/files\/31490XL.jpg?v=1789190963","url":"https:\/\/www.marinepartsonly.com\/products\/rule-1500-gph-automatic-bilge-pump-12v-dc-part-number-51s","provider":"Marine Parts Only","version":"1.0","type":"link"}