Johnson Pump 750GPH Auto Bilge Pump 3/4" Hose Mag Switch 12V

The Johnson Pump 750GPH Auto Bilge Pump 3/4" Hose Mag Switch 12V is a compact, all-in-one marine bilge solution designed for automatic water removal in boats of all sizes. With a 750-gallon-per-hour displacement rating and integrated electronic float switch, this 12-volt bilge pump operates without manual intervention, making it ideal for vessels that spend extended time at the dock or moored offshore. The non-clogging float mechanism responds instantly to rising water levels, delivering reliable automatic pump engagement when it matters most.

Built around Johnson Pump's proven cartridge motor design, this bilge pump features a water-cooled motor that extends service intervals and minimizes thermal stress during continuous operation. The thermoplastic pump body resists corrosion in saltwater and freshwater environments, while the compact motor/impeller integration eliminates the need for tools during routine maintenance or cartridge replacement. Meeting ISO 8849 marine standards and CE approval, the unit delivers engineering compliance expected by professional boaters and marine surveyors. The 3/4-inch hose connection accommodates standard marine bilge hose without adapter complications, and the magnetic switch mounts securely in tight engine compartments.

This pump suits weekend anglers protecting smaller fishing vessels, live-aboard cruisers managing overnight water intrusion, and serious offshore operators running multiple redundant bilge systems. The 750GPH flow rate handles moderate water ingress—from normal bilge seepage and rain accumulation—without overwhelming the electrical draw on modest 12-volt systems. Energy efficiency matters on extended cruises where battery reserve is critical; the water-cooled design prevents the thermal runaway that degrades performance in air-cooled competitors. Whether mounted in a bass boat, center console, cruising sailboat, or commercial fishing vessel, the Johnson Pump 750GPH delivers the automatic, maintenance-light operation that keeps bilge systems working 24/7 without skipper intervention.