12V Marine Shower Sump Pump System For Boats & RVs - 750 GPH, Multi-Port Drain Box

Keep your boat or RV shower area dry and functional with this efficient 12V shower sump pump system. It’s designed to handle wastewater from showers, sinks, or other wet areas, pumping up to 750 gallons per hour with a max head of about 9 feet. The unit is made from durable ABS plastic and includes a removable filter mesh to catch debris, plus a cover for a clean installation. Rated for 12V DC systems (3.0A normal, 5.0A max), it’s perfect for marine and RV use where reliable drainage is a must. The outlet pipe diameter is 3/4 inch (19mm), and it comes with an 85cm (33.5 inch) power wire (18AWG). Max fluid temperature is 110°F (43°C). Installation is straightforward—mount the box in a low point, connect the drain hoses, and wire to a 12V source (with a fuse recommended). Helps prevent standing water, odors, and mold in bilge or shower compartments. Compact design fits in tight spaces. Includes pump, cover, filter mesh, and instructions. Great for DIY boat owners, RV renovators, or marine technicians. Always ensure proper venting and check local regulations for gray water discharge. Not for black water or hazardous fluids. Use with standard marine hose fittings. Reliable performance for daily use. Keep the filter clean for optimal flow. A cost-effective upgrade over older manual systems. Enjoy a drier, more comfortable onboard shower experience. Perfect for weekend cruisers or full-time liveaboards. Install in a accessible location for easy maintenance. Trust this pump to keep your bilge area clean and dry. Sail or camp with confidence knowing your shower drainage is handled!