Wassermann 12V RV Water Pump & Tank System 4.0GPM

Upgrade your RV, boat, or off-grid water system with the Wassermann 12V RV Water Pump & Accumulator Tank System. This high-performance diaphragm pump delivers a smooth 4.0 GPM flow at 45 PSI, powered by a durable 12V DC motor compatible with any 12-volt battery. The included 0.75L pre-pressurized accumulator tank (10 PSI) minimizes pump cycling, reducing noise and wear while ensuring consistent water pressure and flow.

Built for reliability, this system features corrosion-resistant components, built-in overheating protection, and a flame-retardant pressure switch. The automatic pressure switch activates on demand, maintaining steady performance while conserving energy. Versatile and easy to install—works horizontally or vertically—the pump is ideal for RVs, boats, gardens, marine applications, and more. Ready to use out of the box, it simplifies adding or upgrading water systems with minimal setup.