The Vevor 12V diaphragm pump delivers up to 3.5 GPM at 50 PSI for reliable on-demand water flow in RVs, boats, campers, food trucks, and similar applications. Its adjustable pressure switch supports a 40 to 100 PSI range and automatically starts and stops with faucet use. The pump features a pure copper motor, quiet operation, and standard 1/2" MNPT inlet and outlet connections for easy replacement. Built-in overheat and overload protection, dry-run capability, and a check valve bypass switch help support dependable long-term performance.