12V Diaphragm Water Pump 3.5GPM, 13.25L/min 3-Chamber RV Pump with Pressure Switch

【High Flow Rate & Pressure】: Delivers a consistent 3.5 GPM (13.25 L/min) flow rate with a 50 PSI preset pressure; adjustable pressure range from 40 to 100 PSI allows customization for various applications; suitable for RVs, boats, and other portable water systems 【Automatic Pressure Switch】: Features a built-in pressure switch that automatically starts the pump when a faucet is opened and stops when closed; the switch has been tested over 200,000 times ensuring reliable operation; provides on-demand water supply for convenience 【Quiet Operation & Durable Motor】: Constructed with a pure copper motor for smooth and efficient operation; plastic pump body and anti-vibration design minimizes noise levels; offering a peaceful experience during use; suitable for sensitive environments 【Safety & Protection】: Certified with CE and ROHS standards for safety and quality; equipped with overheat and overload protection to extend the pump's lifespan; supports dry running capabilities; includes a check valve bypass switch for continuous water flow 【Easy Installation & Compatibility】: Equipped with standard 1/2" MNPT inlet and outlet connections for easy replacement and integration with existing plumbing systems; ideal for RVs, boats, campers, food trucks, and various water transfer applications