Jabsco ParMax 3 Diaphragm Pump 1/2 Inch 12V – 31395-2512-3A

The Jabsco Par‑Max 3 is a compact, dependable 12 V freshwater pressure pump designed for marine, RV, and motorhome use, ideal for delivering consistent on‑demand water to sinks, showers, and multiple outlets in mobile environments. It’s perfectly suited to freshwater systems where reliable flow and pressure are essential.

Built for smooth, automatic operation, the Par‑Max 3 delivers approximately 11 L/min (3 GPM) open flow and has a max operating pressure of 25 PSI (1.7 bar). It includes an integrated sealed pressure switch that starts and stops the pump based on demand. Its three‑chamber Santoprene diaphragm and EPDM check valves ensure durability, while self‑priming and dry‑run capability provide installation flexibility and protection against brief dry operation. 1/2″ (13 mm) quick‑connect hosebarb ports with inline strainer make plumbing straightforward, and vibration‑dampening mounts help keep operation quiet and smooth.