Jabsco ParMax 3 Diaphragm Pump 1/2 Inch 12V – 31395-4012-3A

The Jabsco Par‑Max 3 is a compact 12 V freshwater pressure pump perfect for boats, RVs, and motorhomes, delivering reliable on‑demand water to galley sinks, showers, and multiple outlets. It provides about 11 L/min (3 GPM) open flow and has a max operating pressure and cut off of 40 PSI (2.8 bar). It features an integrated sealed pressure switch for automatic operation. Built with a 3‑chamber Santoprene diaphragm and EPDM check valves, the pump is self‑priming, dry‑run capable, and includes quick‑connect 1/2″ hosebarb ports and an inline strainer for easy install and quiet, smooth performance.