Jabsco ParMax 3 Diaphragm Pump 1/2 Inch 24V – 31395-4024-3A

The Jabsco Par‑Max 3 is a reliable 24 V freshwater pressure pump designed for marine, RV, and motorhome water systems, delivering on‑demand water to sinks, showers, and multiple outlets in compact mobile environments. It’s especially suited to freshwater distribution where consistent flow and pressure are needed.

This pressure‑controlled diaphragm pump provides approximately 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 start/stop operation. Its Santoprene diaphragm with EPDM check valves ensures long life, while self‑priming and dry‑run capability allow flexible installation and tolerance to occasional dry running. 1/2″ (13 mm) quick‑connect straight hosebarb ports and an inline 40‑mesh strainer make plumbing straightforward, and vibration‑dampening mounts help ensure quiet, smooth performance.