The high pressure capability of the Jabsco Par-Max Plus Water Pressure Pump provides exceptional flow and consistent water pressure to easily handle the demand of multiple outlets. Includes soft rubber mounts and quick-connect fittings for easy installation. The patented Par-Max Plus co-injected molded diaphragm and larger, heavier duty motor brushes significantly extend pump life up to 50% longer than existing Jabsco Par-Max diaphragm pumps. It's manufactured from corrosion-resistant materials capable of handling the harshest marine environments. 50 PSI.