SHURFLO WALL MOUNT PRESSURE REGULATOR ò Quick, permanent wall mount. ò Continuous protection from high pressure surges. ò Fits standard hose fittings. ò Built in check valve. This combination water regulator and check valve with exclusive Shurflo diaphragm design provides continuous protection from high pressure surges in the city water system. Pressure limited to 65 PSI. Leak tight construction. Quick, permanent wall mount installation on walls of any thickness. Filler/Regulator, Wall Mount, with 65 PSI. White.