Simpson Dial-N-Wash 3/8 In. FNPT Female x 1/4 In. FNPT Pressure Washer Connector

Simpson Dial-N-Wash Adjustable Pressure Regulator. Rated up to 4500 psi with a maximum flow rate of 4.0 GPM and temperature of 140 Deg. F. Features a 3/8 In. FNPT hose connection and 1/4 In. FNPT outlet for lance connection. The Dial-N-Wash allows you to easily select the right pressure for your cleaning task with a simple twist. Clean hard surfaces like brick and concrete siding on its higher pressure setting, fences, decks, and wood siding on its medium setting, and delicate surfaces like boats or vehicles on its lowest pressure setting. Its hassle-free, no-tools assembly ensures effortless installation onto your gun. For cold water application only.