Watts 2-M2 Duo-Cloz Manual Washing Machine Shutoff Valve with Brass Body, 1/2" Brass body with copper ell dual adapters Single lever turns off both cold and hot water suppliers with the flick-of-the-finger Throttling feature minimizes the shock effect of quick closing wm solenoid valves When used properly, prevents flooding due to burst washing machine hoses by relieving the hoses of constant supply pressure Max working pressure is 150 psi and max working temperature is 180 degree f