Watts 957 OSY GXG FS 8 Part of the 957 Series Access Tile This lead free pressure relief This lead free pressure relief valve has a 2 inch NPTF female inlet and outlet and a 135 psi pressure relief setpoint Specifications Backflow Preventer Type Dual Check with Atmospheric Vent Body Finish Stainless Steel Body Material Stainless Steel Body Pattern Does Not Apply To Product Brand Watts Buy American Act Compliant NO Bypass No Cap And Tether No Disc Material Rubber EAN 098268004496 Elbow Fitting No Hazard Protection Level Non Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 1 4 IN Inlet Connection Size Metric 8 MM Inlet Connection Type Male Threaded Inlet Shutoff Valve Type No Shutoff Valve Inlet Thread Type NPT Lead Free YES Maximum Temperature Fahrenheit 140 Maximum Working Pressure BAR 10 10 Maximum Working Pressure PSI 175 Meter Type No Meter Minimum Temperature Celsius 0 When activated through an add on sensor connection kit