Watts 757DCDA PIVXOSY GPM 4 Part of the 757DCDA Series mainline adatile Specifications ArmorTek Technology No Backflow Specifications ArmorTek Technology No Backflow Preventer Type Reduced Pressure Zone Assembly Body Finish Bronze Body Material Bronze Body Pattern Inline Brand Watts Buy American Act Compliant YES Bypass No Bypass Size Does Not Apply To Product Cap And Tether No Disc Material Silicone EAN 098268351057 Elbow Fitting Yes Hazard Protection Level Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 1 IN Inlet Connection Size Metric 25 MM Inlet Connection Type Union Joint Inlet Shutoff Valve Type Quarter Turn Ball Valve Inlet Thread Type NPT Lead Free NO Maximum Temperature Fahrenheit 180 Maximum Working Pressure BAR 12 This 1 1 2 inch lead free boiler pressure relief valve is used in hot water heating and domestic supply boiler applications to protect against excessive pressures on all types of hot water heating supply boiler equipment Patented torsion spring design 5 to 60 degrees C)