Watts 77F CSSI 2 1 2 Part of the 77F CSSI Series Z100F 8NH and a heel proof nickel bronze and a heel proof nickel bronze strainer Specifications Backflow Preventer Type Dual Check Body Finish Bronze Body Material Lead Free Bronze Body Pattern Inline Brand Watts Bypass No Cap And Tether No Disc Material Silicone EAN 098268638691 Elbow Fitting No Hazard Protection Level Non Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 1 1 4 IN Inlet Connection Size Metric 32 MM Inlet Connection Type Female Threaded Inlet Shutoff Valve Type No Shutoff Valve Inlet Thread Type NPT Lead Free YES Maximum Temperature Fahrenheit 140 Maximum Working Pressure BAR 11 It comes complete with a bolted screen retainer cover and non asbestos gasket is used in liquid and steam applications