Watts 909RPDAM1 LF CFM 8 Part of the 909RPDA Series Window Well Cover Specifications Backflow Preventer Type Dual Specifications Backflow Preventer Type Dual Check with Atmospheric Vent Body Finish Brass Body Material Lead Free Brass Body Pattern Inline Brand Watts Bypass No Cap And Tether No Disc Material Rubber EAN 098268028508 Elbow Fitting No GDS Status Registered Hazard Protection Level Non Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 1 2 IN Inlet Connection Size Metric 15 MM Inlet Connection Type Union Female Threaded Inlet Shutoff Valve Type No Shutoff Valve Inlet Thread Type NPT Lead Free YES Maximum Temperature Fahrenheit 250 Maximum Working Pressure BAR 12 This kit consist of a disc assembly replaceable seats Maximum flow at low pressure drop