Watts 957NRPDA OSY CFM 4 Part of the 957RPDA Series snake fence Specifications Backflow Preventer Type Vacuum Specifications Backflow Preventer Type Vacuum Breaker Body Finish Satin Chrome Body Material Lead Free Bronze Body Pattern Angle Brand Watts Bypass No Bypass Size Does Not Apply To Product Cap And Tether No Disc Material Silicone EAN 098268434125 Elbow Fitting No Hazard Protection Level Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 3 4 IN Inlet Connection Size Metric 20 MM Inlet Connection Type Female Threaded Inlet Shutoff Valve Type Quarter Turn Ball Valve Inlet Thread Type NPT Lead Free YES Maximum Temperature Fahrenheit 180 Maximum Working Pressure BAR 10 Specifications Kit Type Relief Valve Rubber Parts Kit Lead Free YES Product Group BACKFLOW KITS UPC 098268459210 06 Maximum Working Pressure PSI 175 Meter Type CFM Minimum Temperature Celsius 0 resilient seated gate valves with outside stem and yoke