Watts LF777M1 20 3 8 Part of the LF777 Series ZA100F 4NH Specifications Backflow Preventer Type Vacuum Specifications Backflow Preventer Type Vacuum Breaker Body Finish Brass Body Material Lead Free Copper Silicon Alloy Body Pattern Does Not Apply To Product Brand Watts Buy American Act Compliant NO Bypass No Bypass Size Does Not Apply To Product Cap And Tether No Disc Material Rubber EAN 098268434781 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 No Shutoff Valve Inlet Thread Type GHT Lead Free YES Maximum Temperature Fahrenheit 180 Maximum Working Pressure BAR 8 UPC 098268219340 Solid retainer cap with gasket and other damaging debris in the piping system