Watts LFN9 3 8 Part of the LFN9 Series ZC100F 3NH Heavy duty frame with four corner grate Heavy duty frame with four corner grate lock down to handle dynamic loads Z668 4NH TS Specifications Backflow Preventer Type Dual Check with Atmospheric Vent Body Finish Brass Body Material Lead Free Brass Body Pattern Inline Brand Watts Buy American Act Compliant NO Bypass No Cap And Tether No Disc Material Rubber EAN 098268434842 Elbow Fitting No Hazard Protection Level Non Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 3 8 IN Inlet Connection Size Metric 10 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 8 such as parlor sinks