Watts LF223 B U HP 3 4 Part of the LF223 Series Z100F 8NH The maximum working pressure is The maximum working pressure is 300 psi (21 bar) Specifications Backflow Preventer Type Vacuum Breaker Body Finish Cast Bronze Body Material Bronze Body Pattern Angle Brand Watts Buy American Act Compliant YES Bypass No Cap And Tether No Disc Material Silicone EAN 098268279351 Elbow Fitting No Hazard Protection Level 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 Female Threaded Inlet Shutoff Valve Type Quarter Turn Ball Valve Inlet Thread Type NPT Lead Free NO Maximum Temperature Fahrenheit 140 Maximum Working Pressure BAR 10 70 Maximum Working Pressure PSI 300 Minimum Temperature Celsius 0 Specifications Adjustable Reduced Pressure Range 50 to 145 Adjustable Reduced Pressure Range BAR 3