Watts 3 4" x 3 4" LF7RU2 U2 Lead Free Dual Check Valve 0072221 DryConn Fine adjustment slider on top Fine adjustment slider on top of tool lets you adjust to the insulation thickness Metal cabinet for Rain Bird ESP LX Series Controllers Lead Free: YES Specifications Backflow Preventer Type Dual Check Body Finish Bronze Body Material Lead Free Brass Body Pattern Inline Brand Watts Bypass No Cap And Tether No Disc Material Santoprene EAN 098268824902 Elbow Fitting No Hazard Protection Level Non Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 3 4 IN Inlet Connection Size Metric 19 MM Inlet Connection Type Union Female Threaded Inlet Shutoff Valve Type No Shutoff Valve Inlet Thread Type NPT Lead Free YES Maximum Temperature Fahrenheit 180 Maximum Working Pressure BAR 12