Watts LF7RU3 2 3 4 X 3 4 Part of the LF7R Series oscp cast iron ADA pads Durable stakes help anchor the Durable stakes help anchor the channel to the trench bed prior to backfilling and are an alternative to rebar or wood stakes Drainage doesn't have to be drab 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 098268005721 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 Male Threaded Inlet Shutoff Valve Type No Shutoff Valve Inlet Thread Type NPT Lead Free YES Maximum Temperature Fahrenheit 180 Maximum Working Pressure BAR 12 The minimum working pressure is 10 psi (69 kPa) and maximum working pressure is 175 psi (12 bar)