Watts 909RPDA OSY GPM 2 1 2 Part of the 909RPDA Series ZA100F 8NH 2 Body Material Lead Free 2 Body Material Lead Free Copper Silicon Alloy Brand Watts Corrosion Resistant Coating No Disc Material EPDM EAN 098268329421 Gauge Option No Gauge High Pressure Reduced Pressure Range Does Not Apply To Product High Pressure Reduced Pressure Setting Does Not Apply To Product Inlet Connection Size 1 2 IN Inlet Connection Type Union Solder Inlet Thread Type Does Not Apply To Product Lead Free YES Maximum Operating Temperature Fahrenheit 180 Maximum Working Pressure BAR 20 This 1 2 inch lead free anti siphon pressure vacuum breaker backflow preventer prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage 50 Minimum Temperature Fahrenheit 33 Outlet Connection Size 2 1 2 IN Outlet Connection Type Mechanical Joint Outlet Shutoff Valve Type Outside Stem And Yoke Gate Valve Part Number 0387454 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Bronze Series 909RPDA Strainer No Technologies Does Not Apply To Product Tradename None Specification Sheet 909RPDA This assembly consists of an epoxy coated cast iron body