Watts LF777M3 40 2 Part of the LF777 Series mainline siltfence This 1 inch double check This 1 inch double check valve backflow preventer assembly is designed to prevent the backflow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements 00 Minimum Temperature Fahrenheit 33 Outlet Connection Size 3 4 IN Outlet Connection Type Female Threaded Outlet Shutoff Valve Type No Shutoff Valve Outlet Thread Type NPT Part Number 0792058 Polymer Coating No Pressure Operation Non Continuous Protection Type Backsiphonage Series LF288A Strainer No Technologies Does Not Apply To Product Specification Sheet LF288A Specifications Blowdown Outlet Connection Female Threaded Body Material Lead Free Cast Copper Silicon Alloy Body Pattern Wye Brand Watts Buy American Act Compliant NO EAN 098268664492 Gasket Material Garlock Inlet Connection Size 2 IN Inlet Connection Size Metric 50 MM Inlet Connection Type Female Threaded Inlet Thread Type NPT Lead Free YES Outlet Connection Size 2 IN Outlet Connection Type Female Threaded Outlet Thread Type FPT Part Number 0123119 Retainer Cover Material Lead Free Copper Silicon Alloy Retainer Cover Type Gasketed Cap Screen Material Stainless Steel Screen Size 40 MESH Series LF777 Strainer Type Wye Specification Sheet LF777 Wye pattern