Watts 405 RW 10 Part of the 405 NRS RW Series Z100F 3NH This 1 inch lead free This 1 inch lead free reduced pressure zone backflow preventer assembly is designed to prevent the flow 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 Relief Valve Diaphragm 1 flanged connections Specifications Body Material Cast Iron Body Pattern Straight Bonnet Type Flanged Brand Watts Buy American Act Compliant NO Class Rating 125 Control Type Cross Handwheel EAN 098268087161 Epoxy Coating Type Standard Inlet Connection Size 10 IN Inlet Connection Size Metric 250 MM Inlet Connection Type Flanged Joint Inlet Thread Type Does Not Apply To Product Lead Free YES Maximum Pressure PSI 200 Maximum Temperature Fahrenheit 140 Outlet Connection Size 10 IN Outlet Connection Type Flanged Joint Outlet Thread Type Does Not Apply To Product Part Number 0700108 Series 405 NRS RW Stem Shaft Material Stainless Steel Stem Type Non Rising Valve Style NRS WOG Rating 200 PSI Specification Sheet 405 NRS RW