Watts LF909 OSY NYC FS 3 Part of the LF909 Large Series Nonwoven Fabric Specifications Body Material Ductile Iron Specifications Body Material Ductile Iron Brand Watts Buy American Act Compliant NO Class Rating 125 or 150 Control Type Lever Handle CV Rating 302 GPM Disc Material Ductile Iron EAN 098268594072 Inlet Connection Size 3 IN Inlet Connection Type Lug Lead Free YES Maximum Operating Temperature Fahrenheit 248 Maximum Working Pressure PSI 200 Minimum Temperature Fahrenheit 33 Operating Torque Dry 387 in lbs Operating Torque Wet 250 in lbs Outlet Connection Size 3 IN Outlet Connection Type Lug Part Number 0525136 Seat Material EPDM Series DBF 03 Silicone Free Yes Stem Shaft Material 416 Stainless Steel Valve Style Lug Specification Sheet DBF This 6 inch lead free reduced pressure zone assembly backflow preventer help stop the reverse flow of liquids due to backpressure or backsiphonage Specification Sheet LF909 Large (French) Features Features a flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve