Watts 957RPDA OSY GPM FS 2 1 2 Part of the 957RPDA Series Geotextile dual weepholes for double drainage dual weepholes for double drainage performance 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 098268603866 Inlet Connection Size 3 IN Inlet Connection Type Lug Lead Free YES Maximum Operating Temperature Fahrenheit 176 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 0525584 Seat Material Buna N Series BF 03 Silicone Free Yes Stem Shaft Material Stainless Steel Valve Style Lug Specification Sheet BF 03 M2 This backflow assembly contains a flood sensor with SentryPlus Alert® technology to detect excessive water discharges from the relief valve 50 Minimum Temperature Fahrenheit 33 Outlet Connection Size 2 1 2 IN Outlet Connection Type Grooved Joint Outlet Shutoff Valve Type Outside Stem And Yoke Gate Valve Outlet Thread Type Does Not Apply To Product Part Number F111626 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material EPDM Series 957RPDA Strainer No Technologies Flood Detection Tradename None Specification Sheet 957RPDA