Watts LF709 LF 2 1 2 Part of the LF709 Series snake fencing The unit includes a 17″ The unit includes a 17″ × 17″ square anti ponding top with an integrated membrane clamping flange 50 Minimum Temperature Fahrenheit 33 Outlet Connection Size 1 2 IN Outlet Connection Type Female Threaded Outlet Shutoff Valve Type Quarter Turn Ball Valve Outlet Thread Type NPT Part Number T792010 Polymer Coating No Pressure Operation Continuous Protection Type Backsiphonage Seat Material Engineered Plastic Series LF800M4QT Strainer No Technologies Freeze Detection Specification Sheet Freeze Sensor Connection Kit Specifications ArmorTek Technology Yes Backflow Preventer Type Double Check Valve Assembly Body Finish Epoxy Coated Using ArmorTek Technology Body Material Cast Iron Body Pattern Inline Brand Watts Buy American Act Compliant NO Bypass No Cap And Tether No EAN 098268437423 Elbow Fitting No Hazard Protection Level Non Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 2 1 2 IN Inlet Connection Type Flanged Joint Inlet Shutoff Valve Type No Shutoff Valve Lead Free YES Maximum Temperature Fahrenheit 110 Maximum Working Pressure BAR 12 The captured spring is accessible through a bolted cover plate