Watts 957 QT FS 4 Part of the 957 Series mainline adatile Specifications Backflow Preventer Type Dual Specifications Backflow Preventer Type Dual Check with Atmospheric Vent Body Finish Stainless Steel Body Material Stainless Steel Body Pattern Does Not Apply To Product Brand Watts Buy American Act Compliant NO Bypass No Cap And Tether No Disc Material Rubber EAN 098268004328 Elbow Fitting No Hazard Protection Level Non Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 3 8 IN Inlet Connection Size Metric 10 MM Inlet Connection Type Flare Joint Inlet Shutoff Valve Type No Shutoff Valve Inlet Thread Type NPT Lead Free YES Maximum Temperature Fahrenheit 140 Maximum Working Pressure BAR 10 8 BAR ArmorTek Technology Yes Brand Watts Coating Epoxy Coated Using ArmorTek Technology EAN 098268639551 Inlet Connection Size 2 1 2 IN Inlet Connection Type Female Threaded Lead Free YES Maximum Operating Temperature Fahrenheit 160 Maximum Working Pressure PSI 400 Outlet Connection Size 2 1 2 IN Outlet Connection Type Female Threaded Part Number 2GK00055 Series LFF116 Valve Style Classic Warranty Name Watts Warranty ACV ArmorTek Schematic Automatic Control Valve LFF116 Alert features available with add on sensor connection kit Specification Sheet 957 (Spanish)