Watts 957RPDA OSY LM 6 Part of the 957RPDA Series ZA100F 2NH Specifications ArmorTek Technology No Backflow Specifications ArmorTek Technology No Backflow Preventer Type Double Check Detector Assembly Body Finish Stainless Steel Body Material Stainless Steel Body Pattern Does Not Apply To Product Brand Watts Bypass Yes Bypass Size 3 4 IN Cap And Tether No Disc Material Does Not Apply To Product EAN 098268297256 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 Size Metric 65 MM Inlet Connection Type Flanged Joint Inlet Shutoff Valve Type Outside Stem And Yoke Gate Valve Inlet Thread Type Does Not Apply To Product Lead Free NO Maximum Temperature Fahrenheit 110 Maximum Working Pressure BAR 12 50 Minimum Temperature Fahrenheit 33 Outlet Connection Size 3 4 IN Outlet Connection Type Union Solder Outlet Thread Type Does Not Apply To Product Part Number 0009291 Series LF25AUB Z3 Standard Reduced Pressure Setting BAR 3 50 Minimum Temperature Fahrenheit 33 Outlet Connection Size 6 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 0111878 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Series 957RPDA Strainer No Technologies Does Not Apply To Product Tradename None Specification Sheet 957RPDA This 6 inch reduced pressure detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements