Watts 957 OSY FS 6 Part of the 957 Series ZA100F 2NH This galvanized steel drain cover This galvanized steel drain cover has an NDS Class A load rating (pedestrian traffic only when properly installed and is ADA compliant The post pour adjustable round heel proof stainless steel strainer includes an integrated bubble level and leveling shims for accurate installation even after concrete placement Specifications ArmorTek Technology No Backflow Preventer Type Reduced Pressure Zone Assembly Body Finish Stainless Steel Body Material Stainless Steel Body Pattern Inline Brand Watts Bypass No Bypass Size Does Not Apply To Product Cap And Tether No Disc Material Silicone EAN 098268479348 Elbow Fitting No Hazard Protection Level Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 6 IN Inlet Connection Size Metric 150 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 Yes Maximum Temperature Fahrenheit 140 Maximum Working Pressure BAR 12 This extremely compact and lighter than a traditional designed assembly is approved for horizontal installation as long as the backflow assembly is installed in accordance with the direction of the flow arrow