Watts 957ZRPDA OSY GPM 4 Part of the 957RPDA Series ZC100F 2NH Specifications ArmorTek Technology No Backflow Specifications ArmorTek Technology No Backflow Preventer Type Reduced Pressure Zone Assembly Body Finish Bronze Body Material Bronze Body Pattern Inline Brand Watts Bypass No Bypass Size Does Not Apply To Product Cap And Tether No Disc Material Silicone EAN 098268350197 Elbow Fitting No GDS Status Registered Hazard Protection Level Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 1 1 2 IN Inlet Connection Size Metric 40 MM Inlet Connection Type Female Threaded Inlet Shutoff Valve Type Quarter Turn Ball Valve Inlet Thread Type NPT Lead Free NO Maximum Temperature Fahrenheit 180 Maximum Working Pressure BAR 12 1 2 IN Watts Model WTD Specification Sheet Flood Sensor Connection Kit Watts Patented torsion spring check modules for ease of serviceability