Watts 909RPDA OSY GPM 2 1 2 Part of the 909RPDA Series ZA100F 8NH Durable Dura Coated cast iron construction Durable Dura Coated cast iron construction for long service life in exposed environments 2 Body Material Lead Free Copper Silicon Alloy Brand Watts Corrosion Resistant Coating No Disc Material EPDM EAN 098268329421 Gauge Option No Gauge High Pressure Reduced Pressure Range Does Not Apply To Product High Pressure Reduced Pressure Setting Does Not Apply To Product Inlet Connection Size 1 2 IN Inlet Connection Type Union Solder Inlet Thread Type Does Not Apply To Product Lead Free YES Maximum Operating Temperature Fahrenheit 180 Maximum Working Pressure BAR 20 captured spring check valves This assembly consists of an epoxy coated cast iron body