Watts 1 SS009 QT Backflow Preventer, Reduced Pressure Zone, 1 in FNPT, 175 psi, 316 Stainless Steel, SS009 Series G3112961 Coefficient of Friction Coefficient of Friction 24 in (2 to 6 mm) Ambient Air Temperature For Operation 13 to 158°F ( 25 to 70°C) IP Degree Of Protection IP20 IEC 60529 rear face 180 Degrees F Connection NPT Features All Wetted Valve Components Test Cocks True Line Sized Construction Allows the Check Modules to Open Further Allowing Dirt and Debris to Pass More Freely Reducing Check Fouling Flow 60 gpm Seat Material Stainless Steel Shut Off Valve Included Ball Valve Handle Material 304 Stainless Steel Operating Temperature Maximum 180 Degrees F Includes Flow Meter No Flow Meter Handle Type Tee Includes Flood Protection No Flood Protection Connection Type Side 2 NPT Operating Temperature Minimum 33 Degrees F Includes Freeze Sensor No Freeze Sensor Maximum Pressure Operating 175 psi Connection Gender Side 1 Female Connection Type Side 1 NPT Backflow Preventer Type Reduced Pressure Assembly (RP) Manufacturer Warranty 1 yr Number of Test Ports 4 Connection Gender Side 2 Female Includes Strainer No Strainer Hazard Protection Level High Health Hazard For Media Water Valve Series SS009