Watts 1 SS009 QT Backflow Preventer, Reduced Pressure Zone, 1 in FNPT, 175 psi, 316 Stainless Steel, SS009 Series G3112961 5 msec from Line to 5 msec from Line to Battery and 25 inch lengths 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 Check and Relief Valve Seats are Replaceable without the Use of Special Tools