Watts 1 2 009 QT Backflow Preventer, Reduced Pressure Zone, 1 2 in FNPT, 175 psi, Bronze, 009 Series, Standard (No Strainer) AP321 Performance Rating MERV 11 Air Performance Rating MERV 11 Air Filter Capacity High Capacity Air Flow @ 300 fpm 1 Torque 0 in lb Cordless Tool Kit Contents 1 4" Hex Screwdriver Kit Screwdriver Type General Purpose Screwdriver Maximum RPM 500 Replaceable Seats for Economical Repair 180 Degrees F Manufacturer Warranty 1 yr Includes Flood Protection No Flood Protection Number of Test Ports 4 Connection Type Side 1 NPT Shut Off Valve Included Ball Valve Includes Flow Meter No Flow Meter Operating Temperature Minimum 33 Degrees F Includes Freeze Sensor No Freeze Sensor Maximum Pressure Operating 175 psi For Media Water Connection Gender Side 1 Female Connection Type Side 2 NPT Includes Strainer No Strainer Operating Temperature Maximum 180 Degrees F Hazard Protection Level High Health Hazard Backflow Preventer Type Reduced Pressure Assembly (RP) Connection Gender Side 2 Female Handle Type Tee Valve Series 9