Febco LF767FR 1 2 Part of the LF767FR Series ZA100F 6NH Specifications Air Precharge 12 PSI Specifications Air Precharge 12 PSI Air Valve Yes Bladder Material Butyl Brand Watts Buy American Act Compliant NO Color Gray Diameter 11 IN EAN 098268340228 Electricity Required No Fuel Gauge No Inlet Connection Size 1 2 IN Inlet Connection Size Metric 15 MM Inlet Connection Type Male Threaded Inlet Thread Type NPT Lead Free Not In Scope Liner Material Does Not Apply To Product Maximum Operating Temperature Fahrenheit 220 Maximum Working Pressure PSI 75 Mount Type Pipe Orientation Vertical Part Number 0235090 Series ETX ASF Stand Included No Tank Acceptance 2 and a no hub (MJ) outlet as the standard connection 50 Minimum Temperature Fahrenheit 33 Outlet Connection Size 1 2 IN Outlet Shutoff Valve Type Quarter Turn Ball Valve Outlet Thread Type NPT Part Number 0683027 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Noryl Plastic Series LF767FR Strainer No Specification Sheet LF767FR This 1 2 inch lead free freeze resistant pressure vacuum breaker backflow preventer prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage