Watts WB PVB2 T Part of the WB Series detectable warning mat finder This 1 2 inch lead free This 1 2 inch lead free anti siphon vacuum breaker backflow preventer prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage Specifications Accuracy 2 Percent Air Valve Yes Brand Watts Buy American Act Compliant NO Case Finish Black Enamel Case Material Steel Dial Size 2 1 2 IN EAN 098268258561 Entry Style Bottom Fixing Part Does Not Apply To Product Inlet Connection Size 3 4 IN Inlet Connection Type Female Threaded Inlet Thread Type FPT Lead Free NO Manual Shutoff Yes Maximum Operating Temperature Fahrenheit 176 Minimum Temperature Fahrenheit 14 Part Number 0069786 Pressure Scale 0 to 5 PSI Ring Material Does Not Apply To Product Scale Size Does Not Apply To Product Sensing Element Yes Sensing Fluid No Series IWTG NYC Stem Shaft Material Does Not Apply To Product Temperature Range 14 to 176 degrees F Thermostat Probe Length Does Not Apply To Product Thermowell No Thermowell Type Does Not Apply To Product VR Retaining Valve No Window Material Kostil Polymer UPC 098268258561 Vandal resistant providing access through lockable doors and or a hinged lid for testing and certification purposes