Pressure Reducing Valve; Type Spring Operated; Applicable Standard ASSE 1003; Actuation Type Automatic, Diaphragm; Nominal Size 1/2"-14 TPI; End Connection Threaded x Threaded; End to End Distance 3-9/16"; Body Material Forged Brass; Standard Factory Setting 12 PSI; Strainer Supplied Yes; Temperature Rating 210 Deg F; Pressure Rating 250 PSI; Inclusions/Features Integral Strainer, Set Pressure Indicator; Application Hydronic Heating System; Warranty 1 Year from Date of Start-Up/18 Month from the Date of Shipment