Prevents dangerous back-siphonage and backflow into a potable water supply. All-Brass construction with threaded connections, disc, rubber washer, and steel set screw. The V-3 is equipped with a protruding tip device for manual draining of faucet (after hose removal) preventing freezing. Maximum pressure is 125 psi; maximum temperature is 180 F (82 C). The V-3 is available chrome-plated (V-3C) on special order.
NOTE: THESE UNITS ARE NOT INTENDED FOR USE WHERE WATER CONTAMINATION COULD OCCUR AS A RESULT OF DRAINING OR FOR PERMANENT CONTINUOUS-PRESSURE INSTALLATION. FOR CONTINUOUS-PRESSURE SYSTEMS INSTALL THE BFP DESCRIBED HERE.
For use around homes, schools, commercial buildings, laboratories, or any place involving moveable hoses attached to threaded faucets, indoors or out.
The V-3 and V-3C are certified to ASSE 1011 and CSA B64.2, listed by IAPMO.