Eastman 12 Inch MIP Vacuum Relief Valve Brass Plumbing Fittings 60156

VACUUM PRESSURE RELIEF VALVE: Vacuum relief valve permits air to enter and prevent vacuum conditions that could siphon the water, resulting in the collapse of a tank, water heater, or equipment burnout, CONNECTIVITY: Vacuum release valve is equipped with a 1/2 inch male iron pipe (MIP) connection, VERSATILE: Vacuum vent valve fits most standard water heater tanks, LEAD FREE: Vacuum release valve is composed of durable lead free DZR brass for long-lasting reliability, and features a black protective cap, CERTIFIED: Vacuum vent valve is CSA certified, and tested and rated to ANSI z21. 22