WATTS®, 0556030, Vacuum Relief Valve, Low Profile, Series: N36, 1/2 in Nominal, MNPT End Style, 15 psi Pressure, 250 deg F, 15 cfm Flow Rate, Brass Body, Buna-N® O-Ring/Silicon Disc Softgoods, 2 in H x 2 in W Dimensions, Import

This 1/2 inch lead free vacuum relief valve is suitable for low pressure steam and water service, and is ideal for use in domestic water heaters and supply tanks. This valve automatically allows air to enter into the piping system to prevent vacuum conditions that could siphon water from the system and damage water equipment. It consists of a lead free brass body construction with NPT male inlet connection, and a protective cap. Maximum working pressure is 200 psi.

ANSI Z21.22|CSA certified|PROP65: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm.