WATTS INDUSTRIES 1/2" Vacuum Relief Valve

This 1/2" 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 an all brass body construction with NPT male inlet connection, and a protective cap. Maximum working pressure is 200 psi.

• Automatically vents a closed system if vacuum occurs
• Allows air to enter the system
• Relieves vacuum conditions which could siphonthe water from the system and burn out a water heater or collapse a tank

SPECIFICATIONS:

• Maximum water working pressure: 200 psi (13.8 bars)
• Maximum temperature: 250 degrees F (121 C)
• Size: 1/2" (15mm), NPT male inlet connection
• Venting capacity: 15 CFM (425 LPM)

STANDARDS:

• Design certified by AGA
• Tested and rated under ANSI Z21.22 reliefvalves and automatic gas shut-off devices
• CGA certified
• Also suitable for steam service, max pressure15 psi (103.4 kPa)

Our Return Policy

To be eligible for a return, refund or exchange, merchandise must be unused, undamaged, in its original packaging, and accompanied by the original bill of sale. If you're not satisfied that the items meet your needs, Home Hardware stores will accept the return of most regularly stocked items within 90 days of purchase. All refunds will be issued to the original method of payment.

Lumber, Building Materials, Furniture and Major Appliances return policies are subject to your local store.

Learn More