Store LocatorStore Locator

WATTS INDUSTRIES 1/2" Vacuum Relief Valve

1 Reviews

Item: #3284-653

Model: #13-8456


Product Overview


Description

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 siphon the 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 relief valves and automatic gas shut-off devices
  • CGA certified
  • Also suitable for steam service, max pressure 15 psi (103.4 kPa)

Our Return Policy

If you are not completely satisfied with your purchase, in most cases, you can return it for a refund within 90 days.

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

Learn More
Specifications
Model 138456
Brand WATTS INDUSTRIES
Package Weight 0.25 lbs
Package Length 2.80 in
Package Width 4.00 in
Package Height 6.50 in
Customer Reviews

5
5 out of 5
1 Reviews
5 star
1
4 star
0
3 star
0
2 star
0
1 star
0
Questions & Answers

Inspiration is always handy

© 2018 Home Hardware Stores Limited. All rights reserved.