Vacuum Breaker Installation On Water Heater

Many water heaters especially traditional electric ones require changes to your wiring and potentially the breaker box.

Vacuum breaker installation on water heater.

In this video we demonstrate h. Hvbs must be installed at least six inches above the ground surface. Install a listed temperature pressure relief valve in the opening on the side of the water heater. The hvb is an avb and must follow the installation parameters of table 603 2.

The vacuum relief valve shall be ansi z21 22 rated and csa certified. Standards tested and rated to ansi z21 22 csa certified specifications a watts model n36 m1 vacuum relief valve shall be installed on domestic hot water supply tanks heaters unit heaters steam kettles as indicated on plans. Pressure zone assemblies strainers test kits vacuum breakers. Beyond a water heater permit some areas may also require either an electric or plumbing permit depending on the type of water heater.

It needs to be installed after the cold water shutoff into the heater. Vacuum breakers provide a simple dependable way to relieve unwanted vacuum which may develop in a closed vessel or pipeline. A pressure vacuum breaker is installed close to the water source before it goes into the sprinkler valves. Series n36 water service vacuum relief valves are used in water heater tank applications to automatically allow air to enter into the piping system to prevent vacuum conditions that could siphon the water from the system and damage water heater tank equipment.

They have a brass body construction with npt male inlet connection and a protective cap. Siphonage install watts series 288a vacuum breakers. Connect the hot and cold water lines to the nipples using unions.