Vacuum Breaker Installation On Water Heater

A hose connection vacuum breaker should be installed on each faucet or hose bibb that is connected to the potable water supply to prevent backflow into the water supply.

Vacuum breaker installation on water heater.

Pressure zone assemblies strainers test kits vacuum breakers. Hvbs must be installed at least six inches above the ground surface. 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. The hvb is an avb and must follow the installation parameters of table 603 2.

Many water heaters especially traditional electric ones require changes to your wiring and potentially the breaker box. 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. It must be installed above the highest point in the system usually the highest sprinkler head or the highest slope in the yard. They have a brass body construction with npt male inlet connection and a protective cap.

In this video we demonstrate h. Siphonage install watts series 288a vacuum breakers. That vacuum breaker needs to be installed about 6 inches above the top of the tank. A pressure vacuum breaker is installed close to the water source before it goes into the sprinkler valves.

Install a listed temperature pressure relief valve in the opening on the side of the water heater. The vacuum relief valve shall be ansi z21 22 rated and csa certified. Connect the hot and cold water lines to the nipples using unions.