Vacuum Breaker Installation On Water Heater

Connect the hot and cold water lines to the nipples using unions.

Vacuum breaker installation on water heater.

Siphonage install watts series 288a vacuum breakers. 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. 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.

Many water heaters especially traditional electric ones require changes to your wiring and potentially the breaker box. The hvb is an avb and must follow the installation parameters of table 603 2. In this video we demonstrate h. It must be installed above the highest point in the system usually the highest sprinkler head or the highest slope in the yard.

Beyond a water heater permit some areas may also require either an electric or plumbing permit depending on the type of water heater. A pressure vacuum breaker is installed close to the water source before it goes into the sprinkler valves. 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. Install a listed temperature pressure relief valve in the opening on the side of the water heater.

They have a brass body construction with npt male inlet connection and a protective cap. The vacuum relief valve shall be ansi z21 22 rated and csa certified. That vacuum breaker needs to be installed about 6 inches above the top of the tank.