Vacuum Breaker Installation On Water Heater

That vacuum breaker needs to be installed about 6 inches above the top of the tank.

Vacuum breaker installation on water heater.

Siphonage install watts series 288a vacuum breakers. Hvbs must be installed at least six inches above the ground surface. Connect the hot and cold water lines to the nipples using unions. 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. In this video we demonstrate h. Beyond a water heater permit some areas may also require either an electric or plumbing permit depending on the type of water heater. The hvb is an avb and must follow the installation parameters of table 603 2.

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. They have a brass body construction with npt male inlet connection and a protective cap. Many water heaters especially traditional electric ones require changes to your wiring and potentially the breaker box. Install a listed temperature pressure relief valve in the opening on the side of the water heater.

A pressure vacuum breaker is installed close to the water source before it goes into the sprinkler valves. It must be installed above the highest point in the system usually the highest sprinkler head or the highest slope in the yard. The vacuum relief valve shall be ansi z21 22 rated and csa certified.