Water Heater Expansion Tank Location

Make sure your expansion tank is securely fastened to the wall or other support from which it is hanging.

Water heater expansion tank location.

It is used to absorb excess water pressure. If necessary the expansion tank can be installed a foot or two away from the water heater provided it is properly spliced into the cold water line. An expansion tank should be installed in conjunction with a pressure reducing valve in high pressure situations. This allows air released from the system s initial charge of water to move upward into the tank.

If you have a tankless water heater you don t have to worry about an expansion tank because you don t have a primary tank to begin with. When water is heated or a hot water faucet is turned off abruptly pressure builds from expanding water molecules. Your expansion tank can be anywhere on your plumbing system and does not need to be installed in close proximity to the water heater. This may seem like an easy question but it is also one that many people do not actively think about.

Then hang the expansion tank above the cold water supply line where it will be accessible to the horizontal part as well as the water heater. Most professional plumbers choose to replace the dielectric union with a new one when an expansion tank is added to an existing water heater. Of the water heater. Turn the water supply to the water heater off.

But functionally it can be installed anywhere on the cold inlet line. This type of expansion tank is typically suspended from the ceiling of a mechanical room. It is most commonly installed using a t at the cold inlet to the water heater. However if you have a traditional tank style water heater you will most definitely need to consider if an.

The tank can be installed anywhere in the cold water line between the house s main valve and water heater or on the hot water line within 3 ft. Expansion tanks are normally installed above the water heater on the cold water line before it enters the water heater. If you do not have a one way valve installed on the main water line and therefore do not have a closed water system you may still benefit from a water heater expansion tank. I m installing a hot water expansion tank.

Older systems often used standard expansion tanks in which air and water are in direct contact. The hot water expansion tank is a two gallon tank that hangs off of your hot water system or your boiler.