Water Heater Expansion Tank Installation Diagram

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Water heater expansion tank installation diagram. How an expansion tank works. In a closed plumbing system a standard tank water heater can stress your plumbing pipes and fixtures through the normal thermal expansion that happens when water is heated. This must be left open to prevent vacuum build up in the water heater. This can be a problem in any closed system where water is heated.

Two tankless water heaters of like models shall be installed in a parallel. Drain water from the water heater by opening a faucet or other fixture. Shut off power supply and cold water supply to the water heater. Both water heaters and boilers for home heating systems can be prone to this kind of damage unless measures are taken to prevent it.

Install the wh or whv tank as shown by teeing into the the. Responsible for any water damage in connection with this expansion tank. Legend tankless water heater remote control ez link cable expansion tank circulation pump small 10 15 gallon point of use water heater ez link manifold installation and optional return circulation. Water expands as it heats up and without an expansion tank attached to the water heater a closed plumbing system can experience damage from this thermal expansion for example when water is heated from the temperature of 50 to 120 degrees fahrenheit the.

An expansion tank can help your water heater last longer and it may even be required in some circumstances.