This can be a problem in any closed system where water is heated.
Water heater expansion tank installation diagram.
Two tankless water heaters of like models shall be installed in a parallel.
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.
Consult with local building officials prior to installation.
If you have more questions about water heater expansion tanks please give us a call or fill out the form below.
If you have more questions about water heater expansion tanks please give us a call or fill out the form below.
Shut off power supply and cold water supply to the water heater.
This must be left open to prevent vacuum build up in the water heater.
Drain water from the water heater by opening a faucet or other fixture.
How an expansion tank works.
A water heater expansion tank can often be replaced without having to replace your entire system.
An expansion tank can help your water heater last longer and it may even be required in some circumstances.
Install the wh or whv tank as shown by teeing into the the.
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.