what is an expansion tank on a water heater used for

what is an expansion tank on a water heater used for. There are some references to what is an expansion tank on a water heater used for in this article. If you are looking for what is an expansion tank on a water heater used for you've came to the right place. We have posts about what is an expansion tank on a water heater used for. You can check it out below.

Showing posts matching the search for what is an expansion tank on a water heater used for