Many water heaters feature an expansion tank to protect the system. Here's what a water heater expansion tank does and how ...

It generally costs between $50 and $150 to install a water heater expansion tank. If your hot water tank and the water heater expansion tank are in an easily accessible location, the job will ...

Expansion tanks come with price tags ranging from $40 to $60. Pipe cutters can cost as little as $10 or as much as $100. While installing ... on the type of hot water heater.

Installing a water heater expansion tank requires knowledge of local plumbing codes, working with very hot and high-pressure ...