As I mentioned in last week's blog post, expansion tanks are required when water in a home can't expand back into the water main. This might be caused by a check valve, a backflow preventer, or a ...

If you've had your water heater replaced in the past 10 years you've probably noticed in addition to purchasing a new water heater your plumber informed you an expansion tank or valve was needed.

Thermal expansion of water and the role of an expansion tank When a water heater is connected to a closed system, an expansion tank must be installed to prevent excessive pressure caused by thermal ...

No one ever checked the water pressure at the faucets, nor the limit on how much the expansion tank could hold. The reader believes the tank is full and says he fears that if the straps gave way, or ...

Dear James: Whenever I shut the water off quickly, there is a banging sound. I am building a new house and want the plumbing to be quiet. What can I do to stop the banging noise? — Kenny T. Dear Kenny ...