Add Yahoo as a preferred source to see more of our stories on Google. Man fixing water heater tank - Grustock/Shutterstock If you love a good, hot soak in the bath or a steamy shower, you probably ...

When a water heater is connected to a closed system, an expansion tank must be installed to prevent excessive pressure in the water. To help understand what this is all about, please read on. Why most ...

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 ...

Why does the water heater in my new house have another small tank hanging off the side of the pipe above it? That is an expansion tank installed on the water supply pipe to the water heater. Its ...

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.

A: Sounds like you have a good plumber, or he or she may just be following new local codes. When water is heated it expands, and if there is no place for the expanded water to go it may cause the ...