House Digest on MSN

What Is A Water Heater Expansion Tank & How Do You Know If You Need One?

If you love a good, hot soak in the bath or a steamy shower, you probably have your water heater to thank. Water heaters are ...
Star Tribune

Thermal expansion of water and the role of an expansion tank

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 ...