Hot Water Expansion Tank Video

The Purpose of a Hot Water Expansion Tank and How To Check to See if it is Working Properly

By Mark J. Donovan

Mark Donovan of discusses hot water expansion tanks, including their purpose, and how to determine if they are working properly in this video.

A hot water expansion tank plays an integral role in your hot water heating system and domestic hot water system. It prevents the build up of pressure in your hot water pipes due to thermal expansion or from water hammer.

Mark discusses how to determine if a hot water expansion tank is operating correctly.

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