How To: Recharge an expansion vessel in a combination boiler

Recharge an expansion vessel in a combination boiler

The expansion vessel, or expansion tank, is the small tank used in closed hot water heating systems that helps to absorb water pressure. Sometimes, though, your expansion vessel will stop working and will need to be either recharged or replaced.

Check out this video to learn step by step how to recharge an expansion vessel in a combination boiler.

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