What Does An Expansion Tank Do On A Water Heater - An expansion tank absorbs excess water pressure caused by thermal. Web an expansion tank helps relieve pressure inside the water heater by providing a space for hot water to expand. Web if you’re short on time, here’s a quick answer:
Web if you’re short on time, here’s a quick answer: An expansion tank absorbs excess water pressure caused by thermal. Web an expansion tank helps relieve pressure inside the water heater by providing a space for hot water to expand.