expansion tanks

A form of expansion tank — A small tank that is partially filled with air to protect closed water heating systems (not open to atmospheric pressure) and domestic hot-water systems from excessive pressure.

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Meanings

noun
  1. pluralplural of expansion tank
Cite this entry
APA

expansion tanks. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/expansion%20tanks

MLA

“expansion tanks.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/expansion%20tanks. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “expansion tanks,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/expansion%20tanks.

Source: expansion tanks on Wiktionary, CC BY-SA 4.0.