water heater

noun

: an apparatus for heating and usually storing hot water (as for domestic use)

Examples of water heater in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Unfiltered water, Adams insists, leads to sediment buildup in your water heater, which shortens its lifespan and lessens its heating efficiency. Quincy Bulin, Southern Living, 3 Jan. 2026 The report also recommended increasing existing city programs meant to help residents in nearby neighborhoods stay in their homes like the priority repair program, which helps low income residents fix things like leaky roofs, air conditioning and water heater replacement. Harrison Mantas, Fort Worth Star-Telegram, 2 Jan. 2026 Connect a Garden Hose to the Drain Valve The water heater has a drain valve that is typically located at the base of the tank. Timothy Dale, Better Homes & Gardens, 31 Dec. 2025 These plans often include your kitchen appliances, laundry machines and other appliances like your water heater and garage door opener. Alora Bopray, USA Today, 29 Dec. 2025 See All Example Sentences for water heater

Word History

First Known Use

1824, in the meaning defined above

Time Traveler
The first known use of water heater was in 1824

Browse Nearby Words

Cite this Entry

“Water heater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/water%20heater. Accessed 11 Jan. 2026.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!