: an apparatus for heating and usually storing hot water (as for domestic use)
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Another 15 rodent droppings were behind a storage area water heater.—David J. Neal, Miami Herald, 5 Apr. 2026 Other features that fill out the preliminary spec sheet include a reverse-cycle A/C-heating system, water heater, 80-L fresh and gray water tanks, and an outdoor shower.—New Atlas, 29 Mar. 2026 Virtual power plants already coordinate millions of residential devices — thermostats, water heaters, home batteries — to shift consumption during peak hours~~, providing gigawatts of dispatchable capacity~~.—Brian Barlow, Fortune, 28 Mar. 2026 Representatives of Sunshine Kitchen said the water heater is currently being repaired, and the restaurant will open again once they are reinspected.—Sacbee.com, 20 Mar. 2026 See All Example Sentences for water heater