温おん水すい器き

noun

water heater; calorifier

General term for a device that heats water, such as a household water heater or a calorifier in a heating system.

• 新あたらしい温おん水すい器きを設せっ置ちしたので、お湯ゆがすぐに出でます。

  We installed a new water heater, so hot water comes out right away.