water heater; boiler; urn
Refers to a device for heating water, such as an electric urn, a pot-style water heater, or a boiler. Often used for appliances that heat and keep water hot.
We put a new water heater in the office.
I boiled water with the water heater and made coffee.
water heater; water boiler
Compound of 沸かし (continuative form of 沸かす 'to boil') + 器 ('device, vessel').