hot water heater

English

Alternative forms

• hot-water heater, hotwater heater

Noun

hot water heater (plural hot water heaters)

1. An apparatus, usually fuel-burning, electric or solar-powered, in which water is heated to be used directly as domestic hot water or process hot water (but not for supplying space heating, calorifiers etc, for which a boiler or furnace is used).
   • 1977, Kaiman Lee, Encyclopedia of Energy-Efficient Building Design: 391 Practical Case Studies:

     This [warm-air heated] house has a supplemental electric hot water heater and an oil furnace.

   • 2003, Blair Allen, Julie Jones Lloyd Kahn, Septic System Owner's Manual:

     This system has an insulated 5-gallon electric hot water heater directly under the sink.

   • 2004, Black & Decker, The Complete Photo Guide To Home Repair:

     It's a good idea to insulate at least the first ten feet of the hot- and cold-water lines coming out of the hot water heater.

   • 2004, Mohammad A Malek, Power Boiler Design, Inspection, and Repair:

     A hot water heater is a potable water boiler in which the operating pressure does not exceed 160 psi and/or temperature does not exceed 210 °F.

Usage notes

• Some people object to the use of the term hot water heater and prefer simply water heater, since water that is already hot does not require heating.

Translations

apparatus in which water is heated for domestic hot water

• Chinese:

  Mandarin: 熱水器 / 热水器 (zh) (rèshuǐqì)

• Finnish: käyttövedenlämmitin
• French: chauffe-eau (fr) m
• German: Warmwasserspeicher m, Boiler (de) m
• Japanese: 給湯器 (ja) (kyūtōki)
• Polish: podgrzewacz wody m, piecyk gazowy m, piecyk elektryczny m, boiler (pl) m, terma (pl) f
• Russian: водонагрева́тель (ru) m (vodonagrevátelʹ), водоподогрева́тель (ru) m (vodopodogrevátelʹ)
• Urdu: گِیزَر m (gīzar)

See also

• boiler
• geyser