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[[Black tea]] is typically steeped at {{convert|95|C|F}}
[[Black tea]] is typically steeped at {{convert|95|C|F}}
while [[green tea]] is steeped at under {{convert|80|C|F}}. A number of thermo pot models offer an adjustable target temperature.<ref>{{cite web|url=http://www.gourmetretailer.com/article-the_tide_in_tea-7129.html|title=The Tide in Tea - Features - Gourmet Retailer Magazine|publisher=|quote=As tea drinkers become increasingly sophisticated, so too do the equipment and brewing techniques for this aromatic beverage. A number of companies [offer] precision temperature control}}</ref>
while [[green tea]] is steeped at under {{convert|80|C|F}}. A number of thermo pot models offer an adjustable target temperature.<ref>{{cite web|url=http://www.gourmetretailer.com/article-the_tide_in_tea-7129.html|title=The Tide in Tea - Features - Gourmet Retailer Magazine|publisher=|quote=As tea drinkers become increasingly sophisticated, so too do the equipment and brewing techniques for this aromatic beverage. A number of companies [offer] precision temperature control}}</ref>

==History==
The person who invented the electric [[water heater]] was by English decorative painter Benjamin Maughan, around 1850 with an experiment that was created in which both water and bath, on the underneath side, were heated by gas jets. However in 1868 invented the first instant water heater called "The Geyser", a device where the water was heated as it flowed into the bath. <ref>{{Cite web |url=waterheaterpros.com/water-heater-history |title=Water Heater History}}</ref><ref>{{Cite web |url=https://www.thegentlemenplumberslethbridge.com/lethbridge-help-how-the-hot-water-heater-came-to-be |title=How the Hot Water Heater Came to Be |last= Brham |first=Trim |website=The Gentlemen Plumbers}}</ref>

Maughn's invention influenced the designs of a Norwegian mechanical engineer by the name of [[Edwin Ruud]], who later immigrated to Pittsburg. Ruud who invented the electric water heater (automatic storage) in 1889, founded the Ruud Manufacturing Company, which is still in operation today, and pioneered the advancement of water heaters where both are sold on both the residential and commercial market.<ref>{{Cite web |url=https://www.thegentlemenplumberslethbridge.com/lethbridge-help-how-the-hot-water-heater-came-to-be |title=How the Hot Water Heater Came to Be |last= Brham |first=Trim |website=The Gentlemen Plumbers}}</ref>


==Components==
==Components==
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[[Category:Home appliances]]
[[Category:Home appliances]]
[[Category:Boilers (cookware)]]
[[Category:Boilers (cookware)]]
[[Category:English inventions]]

Revision as of 04:43, 4 September 2017

Japanese Zojirushi brand "Thermo Pot" electric kettle hot water dispensers
Wall mounted, unpressurized electric boiler with 5 liters maximum capacity

An electric water boiler, also called a thermo pot, is a consumer electronics small appliance used for boiling water[1][2] and maintaining it at a constant temperature. It is typically used to provide an immediate source of hot water for making tea,[1] hot chocolate, coffee,[1] instant noodles, or baby formula, or for any other household use where clean hot water is required. They are a common component of Japanese kitchens and the kitchens of many East Asian countries but are found in varying use globally. Some thermo pots are designed with a feature that can purify water.[3]

Black tea is typically steeped at 95 °C (203 °F) while green tea is steeped at under 80 °C (176 °F). A number of thermo pot models offer an adjustable target temperature.[4]

History

The person who invented the electric water heater was by English decorative painter Benjamin Maughan, around 1850 with an experiment that was created in which both water and bath, on the underneath side, were heated by gas jets. However in 1868 invented the first instant water heater called "The Geyser", a device where the water was heated as it flowed into the bath. [5][6]

Maughn's invention influenced the designs of a Norwegian mechanical engineer by the name of Edwin Ruud, who later immigrated to Pittsburg. Ruud who invented the electric water heater (automatic storage) in 1889, founded the Ruud Manufacturing Company, which is still in operation today, and pioneered the advancement of water heaters where both are sold on both the residential and commercial market.[7]

Components

An electric water boiler consists of a water reservoir with a heating element at the bottom. Some models offer multiple temperature settings. Other models are part of larger water systems that boil water and provide hot, cold, and lukewarm water. Water may be dispensed in various ways, e.g. by pouring, an electric pump or by pressing a large button that functions as a diaphragm pump. Electric water boilers have a built in thermostat that detects when water has reached its boiling point of 100 °C (212 °F) to automatically shut off[citation needed].

Sedimentation

Sedimentation is the accumulation within the water reservoir of natural minerals that exist in trace amounts in municipal water mains, mainly calcium carbonate. Heating the water causes the minerals to separate and fall to the bottom of the reservoir. This buildup can eventually create a variety of noises in gas boilers, reduce the efficiency of the unit and give rise to a sulfur (or rotten-egg) smell. Vinegar has been used to descale electric kettles.[8]

See also

References

  1. ^ a b c Max Cryer (8 October 2010). The Godzone Dictionary: Of Favourite New Zealand Words and Phrases. ReadHowYouWant.com. p. 64. ISBN 978-1-4587-7952-6. Retrieved 2014-03-25.
  2. ^ Leon Reznik (21 August 1997). Fuzzy Controllers Handbook: How to Design Them, How They Work. Newnes. p. 10. ISBN 978-0-08-050716-3. Retrieved 2014-03-25.
  3. ^ Matsushita Electric Corporation of America (1992). Annual report.
  4. ^ "The Tide in Tea - Features - Gourmet Retailer Magazine". As tea drinkers become increasingly sophisticated, so too do the equipment and brewing techniques for this aromatic beverage. A number of companies [offer] precision temperature control
  5. ^ [waterheaterpros.com/water-heater-history "Water Heater History"]. {{cite web}}: Check |url= value (help)
  6. ^ Brham, Trim. "How the Hot Water Heater Came to Be". The Gentlemen Plumbers.
  7. ^ Brham, Trim. "How the Hot Water Heater Came to Be". The Gentlemen Plumbers.
  8. ^ Christopher Goodall (4 May 2012). How to Live a Low-Carbon Life: The Individual's Guide to Stopping Climate Change. Routledge. p. 157. ISBN 978-1-136-56406-2. Retrieved 2014-03-25.

Further reading

  • Media related to Kettles at Wikimedia Commons