When.com Web Search

Search results

1. Results From The WOW.Com Content Network

2. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   A common arrangement where hot-water space heating is employed is for a boiler also to heat potable water, providing a continuous supply of hot water without extra equipment. Appliances that can supply both space-heating and domestic hot water are called combination (or combi) boilers. Though on-demand heaters provide a continuous supply of ...

3. Storage water heater - Wikipedia

   en.wikipedia.org/wiki/Storage_water_heater

   Solar heat is clean and renewable. This is the most modern system. Increasingly, solar powered water heaters are being used. Their solar thermal collectors are installed outside dwellings, typically on the roof or walls or nearby, and the potable hot water storage tank is typically a pre-existing or new conventional water heater, or a water heater specifically designed for solar thermal.

4. Limescale - Wikipedia

   en.wikipedia.org/wiki/Limescale

   The type found deposited on the heating elements of water heaters consists mainly of calcium carbonate (CaCO 3). Hard water contains calcium (and often magnesium ) bicarbonate or similar ions. Calcium, magnesium, and carbonate ions dissolve from rocks through which rainwater percolates before collection.

5. Heating element - Wikipedia

   en.wikipedia.org/wiki/Heating_element

   Toaster with red hot heating elements. Heating elements find application in a wide range of domestic, commercial, and industrial settings: Home Appliances: Common household appliances such as ovens, toasters, electric stoves, water heaters, and space heaters rely on heating elements to generate the necessary heat for their functions.

6. Electric heating - Wikipedia

   en.wikipedia.org/wiki/Electric_heating

   Industrial water heaters may reach 2000 kilowatts. Where off-peak electric power rates are available, hot water may be stored to use when required. Minerals present in the water supply may precipitate out of solution and form a hard scale on the heating element surface, or may fall to the bottom of the tank and clog water flow.

7. Washington Suburban Sanitary Commission - Wikipedia

   en.wikipedia.org/wiki/Washington_Suburban...

   The Washington Suburban Sanitary Commission (WSSC Water) is a bi-county political subdivision of the State of Maryland [2] that provides safe drinking water and wastewater treatment for Montgomery and Prince George's Counties in Maryland except for a few cities in both counties that continue to operate their own water facilities.