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2. Water dispenser - Wikipedia

   en.wikipedia.org/wiki/Water_dispenser

   Bottled water dispensers typically use 11- or 22-liter (5- or 10-gallon) dispensers commonly found on top of the unit. Pressure coolers are a subcategory of water dispensers encompassing drinking water fountains and direct-piping water dispensers. Water cooler may also refer to a primitive device for keeping water cool. [1]

3. Pump - Wikipedia

   en.wikipedia.org/wiki/Pump

   3.3.1.4 Electric submersible (centrifugal) 4 Specifications. 5 Pumping power. 6 Efficiency. 7 Minimum flow protection. ... A hydraulic ram is a water pump powered by ...

4. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   An 80 US gal (300 L; 67 imp gal) electric storage tank water heater was able to have a minimum energy factor of 86% under the pre-2015 standard, while under the 2015 standard, the minimum energy factor for an 80-gallon electric storage tank water heater is now 197%, which is only possible with heat pump technology. This rating measures ...

5. Comparison of pumps - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_pumps

   Different types of pumps are suitable for different applications, for example: a pump's maximum lift height also determines the applications it can be used for. Low-lift pumps are only suitable for the pumping of surface water (e.g., irrigation, drainage of lands, ...), while high-lift pumps allow deep water pumping (e.g., potable water pumping ...

6. Electric water boiler - Wikipedia

   en.wikipedia.org/wiki/Electric_water_boiler

   Japanese Zojirushi brand "Thermo Pot" electric kettle hot water dispenser Wall mounted, unpressurized electric boiler with 5 liters maximum capacity. An electric water boiler, also called a thermo pot or tea urn [1] in British English, is a consumer electronics small appliance used for boiling water [2] [3] and maintaining it at a constant temperature in an enclosed reservoir.

7. Water pumping - Wikipedia

   en.wikipedia.org/wiki/Water_pumping

   The coil pump, if fitted with a suitable rotating seal, can deliver water to a greater height, typically 5-10m, above their discharge opening. [2] Despite the emergence of new pumps that operate on other principles, the coil pump remains an important tool as some of it other benefits are that they can be built and repaired easily at a very low ...