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2. Pleuger - Wikipedia

   en.wikipedia.org/wiki/Pleuger

   Pleuger Industries was founded in 1929 by Friedrich Wilhelm Pleuger, when he invented glandless motor as a replacement to the borehole shaft and piston pumps. [12] [13] Since water was used to lubricate and cool the bearings of the wet rotor motor, the patent was regarded particularly ecologically benign and effective at the time. In contrast ...

3. Abendroth & Root Manufacturing Co - Wikipedia

   en.wikipedia.org/wiki/Abendroth_&_Root...

   It was known for manufacturing the Root Water Tube Boiler and was noted for supplying the Philadelphia Edison Electric Light Company with 3,500 horsepower of boilers. [1] It entered the automobile business in 1906. Using the name Frontenac, [note 1] they catered to the upper middle class, featuring large-displacement four-cylinder engines. Only ...

4. Rheem Manufacturing Company - Wikipedia

   en.wikipedia.org/wiki/Rheem_Manufacturing_Company

   At the end of 2014, Rheem acquired Eemax Inc., a tankless water heater manufacturer. [36] In 2017, Rheem purchased Grupo Industrial Saltillo’s (GIS) water heating business. [37] In January 2022, DEJONG, an independent manufacturer and supplier of stainless steel hot water tanks headquartered in the Netherlands, was acquired from Nordian ...

5. Undertank heater - Wikipedia

   en.wikipedia.org/wiki/Undertank_heater

   The hot zone is just above the heater; the opposite zone, the cold zone, is where the live food and the water bowl would be placed. A substrate between the pad and the tank is necessary, as is a thermostat or rheostat to prevent it from overheating and burning the animals. Malfunction in an under tank heater could result in higher temperatures ...

6. Aquarium heater - Wikipedia

   en.wikipedia.org/wiki/Aquarium_heater

   An aquarium heater is a device used in the fishkeeping hobby to warm the temperature of water in aquariums. [1] Most tropical freshwater and marine aquariums are maintained at temperatures that range from 22 to 30 °C (72 to 86 °F). [1] [2] [3] The types include glass immersion heaters and undergravel heating. There are also heating mats that ...

7. 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 ...