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  2. Tankless water heating - Wikipedia

    en.wikipedia.org/wiki/Tankless_water_heating

    Tankless water heating. Water heaters that instantly heat water as it flows through the device. The inside of a hydraulically operated two-stage tankless heater, heated by single-phase electric power. The copper tank contains heating elements with 7.2 kW maximum power. Tankless water heaters — also called instantaneous, continuous flow ...

  3. 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 ...

  4. Triplex locomotive - Wikipedia

    en.wikipedia.org/wiki/Triplex_locomotive

    The Erie Matt H. Shay 2-8-8-8-2 Baldwin Erie P1 5016 Triplex - Shown in Exeter, PA The only 2-8-8-8-4 triplex locomotive ever built. A triplex locomotive was a steam locomotive that divided the driving force on its wheels by using three pairs of cylinders to drive three sets of driving wheels.

  5. Expansion tank - Wikipedia

    en.wikipedia.org/wiki/Expansion_tank

    An expansion tank or expansion vessel is a small tank used to protect closed water heating systems and domestic hot water systems from excessive pressure. The tank is partially filled with air, whose compressibility cushions shock caused by water hammer [ citation needed ] and absorbs excess water pressure caused by thermal expansion .

  6. Pressure tank - Wikipedia

    en.wikipedia.org/wiki/Pressure_tank

    Pressure tank. A diaphragm type pressurizer on a domestic rainwater system, with the pump and Square D pressure switch in the background. A pressure tank or pressurizer is a type of hydraulic accumulator used in a piping system to maintain a desired pressure. Applications include buffering water pressure in homes. [1]

  7. 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.

  8. New Science Could Save the Maple Syrup Industry From a ... - AOL

    www.aol.com/lifestyle/science-could-save-maple...

    Discover how scientists and sugar makers employ innovative techniques to revolutionize maple syrup production and fortify the crop against climate change.

  9. Hot water storage tank - Wikipedia

    en.wikipedia.org/wiki/Hot_water_storage_tank

    A hot water storage tank (also called a hot water tank, thermal storage tank, hot water thermal storage unit, heat storage tank, hot water cylinder, and geyser) is a water tank used for storing hot water for space heating or domestic use. Water is a convenient heat storage medium because it has a high specific heat capacity.