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  2. Tankless water heating - Wikipedia

    en.wikipedia.org/wiki/Tankless_water_heating

    Gas water heaters have an exhaust vent or one to two exhaust pipes on the top, and still require electric power for electronics, sensing and ignition. A three-phase, 21 kW, 400-volt tankless water heater in Europe, with new European color coding for three-phase power. There are also heaters that use several single-phase circuits instead.

  3. Heat trap - Wikipedia

    en.wikipedia.org/wiki/Heat_trap

    Heat traps are valves or loops of pipe on the cold water inlet and hot water outlet of water heaters. The heat traps allow cold water to flow into the water heater tank, but prevent unwanted convection and heated water to flow out of the tank. [ 1][ 2] Newer water heaters have built-in heat traps.

  4. Thermosiphon - Wikipedia

    en.wikipedia.org/wiki/Thermosiphon

    Thermosiphon. Thermosiphon (or thermosyphon) is a method of passive heat exchange, based on natural convection, which circulates a fluid without the necessity of a mechanical pump. Thermosiphoning is used for circulation of liquids and volatile gases in heating and cooling applications such as heat pumps, water heaters, boilers and furnaces ...

  5. Dealing with water weight? Why it's happening and 7 ... - AOL

    www.aol.com/news/dealing-water-weight-why...

    Exercise. Staying physically active is important to maintain fluid balance in the body and prevent water retention, the experts note. Exercise can also promote fluid loss through sweating ...

  6. Tips for troubleshooting water heater issues - AOL

    www.aol.com/tips-troubleshooting-water-heater...

    If your pilot light is off, it means your water tank isnโ€™t lit. With gas water heaters, no flame means no heat. To check your pilot light, turn the gas control knob on your heater to the setting ...

  7. Explainer-How does extreme heat affect medicines and those ...

    www.aol.com/news/explainer-does-extreme-heat...

    Extreme heat (and extreme cold) can significantly alter the effectiveness of prescription and over-the-counter drugs. Some medications can tolerate temperatures up to 86 degrees Fahrenheit (30 ...

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