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  2. 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 ...

  3. Hot water reset - Wikipedia

    en.wikipedia.org/wiki/Hot_water_reset

    Hot water reset. Hot water reset, also called outdoor reset ( ODR ), is an energy-saving automatic control algorithm for heating boilers that are typically fired with fuel oil or natural gas. A hot water reset control loop measures the outside air temperature; this information is used to estimate demand or heating load as the outdoor ...

  4. Legionella - Wikipedia

    en.wikipedia.org/wiki/Legionella

    For systems with marginal issues, chlorine provides effective results at >0.5 ppm [49] residual in the hot water system. For systems with significant Legionella problems, temporary shock chlorination—where levels are raised to higher than 2 ppm for a period of 24 hours or more and then returned to 0.5 ppm—may be effective. [50]

  5. This protocol can save overheating patients. Few states ...

    www.aol.com/protocol-save-overheating-patients...

    The patient should remain in the ice bath until their body temperature falls to 102.2 degrees. Then, they can be transported to the hospital. Preparing for heat illness in a warming world

  6. Thermostatic mixing valve - Wikipedia

    en.wikipedia.org/wiki/Thermostatic_mixing_valve

    A thermostatic mixing valve (TMV) is a valve that blends hot water with cold water to ensure constant, safe shower and bath outlet temperatures to prevent scalding . The storage of water at high temperature removes one possible breeding ground for Legionella; the use of a thermostat, rather than a static mixing valve, provides increased safety ...

  7. 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 isn’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 ...

  8. Solar thermal collector - Wikipedia

    en.wikipedia.org/wiki/Solar_thermal_collector

    t. e. A solar thermal collector collects heat by absorbing sunlight. The term "solar collector" commonly refers to a device for solar hot water heating, but may refer to large power generating installations such as solar parabolic troughs and solar towers or non- water heating devices such as solar cookers or solar air heaters. [ 1]

  9. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    Water heating is a heat transfer process that uses an energy source to heat water above its initial temperature. Typical domestic uses of hot water include cooking, cleaning, bathing, and space heating. In industry, hot water and water heated to steam have many uses. Domestically, water is traditionally heated in vessels known as water heaters ...