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  2. Flash freezing - Wikipedia

    en.wikipedia.org/wiki/Flash_freezing

    In physics and chemistry, flash freezing is the process whereby objects are rapidly frozen. [1] This is done by subjecting them to cryogenic temperatures , or it can be done through direct contact with liquid nitrogen at −196 °C (−320.8 °F).

  3. How Much Does It Cost to Replace a Water Heater? - AOL

    www.aol.com/much-does-cost-replace-water...

    Gas water heaters cost between $600 and $2,700 to replace, for an average cost of about $1,650. Electric water heaters cost between $600 and $3,500 to replace , for an average cost of about $2,100.

  4. Should I turn off water if pipes are frozen? How to keep ...

    www.aol.com/turn-off-water-pipes-frozen...

    What to do when water pipes freeze. Here are tips from The Red Cross. If you turn on a faucet and only a trickle comes out, suspect a frozen pipe. Likely places for frozen pipes include against ...

  5. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    Tankless water heaters—also called instantaneous, continuous flow, inline, flash, on-demand, or instant-on water heaters—are gaining in popularity. [citation needed] These high-power water heaters instantly heat water as it flows through the device, and do not retain any water internally except for what is in the heat exchanger coil.

  6. Flash evaporation - Wikipedia

    en.wikipedia.org/wiki/Flash_evaporation

    The water is heated and then routed into a reduced-pressure flash evaporation "stage" where some of the water flashes into steam. This steam is subsequently condensed into salt-free water. The residual salty liquid from that first stage is introduced into a second flash evaporation stage at a pressure lower than the first stage pressure.

  7. Tankless water heating - Wikipedia

    en.wikipedia.org/wiki/Tankless_water_heating

    A hybrid water heater is a water heating system that integrates technology traits from both the tank-type water heaters and the tankless water heaters. [5] It maintains water pressure and consistent supply of hot water across multiple hot water applications, and like its tankless cousins, it is efficient and can supply a continuous flow of hot ...

  8. Northeast could see flash freeze after plunging temperatures ...

    www.aol.com/news/northeast-could-see-flash...

    By Thursday morning, most of these areas will go from above-freezing temperatures to temperatures in the 20s, creating what's known as a flash freeze. The temperature drop between Wednesday and ...

  9. 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 ...

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