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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. 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 ...

4. 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.

5. What is Teflon Flu? Learn about the illness linked to ... - AOL

   www.aol.com/teflon-flu-learn-illness-linked...

   While preparing lunch around 11:00 a.m. the man fell asleep and left a pan of boiling water for his pasta on the stove. Five hours later, the man woke up and noticed white smoke, the report said.

6. Is Your Nonstick Pan Making You Sick? Suspected Cases Of ...

   www.aol.com/lifestyle/nonstick-pan-making-sick...

   What is Teflon flu? Teflon flu, aka polymer fume fever, is a term used to describe people who have gotten sick after being exposed to fumes from Teflon pans, according to the National Capital ...

7. What's the healthiest beverage? The No. 1 pick, according to ...

   www.aol.com/news/whats-healthiest-beverage-no-1...

   Water is definitely the healthiest drink, Rizzo says. “The body is made up of 60% water, and we need to drink water to live. Water plays a role in basically every single process in the body. You ...