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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. OfferUp - Wikipedia

   en.wikipedia.org/wiki/OfferUp

   OfferUp was created in 2011 by Nick Huzar, former co-founder and CTO of Konnects, Inc., and Arean van Veelen. OfferUp is a mobile-driven local marketplace that competes with companies such as eBay, Craigslist, and Facebook Marketplace. [2][3] In 2015, OfferUp was named one of the Hottest Startups by Forbes, citing the company's explosive growth ...

4. 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 ...

5. What You Need to Know If You Smell Sewer Gas - Healthline

   www.healthline.com/health/healthy-home-guide/...

   It’s uncommon to be exposed to high levels of sewer gas at home. However, high levels of sewer gas exposure can occur in industrial workplaces. The symptoms include: loss of smell (you’ll no ...

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 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 ...

7. Rheem Manufacturing Company - Wikipedia

   en.wikipedia.org/wiki/Rheem_Manufacturing_Company

   Website. www.rheem.com. Rheem Manufacturing Company is an American privately held manufacturer that produces residential and commercial water heaters and boilers, as well as heating, ventilating and air conditioning (HVAC) equipment. The company also produces and sells products under the Ruud brand name.