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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. Storage water heater - Wikipedia

    en.wikipedia.org/wiki/Storage_water_heater

    Storage water heater. A storage water heater, or a hot water system ( HWS ), is a domestic water heating appliance that uses a hot water storage tank to maximize water heating capacity and provide instantaneous delivery of hot water. [1] Conventional storage water heaters use a variety of fuels, including natural gas, propane, fuel oil, and ...

  4. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    A BTU is the energy required to raise one pound of water by one degree Fahrenheit. A US gallon of water weighs 8.3 pounds (3.8 kg). To raise 230 L (60 US gal) of water from 10 °C (50 °F) to 50 °C (122 °F) at 90% efficiency requires 60 × 8.3 × (122 − 50) × 1.11 = 39,840 BTU. A 46 kW (157,000 BTU/h) heater, as might exist in a tankless ...

  5. US economic activity expanded slightly in recent weeks ... - AOL

    www.aol.com/news/us-economic-activity-expanded...

    The Fed is expected at the end of its April 30-May 1 policy meeting to leave its policy rate in the current 5.25%-5.50% range, where it has been since last July.

  6. From the boardwalk to the altar: T-shirt, shorts, bikinis and ...

    www.aol.com/boardwalk-altar-t-shirt-shorts...

    For one, it allows these mass-market brands to get their slice of the more than $100 billion US wedding industry, according to The Knot Worldwide, a wedding planning and vendor marketplace.

  7. Billionaire Frank McCourt says he's putting together a ... - AOL

    www.aol.com/news/billionaire-frank-mccourt-says...

    Billionaire businessman and real estate mogul Frank McCourt said he’s putting together a consortium to purchase TikTok’s U.S. business, adding to the number of investors hoping to benefit from ...

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