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2. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   All new gas storage tank water heaters with capacities smaller than 55 US gal (210 L; 46 imp gal) sold in the United States in 2015 or later shall have an energy factor of at least 60% (for 50-US-gallon units, higher for smaller units), increased from the pre-2015 minimum standard of 58% energy factor for 50-US-gallon gas units.

3. Rheem Manufacturing Company - Wikipedia

   en.wikipedia.org/wiki/Rheem_Manufacturing_Company

   Since 2007, [50] Rheem has sponsored Richard Childress Racing (RCR) in the NASCAR Sprint Cup Series and Xfinity Series through their Rheem, RUUD, and Richmond Water Heaters brands. [50] [51] They previously sponsored Kevin Harvick and Harvick's racing team Kevin Harvick Incorporated (KHI), along with Ron Hornaday Jr., Cale Gale and other former ...

4. 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 ...

5. Rheem - Wikipedia

   en.wikipedia.org/wiki/Rheem

   Rheem Creek, stream in western Contra Costa County, California; Rheem Manufacturing Company; Rheem Theatre, motion picture theater located in Moraga, California; Rheem, California (disambiguation), places in California

6. Feedwater heater - Wikipedia

   en.wikipedia.org/wiki/Feedwater_heater

   A Rankine cycle with two steam turbines and a single open feedwater heater. A feedwater heater is a power plant component used to pre-heat water delivered to a steam generating boiler. [1] [2] [3] Preheating the feedwater reduces the irreversibilities involved in steam generation and therefore improves the thermodynamic efficiency of the system ...