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  2. Edwin Ruud - Wikipedia

    en.wikipedia.org/wiki/Edwin_Ruud

    In 1889, Ruud engineered a design for an automatic storage tank-type gas water heater that used a bottom gas heater and temperature controlled gas-valve. [7] He later patented the design in 1890. [12] In October 1890, he expanded on his first water heater design, under the Fuel Gas and Manufacturing Company. [14]

  3. Bradford White - Wikipedia

    en.wikipedia.org/wiki/Bradford_White

    Bradford White Corporation, headquartered in Ambler, Pennsylvania, is an American-owned and employee owned, full-line manufacturer of residential and commercial and industrial products for water heating, space heating, combination heating and storage applications.

  4. Rheem Manufacturing Company - Wikipedia

    en.wikipedia.org/wiki/Rheem_Manufacturing_Company

    He developed the first automatic storage tank gas-fired water heater, which went into production in 1889. [27] Ruud worked for George Westinghouse (1846–1914), but eventually bought the rights to produce the product he invented and formed his own company in 1897.

  5. Vaillant Group - Wikipedia

    en.wikipedia.org/wiki/Vaillant_Group

    Notable landmarks in the company's history include the launch of the first wall-hung circulation water heater, the Circo Geyser, in 1961, and the first wall-hung water heater with condensing boiler technology that was developed and produced in-house in 1995. 2001 saw the internationalisation and expansion of the Vaillant Group's brand and ...

  6. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    Display of water heaters used in the past Kerosene water heater, 1917. Another type of water heater developed in Europe predated the storage model. In London, England, in 1868, Benjamin Waddy Maughan, a painter, invented the first instantaneous domestic water heater that did not use solid fuel.

  7. Essential Utilities - Wikipedia

    en.wikipedia.org/wiki/Essential_Utilities

    The company's largest water subsidiary is Aqua Pennsylvania, which has been a part of Aqua America since 1996 and accounts for slightly more than half of 2007 operating revenue and provides water services to 50% of the company's total customer base. Aqua Pennsylvania operates in the greater urban and suburban Philadelphia area. [18]