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  2. Gallon per watt-hour - Wikipedia

    en.wikipedia.org/wiki/Gallon_per_watt-hour

    Residential pool pumps were first included in the 2005 Title-20 appliance standards that were adopted at the end of 2005. California has a limited ability to produce electricity. When California electrical demand exceeds its production capacity the utility companies must purchase electricity, usually form out of state companies at a much higher ...

  3. Submersible pump - Wikipedia

    en.wikipedia.org/wiki/Submersible_pump

    A 0.75 HP bore-well submersible pump which had been used to pump groundwater One style of submersible pump for industrial use. Outlet pipe and electrical cable not connected. A submersible pump (or electric submersible pump (ESP) is a device which has a hermetically sealed motor close-coupled to the pump body. The whole assembly is submerged in ...

  4. Water pumping - Wikipedia

    en.wikipedia.org/wiki/Water_pumping

    A spiral pump, sometimes called a Wirz pump or incorrectly Wirtz pump, is a low lift pump which is composed of a long piece of metal plating, which is wound into a coil and sealed at the top and back extremities so as to resemble a cylinder. The outer cavity serves as the inlet, while the inner (partial) tube serves as the outlet.

  5. Dempsters - Wikipedia

    en.wikipedia.org/wiki/Dempsters

    Dempsters was a privately held American company that over time produced submersible pumps, windmills and wind energy systems, water systems, recycling trailers, fertilizer equipment, and accessories. Originally named the Dempster Company and then the Dempster Wind Mill Company, it was incorporated under the laws of Nebraska in 1886 as Dempster ...

  6. Metropolitan District Commission Pumping House - Wikipedia

    en.wikipedia.org/wiki/Metropolitan_District...

    The Metropolitan District Commission Pumping House is a historic water pumping station, adjacent to Spot Pond in the Middlesex Fells Reservation, on Woodland Road in Stoneham, Massachusetts. Built in 1901 by the Metropolitan District Commission (MDC), it is one of Stoneham's finest examples of Renaissance Revival architecture.

  7. Spring Pond (Massachusetts) - Wikipedia

    en.wikipedia.org/wiki/Spring_Pond_(Massachusetts)

    Stretching from Spring Pond to Marlborough Road in Salem, the pond and woods form a microcosm of beauty. On the edge of Spring Pond was once the Fay Farm, an English manor estate in New England. The mansion of Fay Farm was a well-known hotel in 1810, when the springs of these areas were believed to possess medicinal qualities.