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Thread: Replacing pool pump

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    Replacing pool pump

    i have a 24 ft above ground pool. my pump, a 1 1/2 hp emerson, model S55CXRDG-7928 quit working today. i need to purchase a new one. i'm looking at the hayward power-flo LX but not sure if it will be compatible. can you help?
    30' round AGP, 21,240 gallons
    Sta-Rite 1.5 hp pump, sand filter with Zeobrite
    Aquabot Pool Rover Jr.; Polaris 65
    BBB

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    Mod Squad JohnT's Avatar
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    Apr 2007
    Location
    SW Indiana
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    9,089

    Re: Replacing pool pump

    Welcome to the forum!

    We'd need to know what kind of filter you have to give the best advice. Your pump is quite a bit over sized for your pool. A 1HP or even a 3/4HP would easily handle your pool and save a bunch of electricity.
    TFP Moderator
    20K Gallon 20X36 Vinyl Inground
    Hayward S244T Sand Filter with 1HP Whisperflo Pump. Liquidator C-201 and Solar Heat

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    Re: Replacing pool pump

    i have a sand filter and was told today by someone else that i could also use a 1 hp pump. when i bought the pool it came with the 1 1/2 hp so now i really don't know what to buy. i appreciate your help.
    30' round AGP, 21,240 gallons
    Sta-Rite 1.5 hp pump, sand filter with Zeobrite
    Aquabot Pool Rover Jr.; Polaris 65
    BBB

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    Re: Replacing pool pump

    one more question....does an oversized pump negatively affect the pool - other than using more electricity? thanks
    30' round AGP, 21,240 gallons
    Sta-Rite 1.5 hp pump, sand filter with Zeobrite
    Aquabot Pool Rover Jr.; Polaris 65
    BBB

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    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,879

    Re: Replacing pool pump

    Filters are a little more efficient when you have a smaller pump. If the pump is too large for the filter it can cause serious problems. Other than that it is a cost of electricity issue.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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