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Thread: Hayward 3/4 HP

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    Hayward 3/4 HP

    I have a Hayward Power Flo 3/4 HP pump. I would like to know what the GPM is for this pump. I have a offline chlorinator and I'm thinking the GPM from this pump isn't enough for the chlorinator. THANKS.

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    Mod Squad JohnT's Avatar
    Join Date
    Apr 2007
    SW Indiana

    Re: Hayward 3/4 HP

    That's not an easy answer. GPM depends on head. What does your pressure gauge read?
    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: Hayward 3/4 HP


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    Join Date
    Oct 2010

    Re: Hayward 3/4 HP

    The SP1775 3/4 hp pump delivers 65 gpm at 10 ft of head and 30 gpm at 40 ft of head.

    What is the make and model of the chlorinator?
    A Hayward CL100 and CL110 are rated for pumps in the 30-50 gpm range.
    Hayward recommends these for pools up to 18,000 gallons.

    Hayward CL200 and CL220 are designed for the 50 to 80 gpm pumps.
    We generally see these on pools up to 40,000 gallons.


    20x40 free-form IG vinyl, 1hp Hayward superpump, Hayward pro grid DE filter, Raypak heatpump, Goldline Aquarite SWCG, Polaris 280 with booster, and tested using a Taylor K2006.

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