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Thread: Pump not keeping prime

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    lynzizzle's Avatar
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    Jun 2014
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    Sharpsville, IN
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    Pump not keeping prime

    So I'm in my SLAM process currently and trying to vac up the dead algae ... We had this issue before and during SLAM:

    Pump will not hold prime ... Every time I try to vac I lose suction, returns have minimal flow ... I've tried turning off one skimmer and letting air out of filter thru valve to no avail ... Anyone?


    Lynzizzle

    IG, 25k gal (est.), concrete free form, Hayward S-244T 300lb sand filter,
    well water, Pump: AO Smith 3/4 hp, VSpd: Unknown, Pool Age: Unknown
    Welcome to our OOL. Notice there's no "P" in it?

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    JasonLion's Avatar
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    May 2007
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    Silver Spring, MD
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    Re: Pump not keeping prime

    You have an air leak somewhere. It is most likely in the vacuum hose, but could be elsewhere. The leak is letting in too much air for the pump to maintain prime.
    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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    lynzizzle's Avatar
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    Sharpsville, IN
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    Re: Pump not keeping prime

    How do I check for a leak in the hose? Like you would a tire? Water and soap? I dont know that that would work unless the hose is full of water though ... Hmmm ....
    Last edited by lynzizzle; 06-23-2014 at 08:04 AM. Reason: Afterthought
    Lynzizzle

    IG, 25k gal (est.), concrete free form, Hayward S-244T 300lb sand filter,
    well water, Pump: AO Smith 3/4 hp, VSpd: Unknown, Pool Age: Unknown
    Welcome to our OOL. Notice there's no "P" in it?

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