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Thread: How to make my pump pump harder

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    How to make my pump pump harder

    I have a Intex® Krystal Clear Sand Filter - 16" pump for my Intex 32 ft. x 16 ft. x 52 in. Rectangular Ultra Frame Pool. I purchased a Hayward AquaRay Automatic Pool Cleaner. It will run for a short period of time and then stop pumping. I take it off and the pump is just barely sucking. How can I improve the amount of suction into the pump. I checked for blockage and found nothing.

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    Mod Squad jblizzle's Avatar
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    Re: How to make my pump pump harder

    Welcome to TFP!!!

    When was the last time you cleaned the filter? You can not make a pump move more water without lower the resistance to flow.

    Could be that your pump is just too weak to run that cleaner (although admittedly I know little about the Intex pump/filters).
    Jason, TFP Moderator
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    Re: How to make my pump pump harder

    Does it work good after backwashing the filter?
    17,100 Gal 27' x 52" AGP steel wall vinyl; 44gpm Cooper sand filter; Hayward 1hp sp1580 single-speed; 1.5" plumbing, 1 skimmer/jet, inline chlorinator.
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    Re: How to make my pump pump harder

    We cleaned it before we put it on the pool this year. How do I lower the resistance to flow?

    - - - Updated - - -

    Haven't tried backwashing the filter yet. Will try that tonight.

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    Mod Squad jblizzle's Avatar
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    Re: How to make my pump pump harder

    Quote Originally Posted by Katslate View Post
    We cleaned it before we put it on the pool this year. How do I lower the resistance to flow?

    - - - Updated - - -

    Haven't tried backwashing the filter yet. Will try that tonight.
    Clean the filter. Install larger pipes. Make sure no valves are partially closed and there is no clog.

    You need to clean the filter when the pressure rises 20-25% over the clean pressure.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
    If you found TFP helpful and we saved you money ... Become a TFP Supporter!

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    ranger_ric's Avatar
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    Re: How to make my pump pump harder

    On the suction side, where the vacuum hose plugs into pool wall, unscrew the blue adapter and check the plastic grid behind it. Many Many Many times it will be full of bugs, leaves, algae, funk and it will dramatically reduce how much fluid you can move. When I got a real pump and filter for my pool I ended up just cutting that grid out of there. However with that grid cut out I never run my vacuum without a Leaf catcher between the vacuum and the pool wall, Good Luck.
    17500 Gal Above Ground, 1.5HP Dynamo Pump, 250# Pentair Sand filter with ZeoLite. Diver Dave Cleaner. TFP test kit w/SpeedStir, 7 Grandaughters and 1 Grandson swimming every week WooooHooo!!

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