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Thread: Pump/skimmer issues

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    Pump/skimmer issues

    Guys I have opened my pool and I am happy with my water.

    However I am having an issue.

    When my pool pump shuts down, water raises quickly through the skimmer and knocks the lid off. It then seems like it drains the water from my Heyward self priming pump.

    When I turn back on, it takes a while for it to prime itself.

    Any ideas?

  2. Back To Top    #2
    Mod Squad jblizzle's Avatar
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    Re: Pump/skimmer issues

    Sounds like maybe the filter is full of air and forcing the water backwards when the pump turns off ???

    Have you tried purging the air from the filter with the pump on?
    Jason, TFP Moderator
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    Re: Pump/skimmer issues

    Dumb question because yes I am a noob..

    How would I do that?

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    Mod Squad jblizzle's Avatar
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    Re: Pump/skimmer issues

    There would be a release valve on the top of the filter (assuming you do not have a multi valve on top). Post as picture if you struggle to find it.
    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
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    Re: Pump/skimmer issues

    I do have a multivalve on top. but right below that I have what seems to be a valve.. Not sure...








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    Mod Squad jblizzle's Avatar
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    Re: Pump/skimmer issues

    I am not sure. I thought if you had a top mounted multi valve, then there was not an air release valve. Which also kind of squashes my idea of air in the filter.
    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!

  7. Back To Top    #7

    Re: Pump/skimmer issues

    Thanks for the replies. I appreciate it.

    Very weird because the pump will prime itself, even though after turning it off, a lot of the water has been drained from the pump basket.

    Let it run all day, power it down, a small splash of water shoots out of pump lid, skimmer overflows with water, skimmer basket gets dislodged, and pump basket goes to half full.

    I have reseated the pump lid multiple times, checked the ring around it, but when powering down, it still shoots a tad of water out.

    Turn pump on, takes about 20 seconds for it to self prime and normal operation ensues.

  8. Back To Top    #8

    Re: Pump/skimmer issues

    that is the air relief valve in the picture. it sounds like a suction leak to me. if water is shooting out of the pump lid than that is the first place that i would check. When the system is under pressure the air that is getting in to the filter is compressed, when the system shuts off it expands, resulting in a rush of air running through the plumbing, causing all of the things you are describing.

  9. Back To Top    #9

    Re: Pump/skimmer issues

    Thanks for all this feedback guys.

    When I backwash - problem goes away. Turn back to filter - problem returns. crazy

    BTW - I bought a new pump lid gasket. Hopefully that prevents the squirt of water out of the pump when powering off

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