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Thread: Huge pressure buildup when vaccuming

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    Huge pressure buildup when vaccuming

    When I turn off the pump after vaccuming, I get a HUGE water eruption back through the skimmer.

    It almost blows the basket right out of the skimmer (and soaks my shirt, too!).

    That can't be good, right? Is that an indicator that something is wrong with my setup?
    Doughboy 13K Oval Gallon AGP. 1HP pump. Zeobrite filter.

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

    Re: Huge pressure buildup when vaccuming

    My first guess would be that you are leaking air into the system during vacuuming. The air builds up in the filter, is compressed by the pump, then expands when the pump shuts off.

    A crack in the vacuum hose, using the swivel end of the hose in the skimmer, or letting the vacuum head come out of the water on the steps are possible causes.
    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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