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Thread: Pressure reading for Hayward Sand Filter

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    Join Date
    Oct 2010
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    Pensacola, FL
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    Pressure reading for Hayward Sand Filter

    My inground pool's PSI reading stays the same even when my pump and filter are turned off. Shouldn't the filter's gauge be zero when it's off?
    thanks for the help.
    Bill Moyer
    CWO4 USN (Ret)
    Pensacola, FL
    10k gallon 12x24 in ground pool built 2008, vinyl, Pentair Intellichlor IC40, Pentair Intelliflo v/s pump, Hayward sand filter. Using the BBB method.

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    Mar 2009
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    Huntsville, AL
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    Re: Pressure reading for Hayward Sand Filter

    It probably should read zero or at least something different than when the pump is running. Most of the gauges used on pool filters tend to be inexpensive and don't always last as long as we think they should. $10 or so should get you a new one.
    27K gal, IG vinyl, 1.5 HP pump, 24" sand filter, Goldline Aqua Plus SWG

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    Butterfly's Avatar
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    Re: Pressure reading for Hayward Sand Filter

    Yep, as gordiec said, you need a new gauge. Lots of folks remove the gauge and store it inside for the winter.

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    Heckpools's Avatar
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    Re: Pressure reading for Hayward Sand Filter

    give the gauge a good "flick" while the filter is on, then turn off the filter.. should drop to zero
    If not, buy another
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  5. Back To Top    #5

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    Re: Pressure reading for Hayward Sand Filter

    Quote Originally Posted by Heckpools
    give the gauge a good "flick" while the filter is on, then turn off the filter.. should drop to zero
    If not, buy another
    Well, I'll be darned if "flicking the gauge" didn't work! I went out and flicked it, and sure enough, the gauge dropped to zero. I had ordered a replacement gauge and will replace the one I have, but thanks for a great tip and solution!
    Bill Moyer
    CWO4 USN (Ret)
    Pensacola, FL
    10k gallon 12x24 in ground pool built 2008, vinyl, Pentair Intellichlor IC40, Pentair Intelliflo v/s pump, Hayward sand filter. Using the BBB method.

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