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Thread: Air hiss between basket and impeller

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    Join Date
    Jul 2015
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    Roswell, GA
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    Air hiss between basket and impeller

    Ok. So I think I found how air is getting in my system. I can hear a hiss at the point where the basket attaches to the impeller housing. I see 4 bolts that connect the 2 and there is a small gap in the top middle despite the bolts looking like they are flush where they hold the plates together.

    I confirmed by putting my finger over and hearing less of it and then by pouring water over the tiny gap. I can hear it get quiet as it sucks in the water and then back to normal.

    I figure this might be an o-ring issue between the 2 parts but should it look like a gap is normal, like the metal is formed that way instead of being flat across?
    11k gal ig vinyl, Challenger 1hp, Heyward 3030 cartridge filter, intermatic PF1103T timer w/ freeze protection, dolphin 4 deluxe.

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    Jul 2015
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    Roswell, GA
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    Re: Air hiss between basket and impeller



    Picture of gap on top
    11k gal ig vinyl, Challenger 1hp, Heyward 3030 cartridge filter, intermatic PF1103T timer w/ freeze protection, dolphin 4 deluxe.

  3. Back To Top    #3
    kevin11's Avatar
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    May 2015
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    Northeast,Alabama
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    50

    Re: Air hiss between basket and impeller

    I have a sta-rite pump and I think mine has square gasket where yours is leaking air. Could it be missing a gasket there?
    18x36 IG, Vinyl, 20K Gal., Sand Filter, 1HP pool pump, 3/4HP slide pump, Taylor k-2006.

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    In the Industry

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    Re: Air hiss between basket and impeller

    There is a gasket there and it is common for it to fail Replace it, its a cheap fix.

  5. Back To Top    #5

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    Jul 2015
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    Roswell, GA
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    Air hiss between basket and impeller

    Took me a while, but I got to it and no more suction side leak. No bubbles from returns. Yay!

    Btw, oring was broken.
    11k gal ig vinyl, Challenger 1hp, Heyward 3030 cartridge filter, intermatic PF1103T timer w/ freeze protection, dolphin 4 deluxe.

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