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Thread: Phantom Problem - Sucking Air Was not What it Appeared to Be

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    Phantom Problem - Sucking Air Was not What it Appeared to Be

    Every time we get appreciable air bubbles appearing in the glass lid of our Hayward Super pump it seems that we're drawing air from somewhere, right? Not necessarily so.

    We've had an intermittent problem as described above for the better part of 2 years. It will sometimes appear as low output pressure down to maybe 10 psi too.

    Before you dig up your skimmer lines looking for this phantom leak, here's what we found: Half of a 1 1/2" pool rubber plug, stuck right in the L, just prior to entering the suction end of our pump.

    It was cutting the flow easily in half, killing the output pressure, and worst of all, acting like a suction leak! Surely the same thing can occur at a Jandy valve on the suction side as well!

    Here's hoping that this tip will assist others with the sometimes, hand-wringing and time intensive challenges of what seem to be suction leaks, but aren't.

    Best of luck to anyone this helps!!!

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    Join Date
    Mar 2012
    Location
    Tampa Bay, Florida
    Posts
    165

    Re: Phantom Problem - Sucking Air Was not What it Appeared t

    Wow. I never would have guessed they would use a rubber plug at that location. I've had the pump seal start failing before and that will cause air to be sucked in, but usually a couple of drips of water come out between the motor and pump once it shuts off, so that was an obvious leak.
    John (DIYer). Concrete, approximately 13,000 gallon in-ground pool with adjoining concrete spa. Approximately 40 years old. Hayward Super II pump for pool and legacy Anthony Sta-Rite bronze pump CF6 for spa, VA-26 filter,(2 sets), Rheem propane heater for spa. HASA Liquidator for pool.

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    Join Date
    Feb 2008
    Location
    Denton, TX
    Posts
    5,061

    Re: Phantom Problem - Sucking Air Was not What it Appeared t

    Glad you found the issue.

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