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Thread: Pentair Universal weir - how to install?

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    Pentair Universal weir - how to install?

    I inherited a very old pool when we bought our home. It came without a weir. Found this universal one with spring loaded hinge. I thought the flap would go down when the pump is off to trap the debris (thought this was the purpose of the weir). It does not go down. There is some styrofoam on the weir and I have that facing inward toward the skimmer. Am I supposed to remove the foam. Is the weir supposed to close? Do I have my water level too high? What am I missing here? Thanks!
    24,000 gallon chlorine plaster in ground
    Triton II Sand Filter
    Pentair Pool Sweep/Cleaner

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    Join Date
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    Re: Pentair Universal weir - how to install?

    Welcome to TFP!!

    Sounds like you've got it in correctly

    Keep the Styrofoam on! The weir should float up to trap the debris in the skimmer when the pump is off and be sucked closer to horizontal with the pump running to increase the surface action.
    Luv& Luk
    -Ted

    Having done construction and service for 4 pool companies in 4 states starting in 1988, what I know about pools could fill a couple of books - what I don't know could fill a couple of libraries :-D

    POOL SCHOOL, TF Testkits, Jason's Pool Calculator, CYA vs. cl chart, (Just a few DARNED handy links!)

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    Re: Pentair Universal weir - how to install?

    Do I have it in upside down? If I put the hinge on the bottom then it would probably close when the pump is off.
    24,000 gallon chlorine plaster in ground
    Triton II Sand Filter
    Pentair Pool Sweep/Cleaner

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    Mod Squad JohnT's Avatar
    Join Date
    Apr 2007
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    SW Indiana
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    9,089

    Re: Pentair Universal weir - how to install?

    It hinges at the bottom.
    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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    Re: Pentair Universal weir - how to install?

    Duh! I think that is my problem. Funny that the pool supply stores don't even know how to install this item!
    24,000 gallon chlorine plaster in ground
    Triton II Sand Filter
    Pentair Pool Sweep/Cleaner

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