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Thread: Multiport Valve Sending To Waste while on Circulate

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    Join Date
    Jul 2015
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    Houston
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    Multiport Valve Sending To Waste while on Circulate

    So I just started an AA treatment today for some stains in the pool. I set the multiport to recirculate as to cut out the filter and keep the AA moving around. When I did this I noticed quite a bit of water was being sent out to waste and the pool level was dropping. It was not as much water as when setting to waste so I am thinking the spider gasket may be bad. Any other possibilities that could cause this issue?

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    Mod Squad JohnT's Avatar
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    Apr 2007
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    SW Indiana
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    Re: Multiport Valve Sending To Waste while on Circulate

    Welcome to TFP!

    Though a more major failure of the valve or filter plumbing could cause it, a bad gasket is the most likely culprit.
    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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    Join Date
    Jul 2015
    Location
    Houston
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    Re: Multiport Valve Sending To Waste while on Circulate

    That is what I figured. New gaskets ordered and I'll take apart the valve tonight and inspect the other pieces.
    15k Gallon Freeform Inground Plaster
    Houston, Texas

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