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Thread: sand filter works in every position except filter

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    Join Date
    Aug 2015
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    Seguin
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    sand filter works in every position except filter

    I just inherited a used sand filter and pump and installed on my above ground pool and the multiport valve works in every position except the filter position. I watched several diy videos on how to install but must have gone wrong somewhere. Any ideas?

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    Mod Squad JVTrain's Avatar
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    Feb 2014
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    Re: sand filter works in every position except filter

    Do you have a brand and model number you can share? An image of the installed filter would help a lot as well. Posting Photo's Tutorial

    Welcome to TFP!
    Joel - TFP Moderator - Minnesota - **Become a TFP Supporter!** Helpful Links: ABCs of Pool Water Chemistry - SLAM Procedure - Chlorine/CYA Chart
    40x20 Pool: 32K Gallons * Vinyl * Bleach Chlorination * Hayward S270T Sand Filter * Pentair SuperFlo 1 HP * Teledyne/Laars Heater * AquaVac Tigershark * TF-100 w/ SpeedStir
    Isolated Spa - 345 Gallons

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    gtemkin's Avatar
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    Seattle, WA
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    Re: sand filter works in every position except filter

    Please provide a better description of what you mean by not working in the filter position. Need more detail than that. How doesn't it work? What are the symptoms that lead you to believe it doesn't work?
    21K gal 16' x 40' in-ground pool built 1959, old school with Jacuzzi bronze pump, American Products 24" Sand Filter & Americana Multiport valve, Jandy Lite2 millivolt heater, Coverstar cover, and classic Kreepy Krauly.

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    Cedar Hill, TN
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    Re: sand filter works in every position except filter

    Is the spider gasket in the proper position??
    12500 AGP 2HP Sand filter
    Five years on BBB & loving it!

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