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Thread: Spider valve is unremovable!

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    Spider valve is unremovable!

    I am replacing spider valve in year old Praher multiport valve. I have done this 3 or 4 times in the past, but I am having very S-l-o-w progress this time. The gasket is really glued in there! I don't know what kind of glue Praher used, but every millimeter of the gasket is glued! Is there a solvent that would make this go faster? I have already spent a couple of hours and the gasket is only 1/3 of the way removed. I don't want to scratch the seat and ruin the valve!
    25 K gal gunite, 16 x 32, above ground,
    24" sand filter with top mounted Praher multiport valve,
    1 HP 1 1/2" motor

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    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: Spider valve is unremovable!

    Welcome to TFP!

    For really nastily glued in gaskets you sometimes need to find a screwdriver of the same width as the channel, and then sharpen the blade into a scraper of exactly the size you need.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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