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Thread: leak in sand filter

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    leak in sand filter

    What is the best way to seal a leak in the drain at the bottom of a sand filter? I have air in the system and I do see a small leak at the bottom where the drain is.
    20,000 gallon viking fiberglass pool w/aqua comfort heat pump, pentair whisperflo pump 1.5hp autopilot dig-220 swg w/RC42 cell (42,000), pg2000 fiber optic lights
    hayward sand filter(medium is echoglass)
    Blue diamond robot cleaner

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

    Re: leak in sand filter

    Your filter leak isn't the source of the air. Air has to come from a leak before the pump, meaning the plumbing from the skimmer and drain to the pump basket, or in the pump basket itself.

    Try putting some pool lube on the threads and the rubber gasket on the drain cap.
    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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