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Thread: Sand Filter Leaking

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    Sand Filter Leaking

    I have a Hayward sand filter that is leaking under the flange clamp. The leak is a fine spray, not just dripping. Is this something easy to fix or should I call the pool guy?

    Thanks for your help!
    East TN
    13,000 gal San Juan Fiberglass Pool;SWG; GoldLine Pro Logic Controls
    Hayward Sand Filter; Hayward Max-Flo XL Pump;Polaris 380; Hayward ColorLogic LED
    Raypak Gas Heater

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    JasonLion's Avatar
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    May 2007
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    Silver Spring, MD
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    37,879

    Re: Sand Filter Leaking

    It is probably worth a try to fix it yourself, if you don't mind a little work and perhaps buying a new gasket. Often it is enough to open up the securing clamp, remove the top, clean and inspect all surfaces on the gasket, top, and bottom, lube the gasket with a silicone based plumbers lube, and then put everything back together again. If you find any nicks, cracks, or tears in the gasket you will need to replace the gasket. If you find a chip in the surfaces on the top or bottom that press against the gasket you have a larger repair, which might warrant calling a service person depending on how much you want to take on.
    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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    Mod Squad Bama Rambler's Avatar
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    Jun 2009
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    SouthWest Alabama
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    22,347

    Re: Sand Filter Leaking

    Just adding to what Jason said. If the neck of the vessel is split you'll have to replace the unit. You don't want to try and repair a split in a pressure vessel.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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    Join Date
    Feb 2012
    Location
    Brisbane, Australia
    Posts
    28

    Re: Sand Filter Leaking

    I had a leak in my sand filter and just replaced the gasket today. Once I undid the bolts it was pretty obvious where my issue was as the spider gasket was cracked. Off to the pool shop for the new gasket $20 and 30mins later all was fixed.
    15.8K gallons (60K Litres), IG, pebble, Davey 1hp 300lpm, sand filter, K Chlor SWG, Kreepy Krauly.

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    Re: Sand Filter Leaking

    Thank you all for your replies. Ended up being a crack in the vessel. We are having it replaced. No luck this time with an easy fix .
    East TN
    13,000 gal San Juan Fiberglass Pool;SWG; GoldLine Pro Logic Controls
    Hayward Sand Filter; Hayward Max-Flo XL Pump;Polaris 380; Hayward ColorLogic LED
    Raypak Gas Heater

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