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Thread: How to fix a sand filter cap leak

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    Join Date
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    mesa az
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    How to fix a sand filter cap leak

    Good evening all, new to the group but here goes;
    I have a Triton II (I believe TR100) sand filter. I had a leak on the filter cap so i removed the cap and replaced the rubber gasket. (The filter is about 10 years old). I lubed the new gasket up and replaced the cap but i still have leaks in about 3-4 places. The leaks are not shooting out just running down the side. No cracks in the cap that i can see. Its almost like I need to run a bead of silicone around the outside of the cap to get it from leaking. Any ideas? Thanks in advance.
    marco

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    Mod Squad zea3's Avatar
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    Re: How to fix a sand filter cap leak

    Hi, welcome to TFP! Sometimes filters will develop very fine cracks that don't show up until the vessel is under pressure. Another possibility is the threads on the vessel are worn, if that is the case you can try 3 wraps of teflon plumber's tape on the threads and then screw the cap back on.
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    Vogue 21' round AG, Pentair 1 hp 2 speed pump, 36 sq ft DE filter, Hayward S180T 150# sand filter, Houston, Texas
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    mariane's Avatar
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    May 2012
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    Re: How to fix a sand filter cap leak

    Marco01 - Did the teflon tape work for you?
    We just developed the same problem with our sand filter, but can see the tiny crack in the housing. Was wondering if a JDWeld type of fix might work to "plug" the leak. So I am also interested in this thread for any fix that might work. I'm afraid I will have to replace the whole filter.
    16 x 28 Doughboy Mystic Garden AGP with 7' deep end (used expandable vinyl liner) ~11,800 gals. Deep end main drain. Thru-the-wall skimmer, one return at deep end. Media Master 150# sand filter. Doughboy PowerPak II pump, 1 hp. Pentair MinimaxCH 150m natural gas heater. Polaris 65 when it feels like working . TF-100 test kit. No longer 'pool stored' 5 years and counting. In sunny but fickle metro-Detroit.

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    mariane's Avatar
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    Re: How to fix a sand filter cap leak

    marco01 - any news?
    16 x 28 Doughboy Mystic Garden AGP with 7' deep end (used expandable vinyl liner) ~11,800 gals. Deep end main drain. Thru-the-wall skimmer, one return at deep end. Media Master 150# sand filter. Doughboy PowerPak II pump, 1 hp. Pentair MinimaxCH 150m natural gas heater. Polaris 65 when it feels like working . TF-100 test kit. No longer 'pool stored' 5 years and counting. In sunny but fickle metro-Detroit.

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