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Thread: Replacing the Bottom Portion of a Cartridge Filter

  1. Back To Top    #1

    Join Date
    Sep 2016
    Houston, TX

    Replacing the Bottom Portion of a Cartridge Filter

    Hello to All,

    I currently have a bad leak in the side of my pool filter on the bottom part. My filter is a Pentair CCP420 cartridge filter. I have priced out buying just the bottom part as well as the whole assembly. And obviously there is a significant price difference.

    My questions are if anyone has ever run into this and if so what kind of problems did you have if you just replaced the bottom? Did the new bottom line up with the old top? Should I buy a new OEM ring?

    Basically need recommendations on what would be the best option.

  2. Back To Top    #2
    Mod Squad kimkats's Avatar
    Join Date
    Jul 2012
    Tallahassee, FL

    Re: Replacing the Bottom Portion of a Cartridge Filter


    Try asking Swimming Pool Supplies, Pool Safety Cover, Swimming Pool Covers, Swimming Pool Pumps, Pool Pump Parts -
    They are awesome. They can answer all kinds of questions like this. Make sure to tell them TFP sent you for the white glove treatment.

    TFP Moderator 33x52 round AG 25,600 gals Sand Filter 1.5hp Pump - 2 Speed, SLAM, Pool School, Recommended Levels, Recommended Chemicals, Pool Math, Chlorine/CYA Chart, TF-100 Test Kit

  3. Back To Top    #3

    TFP Guide

    In the Industry

    Join Date
    Apr 2015
    tucson, arizona

    Re: Replacing the Bottom Portion of a Cartridge Filter

    What condition are your filters, if there fairly new and in good condition then replacing just the bottom is pretty straightforward. You should replace the tank o-ring with the new bottom. As long as the tank was manufactured after 98' then they will match.

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