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Thread: Jandy CV460 Cartridge Filter - Issue with Clamp Ring Knob Assembly

  1. Back To Top    #1

    Join Date
    Jun 2015
    Voorhees, NJ

    Jandy CV460 Cartridge Filter - Issue with Clamp Ring Knob Assembly

    I have a Jandy CV460 Filter. I took it apart today to clean the cartridges. I realized that my pool company did not put the clamp ring knob assembly on properly. The piece that is supposed to sit vertically was installed horizontally. They also had a gap larger than 1/16". They tightened it so much that I can't get the knob portion off of the threaded rod. I held the threaded rod with pliers, and I tried turning the bolt with a socket wrench. It won't budge…the rod just spins. Are there any tricks I can use? I'm wondering if I should just order a new part on Amazon. I was thinking about trying to use a vice and see if I could tighten the clamp ring on the filter, so that the gap is smaller. That may allow me to slip the assembly rod into place.

    This is a picture of the product: Zodiac R0357500 Clamp Ring Knob Assembly with Threaded Rod and Retainer Replacement for Select Zodiac D.E. and Cartridge Pool and Spa Filters: Patio, Lawn Garden
    Inground Pool - 35,000 gallons - SWG (Nature2 - FUSIONSOFT1400) - Cartridge Filter

  2. Back To Top    #2
    Mod Squad
    Join Date
    Aug 2012
    DFW, TX

    Re: Jandy CV460 Cartridge Filter - Issue with Clamp Ring Knob Assembly

    Sometimes putting a double nut on the end of threaded rod and tightening them against each other will allow your to turn the brass nut. If there is room for the nuts. But, I can't figure out how in the wide, wide world of sports they put that together wrong.
    TFP Moderator
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