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Thread: Replace Grundfos circulator or change cartridge??

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    General Engineering Contractor ballvalve's Avatar
    Join Date
    Dec 2009
    northfork, california

    Default Replace Grundfos circulator or change cartridge??

    My radiant heat high head 26-96f Grundfos is about 12 years old and I am getting some vibration. Bearings getting tired.

    I can get an eqiv. taco for about 215$ or get a new Grundfos cartridge for 120$. I know if the stator is scored, the pump is shot, but in no mood to take it apart without a ready replacement. Still pumping fine.

    Opinions? Check amp draw to see if over specs would determine bad stator?


    They can be had for about $180 at other sites.
    Last edited by ballvalve; 11-20-2011 at 03:46 PM.

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