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Thread: Moen shower no cold water

  1. #1

    Default Moen shower no cold water

    We built our house 6 years ago and our shower faucet is Moen. When we turn the faucet on in our children's bathtub, we only get hot water. I've checked and both hot and cold water are plumbed to the faucet. It has one handle that, when off, points to 6:00. As you turn the faucet from what should be cold to hot, you just get hot water to very hot water. I've taken the faucet apart, and taken the two little white plastic disks with serrated edges off the stem. I can't find what I need to turn to make an adjustment to the temperature.

  2. #2
    Plumber jimbo's Avatar
    Join Date
    Aug 2004
    San Diego


    The temp. stop cams on the stem only limit the upper hot temperature limit. Sounds like a Positemp, and the cartridge has a balancing spool inside it, which is stuck. You should replace that cartridge.

  3. #3


    OK, thanks, now what is the cartridge?

  4. #4
    Retired Defense Industry Engineer jadnashua's Avatar
    Join Date
    Sep 2004
    New England


    Go to Moen's website and look at the instructions...the cartridge is the guts of the valve, which is replaceable.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  5. #5


    I took the clip off, then attempted to remove the cartridge. About a one inch piece of it, just past the first ring, where it had broken, pulled out easily. No wonder it didn't work! What is the best way to get the rest of it out? I can get ahold of it with needle nosed pliers, but it won't budge.


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