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Thread: Replaced cartridge, shower still not working

  1. #1

    Default Replaced cartridge, shower still not working

    Shower abruptly stopped working. Nothing gradual about it. I turned it on one morning and nothing came out. I replaced the MOEN posi-temp cartridge. Still nothing. I turned it upside down in case my hot and cold were reversed, nothing. Any other tricks to this process?? It seemed pretty straight forward, but I must be missing something? THX!

    Last edited by Terry; 05-20-2009 at 12:33 PM.

  2. #2
    Plumber krow's Avatar
    Join Date
    Feb 2008
    Ontario, Canada


    It could be almost anything.

    Assuming the cartridge that you installed is not faulty. Check your shower head. Pull it off and see if a chunck of rubber got in there. I assume you do not have a toe tester/spout on the assembly.

    The other thing to check, make sure the barrel where the cartridge fits is free of any debris

    If all else fails, it may be a faulty positemp cartridge.

  3. #3
    Master Plumber Redwood's Avatar
    Join Date
    Dec 2007


    Could you be in a location where one or both of the supply lines are frozen?

    If pressure is lost on either with a pressure balanced valve you get nothing.

  4. #4
    Moderator & Master Plumber hj's Avatar
    Join Date
    Aug 2004
    Cave Creek, Arizona

    Default pipe

    IF the hot water line froze, (or less likely the cold water), it would shut off all the water from the valve. The idea is that you should find out EXACTLY what the problem is before you start spending time and money changing things.

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