Replaced cartridge, shower still not working

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by srparrothd, Feb 1, 2009.

  1. srparrothd

    srparrothd New Member

    Jan 31, 2009
    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 a moderator: May 20, 2009
  2. krow

    krow Plumber

    Feb 11, 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.
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  4. Redwood

    Redwood Master Plumber

    Dec 15, 2007
    Service Plumber
    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.
  5. hj

    hj Moderator & Master Plumber Staff Member

    Aug 31, 2004
    Cave Creek, Arizona

    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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