shower temp mixing valve question

Discussion in 'Shower & Bathtub Forum & Blog' started by novasupra, Apr 5, 2011.

  1. novasupra

    novasupra New Member

    Apr 5, 2011
    Hi, I have a Grohe shower set, has a rain shower head and also body spray. There is a control for the shower head and also a control for the body spray and a also a seperate control for the temperature.

    For some reason, the temperature valve does not "mix" the hot and cold water, I either get all hot or all cold but nothing in between. If I take the cover off and adjust the temperature setting, i can turn it to the point where it gets hot then if I back it off, it doesn't temper down it just stays hot and then all of a sudden it will go cold.

    Is there any other adjustment that I need to make?

    Appreciate the help.
  2. Cookie

    Cookie .

    Oct 7, 2005
    Take the cover plates off the valve take a picture of it and post it. Someone might be able to help you then.
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  4. hj

    hj Moderator & Master Plumber Staff Member

    Aug 31, 2004
    Cave Creek, Arizona
    Your core must be sticking or has failed.
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