Mixet Single Handle Cartridge Still Leaking

Discussion in 'Shower & Bathtub Forum & Blog' started by CTM, Aug 6, 2008.

  1. CTM

    CTM New Member

    Aug 6, 2008
    I have just replaced the cartridge for my shower with original mixet parts (I sucessfully replaced this part before in the same bathroom as well as the other bathroom in the same house a few years ago). The problem now is that the water will not shut off completely and tightening the outer sleeve only serves to make the hot/cold adjustment lever unmoveable. The water still continues to trickle from the spout. Since I have replaced this part before without a problem I am at a loss as to why the water continues to run. I replaced this cartridge because the water began dripping and continued to worsen so naturally I believed the cartidge was the problem. Any help here would be greatly appreciated.
    Could the plumbing just need to be re-done the house was built in 1974.
    Last edited: Aug 6, 2008
  2. jimbo

    jimbo Plumber

    Aug 31, 2004
    San Diego, CA
    Mixets can be tricky. Mixet of course is out of business, so all the parts are aftermarket, of varying quality. There are some thin flat washers that need to be used . They act as spacers and friction washers. Google around the net to try and find a parts breakdown showing how the go together.

    Mixets worked ok when they were new, but when they start giving problems, there are some internal wear problems on the valve body, which cannot be fixed with just new cartridges. At some point, consider replacing the whole valve with a new moen or delta
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  4. hj

    hj Moderator & Master Plumber Staff Member

    Aug 31, 2004
    Cave Creek, Arizona

    The washer on the end of the Mixet stem contacts an internal non replaceable seat. When you turn the handle it pushes the rubber washer against the seat. If they are both in good shape the water turns off, it not it will leak. It has nothing to do with the spacer washers or anything else. One option is to get a Moen style core for it from Nomix Inc. repair cartridges that fit Mixet brand valves. This also eliminates the common crossover problem associated with Mixet valve.

    It is a Moen style stem to replace the Mickey Mouse one that Mixet uses.

    Last edited by a moderator: Jun 25, 2011
  5. CTM

    CTM New Member

    Aug 6, 2008
    Thanks for the quick responses, I have used the proper spacers provided with the cartridge (same as old cartridge spacers) I think I will try the Nomix solution unless someone else has had any luck using a different cartridge available at the local Lowes. Love to hear it if anyone knows about using a different cartridge that solves the problem of the worn seat.
    That sounds like what is going on.
  6. schneider120@hotmail.com

    schneider120@hotmail.com New Member

    Jul 25, 2009
    Help- mixet valves

    Did you ever find out how to handle the worn seat issue? I have some to replace with the new core by Nomix. Also with that core, can you use other trim and knobs than original Mixet? Help-Anyone

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