shower the valve turns on by it's self

Discussion in 'Shower & Bathtub Forum & Blog' started by ghostvalve, Oct 31, 2006.

  1. ghostvalve

    ghostvalve New Member

    Oct 31, 2006
    I have a single lever control valve that controls both temp and flow in a shower at my home. Directly after taking a shower the valve will turn on again. If I run cold water though the valve it will stay off. What is the cause of my problem?
  2. plumber1

    plumber1 Plumber

    Aug 7, 2005
    I don't know. What make faucet is it..........
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  4. Cass

    Cass Plumber

    Nov 12, 2005
    It must be ghooooooooooosts if it's happening today. :)
  5. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Sep 2, 2004
    Retired Systems engineer for defense industry.
    New England
    Somebody else had that problem recently, so try a search (blue bar above). If I remember, the manufacturer suggested removing some of the grease in the cartridge. What brand is it, and how old is it? Do you have a clue what your water pressure is? You can buy an inexpensive gauge from a big box store for less than $10 and screw it onto the hose valve or the washing machine supply and check it out.
  6. Verdeboy

    Verdeboy In the Trades

    Jun 12, 2006
    Did you just do some work on that valve? I had that happen to me with a moen cartridge that I had replaced. There was a bit of the old rubber seal left in the pipe and it prevented the cartridge from being pushed in all the way. The water pressure then would slowly push the cartridge out to the "on" position.

    In any case, you need to take the cartridge out and check for gunk, too much grease, or the aforementioned old rubber seal.
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