Moen shower/tub valve leaking from stem when water is on

Discussion in 'Shower & Bathtub Forum & Blog' started by Tubal, Mar 16, 2013.

  1. Tubal

    Tubal New Member

    Apr 17, 2012
    Salt Lake City, Utah
    Hi there. I've got an old Moen single handle tub/shower valve that leaks from the stem only when the water is turned on, so the water runs out of the stem, into the sleeve, and into the tub (and some of it goes back into the wall through the sleeve I assume). I haven't pulled the cartridge, but I'm assuming it's a 1200 or 1225.

    There is a hole in the stem (you can see the hole in the picture I've attached), and this is what the water is coming out of.


    Is this a faulty cartridge or is this normal?

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