Single handle Moen (shower only) has slow leak from pipe out of wall

Discussion in 'Shower & Bathtub Forum & Blog' started by Caccaco, Apr 2, 2021.

  1. Caccaco

    Caccaco New Member

    Joined:
    Mar 19, 2020
    Location:
    Atlanta
    I am using very technical terms here but have pictures to better explain it. Our Moen shower fixture is leaking. I took off the shower head to see if it leaks directly from the wall and it does:

    [​IMG]

    Its a slow but very steady drip and over the past couple of weeks has been increasing in speed. I no longer thing it's just water left over from a shower as it will still be dripping hours later.

    This is what the handle part looks like as well as the Moen logo.

    [​IMG]


    [​IMG]

    So where do I go from here to stop this?
     
  2. Terry

    Terry Administrator Staff Member

    Joined:
    Aug 17, 2004
    Occupation:
    Plumber
    Location:
    Bothell, Washington
    This Moen valve needs a new cartridge then. Either the 1200 or the 1225

    [​IMG]
     
    Tuttles Revenge likes this.
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  4. Caccaco

    Caccaco New Member

    Joined:
    Mar 19, 2020
    Location:
    Atlanta
    Thanks!

    Is the 1200 and 1225 interchangable? Home Depot right down the road has one I can go pick up tomorrow if so.
     
  5. Terry

    Terry Administrator Staff Member

    Joined:
    Aug 17, 2004
    Occupation:
    Plumber
    Location:
    Bothell, Washington
    Either one works. The 1200 is brass, the 1225 is plastic.
     
  6. Caccaco

    Caccaco New Member

    Joined:
    Mar 19, 2020
    Location:
    Atlanta
    Got the brass one yesterday and replaced it, simple job and it does appear to have stopped the leak, so thanks!

    One thing I noticed when I took it apart while following the guides is that there were three of these metal washers/trim things inside:

    [​IMG]

    When I put it all back together I only used one and left these two out. Any idea on why this would have been like this?
     
    Last edited by a moderator: Apr 7, 2021
  7. Terry

    Terry Administrator Staff Member

    Joined:
    Aug 17, 2004
    Occupation:
    Plumber
    Location:
    Bothell, Washington
    Normally they give you one washer, and that's all I've ever used.
     
  8. Caccaco

    Caccaco New Member

    Joined:
    Mar 19, 2020
    Location:
    Atlanta
    So me just putting all of the extras in a drawer shouldn't matter much, right?

    Its been two weeks now, no leaks detected from the shower head itself.
     
  9. Tuttles Revenge

    Tuttles Revenge In the Trades

    Joined:
    Oct 15, 2014
    If you save all the extra parts in a place you can actually find them later you will never need them. If however you toss them or place them in a "safe" place, you will need them.
     
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