TOTO WT153M DuoFit In-Wall Toilet Tank - washlet outlet cap jammed

Discussion in 'Toilet Forum discussions' started by portlandbill, Dec 17, 2020.

  1. portlandbill

    portlandbill New Member

    Joined:
    Jan 23, 2011
    Location:
    Portland Oregon
    Any suggestions on backing out the cap on the washlet outlet on a Duo-Fit WT153M in-wall tank?
    It is jammed in there pretty good. I tried a 9mm hex wrench, worked out it was probably 3/8-inch but the soft brass is by now stripped. I'm trying to avoid removing and replacing the tank, cement-board, and tiles.

    I've ordered a Irwin Extractor set with the reverse thread spiral flutes. I'm hoping I can get that in there and get some counter-clockwise force going.
    If anyone has other suggestions, this would be very welcome.

    BTW, I brought this on myself by installing the tank without first attempting to unscrew and then insert the cap BEFORE tiling. Don't be like Bill, don't be an idiot!

    duo washlet.jpg
     
  2. Terry

    Terry Administrator Staff Member

    Joined:
    Aug 17, 2004
    Occupation:
    Plumber
    Location:
    Bothell, Washington
    Is this a before picture or an after picture?
    I would not have thought to remove it first either.

    [​IMG]


    [​IMG]

    [​IMG]
     
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  4. portlandbill

    portlandbill New Member

    Joined:
    Jan 23, 2011
    Location:
    Portland Oregon
    That's exactly my in-wall tank Terry. It's that little outlet on the bottom left. I can't believe how tightly it's sealed up. The thing is it's never been touched; that's how it was delivered.
    When I was doing the cement board/tiling (I did this myself) I was thinking I should have had a capped off stem installed just to make sure the outlet remained clear. I would always do that for future installs now that I know this can go wrong.
     
  5. portlandbill

    portlandbill New Member

    Joined:
    Jan 23, 2011
    Location:
    Portland Oregon
    My photo was before. The hex indentation is too rounded now for an Allen key to engage.
     
  6. Reach4

    Reach4 Well-Known Member

    Joined:
    Sep 25, 2013
    Location:
    IL
    [​IMG]

    How about 10 mm? 10 mm is a common size.

    Chamfer on the hex wrench is your enemy. Cheap soft-steel tool is your enemy.
     
  7. portlandbill

    portlandbill New Member

    Joined:
    Jan 23, 2011
    Location:
    Portland Oregon
    It was a 3/8-inch, 10mm would not fit. I think by first using a 9mm which was too small I destroyed the hex socket. (3/8" is ~9.5mm)

    In any case the problem is solved. Thanks to $144 splashed out on an Irwin Screw Extractor Kit. It took a 2-foot long socket wrench handle to get the plug to move. That thing was in hard!

    There was a bunch of stippling all around the plug and there was a fibrous sealing material - none of this looks like something the rough-in plumber would have done so perhaps it came from Toto like that?

    In any case that was a mistake I will never make again. I'll always check that the washlet outlet plug can be removed before putting up cement board and tiling.

    2.jpg

    1.jpg
     
    breplum and Reach4 like this.
  8. Tuttles Revenge

    Tuttles Revenge In the Trades

    Joined:
    Oct 15, 2014
    Hansgrohe sends out their plugs with the same knurled/stippling on the threads. It probably catches sealant better. I can't imagine why they would put it in so tightly. But its good to know that the plug should be removed first and then tightened enough that mere mortals can remove later.

    Reminds me of changing the oil in my vintage VW bus transaxle. One must first loosen the filler plug before loosening the drain plug.. No reason to drain it if you cant fill it back up.

    Also, thats an interesting extractor tool. I'm used to the bigger longer ones used for pipe nipples, that will bottom out on the backside of elbows occasionally before they loosen the nipple.
     
  9. portlandbill

    portlandbill New Member

    Joined:
    Jan 23, 2011
    Location:
    Portland Oregon
    All's well that ends well

    toto2.jpg
     
    Tuttles Revenge likes this.
  10. Terry

    Terry Administrator Staff Member

    Joined:
    Aug 17, 2004
    Occupation:
    Plumber
    Location:
    Bothell, Washington
    Looks nice. :)
     
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