1950s American Standard Shower Mixer Valve leaking

Discussion in 'Shower & Bathtub Forum & Blog' started by Btrandum, Jun 13, 2012.

  1. Btrandum

    Btrandum New Member

    Joined:
    Jun 12, 2012
    Location:
    Vaughn, WA
    Need help identifying American Standard Shower Mixer Valve

    First time poster. I have a leaking shower mixer valve. I've posted three photos. The valve seats are shown in the first photo, I don't have a tool to dress the seats, and unless advised otherwise I'd try to do it with a grinding disk on a Dremel tool. The second photo is of the valve assembly in place. The third shows the operating assembly. Any idea of a model number or where to get parts?
     

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    Last edited: Jun 20, 2012
  2. chadw

    chadw New Member

    Joined:
    Jun 27, 2012
    Location:
    NYC
    That's an American Standard commercial unit. I just purchased a rebuild kit at FW Webb plumbing, (203) 325-1355.
    Part number was A/SR12936.09 "R1400 RENU RP OVERHAUL" 442005

    If you choose to replace it instead I'm interested in the trim hardware.
     
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  4. Btrandum

    Btrandum New Member

    Joined:
    Jun 12, 2012
    Location:
    Vaughn, WA
    Thanks Chad. I'll contact them. The trim is in very good condition, so if I can rebuild my plan is to keep it, but if not, you're the man.
     
  5. KellyIN

    KellyIN New Member

    Joined:
    Sep 14, 2012
    Location:
    New Albany, IN
    IMAG0365 - Copy (451x800).jpg IMAG0366 - Copy (451x800).jpg
    I have the exact same shower valve and could use some help. The shower head is only producing lukewarm water when the handle is turned to full HOT position. Yet, the bathtub hot water is working just fine. Do you have any idea why I don't receive full use of the hot water in the shower head? I took the valve apart and replaced the rubber washers, but it didn't make a difference.
     
    Last edited: Sep 14, 2012
  6. Btrandum

    Btrandum New Member

    Joined:
    Jun 12, 2012
    Location:
    Vaughn, WA
    Hi Kelly, I still haven't rebuilt mine, but here's an idea for you. Do you see the threaded post that extends from the valve seat on one side and bumps against the housing? It may be too long, so when you move the temperature arm it is stopped by that post before it moves far enough to turn the hot side on all the way. On mine it is brass and quite soft so I'm not sure how to turn it without breaking it. A trick i used with a frozen motor part, taught to me by an auto mechanic, was to sit it in a solvent bath for a month and it loosened up. Means no shower for a month.
     
  7. tommy h

    tommy h New Member

    Joined:
    Jan 11, 2013
    Location:
    Lindenhurst, New York
    i was wondering if you have rebuilt the american standard mixing valve yet?
     
  8. Pb82

    Pb82 New Member

    Joined:
    Aug 15, 2016
    Location:
    Illinois
    I have one like the one in the first picture. The inside, though, looks different. I fixed the leak from the shower head by replacing the gasket around the stem, but the unit fills with water and comes out of the screw holes. My question is whether there is a round gasket between what we see in the picture and what's behind it, around the rim. I didn't find one when I took it apart. I think I can fix the leaks from the screw holes with new washers, but I'd like to know whether I should be looking to replace a gasket as well.
     
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