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Thread: American Standard shower handles: removal and ID

  1. #1
    DIY Junior Member boblothrope's Avatar
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    Default American Standard shower handles: removal and ID

    I'd like to remove these two American Standard shower handles, particularly the one with the starbust design, so I can clean out or replace the cartridge.

    I'm having trouble removing the set screw. It looks like it takes a slotted screwdriver, but I tried several, and they don't feel like they're engaging the screw at all. Anyone know what size screwdriver or allen key I should be using?

    Also, if you happen to know the name of this trim style and the model of cartridge, it would be helpful. Though I do have a great plumbing supply store that can identify the old cartridge if I bring it in.

    Thanks!

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  2. #2
    Moderator & Master Plumber hj's Avatar
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    The plate looks like a Ceramix, but the handles look like the Ultramix+.

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    Plumber jimbo's Avatar
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    Here is the trim sheet showing ceramix , and others , which use the R120 series rough valve. http://www.americanstandard-us.com/a...Parts_2062.pdf. Here is the r120 http://www.americanstandard-us.com/a...Parts_2211.pdf



    Ultramix I think is older. The one on the left could also be Aquarian, but since your showers are probably the same age, is is probably Ultramix http://www.americanstandard-us.com/a...Parts_2789.pdf or http://www.americanstandard-us.com/a...Parts_2772.pdf


    The valve parts are not the same for the two models I have shown. You won't know for sure what animal you have until you get the trims off. Anyway, the parts are readily available from a good supplier.

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    DIY Junior Member boblothrope's Avatar
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    Quote Originally Posted by jimbo View Post
    Here is the trim sheet showing ceramix , and others , which use the R120 series rough valve. http://www.americanstandard-us.com/a...Parts_2062.pdf. Here is the r120 http://www.americanstandard-us.com/a...Parts_2211.pdf
    Thanks. I think they are models which take a R120 valve. The handle goes up and down for volume, and rotates for temperature.

    Any tips for loosening the set screw, like what size screwdriver to use?

  5. #5
    Plumber jimbo's Avatar
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    Unless someone previoulsy replaced it , the screw should be an allen ( HEX) set screw. you just have to get a good look at it with a flashlight and mirror, and pull the right tool out of your tool box. Spraying a little white vinegar onto it can help with mineral buildups,

  6. #6
    DIY Junior Member boblothrope's Avatar
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    I recently fixed a relative's wobbly American Standard shower handle of a similar vintage. After a big wet struggle with various allen keys (the shower was running, since it was an apartment and we didn't have access to the shutoffs), I got underneath and looked, and the set screw took a slotted screwdriver.

    So I tried that on mine (the second picture) when I got home, without success. I looked underneath, and that one took an allen key!

    The detail you've all been waiting for: it was the 3/32" size allen key. (Nowhere could I find this information on the Internet.)

    So now I'm pretty sure that the one in the first picture needs a long thin slotted screwdriver, since that's what it looked like, and either type of screw is a possibility.

    I took out the cartridge by removing the 3 screws. It didn't look clogged. When I put it back, it seemed a little noisier. Would soaking it in vinegar be good for it, and possibly reduce the noise?

    If there was a second cartridge for pressure-balancing which remained in the valve body, I couldn't figure out how to remove it.

    I wasn't sure how tight the 3 screws should be. If I tightened them too much, the handle was hard to move, but I really don't want it to leak inside the wall. Any guidelines?

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