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Thread: Ceiling supplies and Kohler K-303 Why Not?

  1. #1
    DIY Junior Member leorob's Avatar
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    Default Ceiling supplies and Kohler K-303 Why Not?

    I am remodeling a shower and will be installing a Kohler k-303 Three valve shower valve (Hot, Cold & diverter).
    For some reason the instructions say that I cannot use this valve with ceiling supplies.
    I could certainly re-route the copper and bring the supplies in from below, but, for the life of me I can't figure out why they say not to use the three valve yoke with ceiling supplies.
    (The also make a two valve yoke {without the diverter} and there is no such warning for this one).
    Any ideas?

  2. #2
    Retired Defense Industry Engineer jadnashua's Avatar
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    Hate to burst your bubble, but unless I've overlooked it, that valve will NOT pass inspection on a remodel or new installation - it does not have the mandated anti-scald technology REQUIRED by code. Save yourself some hassles, ditch the Kohler, and install a different brand. Kohler changes their designs on a whim, and getting parts is really tough, not counting the code issues. They do make valves that will pass code if you decide to stay with them.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  3. #3
    DIY Junior Member leorob's Avatar
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    Default Your are correct....but

    You are correct to a point.
    Since I am replacing an existing 2 handle shower whose valves have gone bad, the city will let me install the valve in question.
    If this were new construction, OR a major remodel you would be correct.
    They will not force a homeowner to redo tile in a case like this.
    So, my question remains....Why no ceiling supply?

  4. #4
    Plumber jimbo's Avatar
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    Default

    well, ceiling supplies might imply that you would turn the valve upside down for easy entry, and it may have a restrictor in the "up" outlet.

    If you can get inside the wall to install a new 3 handle valve, seems like you could install a single handle, with a smitty trim of course.

    I am surprised that Kohler still makes a 3 handle. PP does, but I am pretty sure the Moen and Delta do not.

  5. #5
    Moderator & Master Plumber hj's Avatar
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    Default valve

    You can use ceiling supplies, you just have to drop them below the valve and come up into it from the bottom. With a 3 valve diverter, inverting it would reverse the operation of the diverter handle.

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