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Thread: Is it possible to jog the shower supply line above the valve?

  1. #1

    Default Is it possible to jog the shower supply line above the valve?

    I've tried searching my brains out for an answer to this question, but haven't found anything here...

    I am remodeling my bathroom and am roughing in the tub/shower supply plumbing. I'm using a Kohler pressure balancing valve, K-304-K (or close). Unfortunately, the straight shot up from the valve to the shower elbow runs into an existing electrical box in the adjacent kitchen... Can I leave the valve, shower spout, and tub spout centered and simply jog the shower 1/2" copper supply to the shower around it? if I used 45 deg elbows, i'd be minimizing the pressure loss... but would it be enough of a minimizing?

    HELP!?

    -owen

  2. #2
    In the Trades Gary Swart's Avatar
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    Default

    Making a less than straight run from the valve to the shower elbow won't hurt the water pressure/flow, but I would question the wisdom of an electrical box in close proximity to a potential water leak. Mind you, I'm not pro, but it just doesn't seem right to me. Could you relocate the electrical box? Well, of you can, but would it be a major problem to move it is really the question.

  3. #3
    Moderator & Master Plumber hj's Avatar
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    Default valve

    Flow restriction only becomes a consideration when you get close to the maximum velocity the pipe can handle. That is seldom the case with a single item such as a shower valve, so you can reroute the piping, within limits, as much as necessary. And the fittings used are not usually critical either.

  4. #4

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    Yeah, moving that box would really suck. The kitchen electrical was done professionally and well, so I can only assume that it's ok. Right?

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

    Don't even worry about the box. lf you have a leak that MIGHT cause a problem with it, then you will also have a much more serious problem than the location of the box.

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