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Thread: Shower Fixture Installation Question

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  1. #1

    Default Shower Fixture Installation Question

    Hello, I am installing a shower fixture and I知 trying to ensure I do it properly. Below is a picture. I need to bring the fixture out a bit to accommodate a change in the shower base dimensions. There are galvanized supply pipes coming from the ceiling. I知 attaching a dielectric union and then two or three 90 degree street elbows, a small copper piece and then a male adapter which attaches to the fixture. I知 applying wood glueJ/k! solder of course. My concerns are too many twist and turns. I guess I can just take the second street elbow out and make it a horizontal piece. I知 also unsure if soldering street elbows is adequate as they seem to have a looser connection as compared to say a street elbow connected to a regular piece of copper pipe. Any advice is greatly appreciated. I also posted this w/ a poor title on the shower forum. I apologize to the moderator/forum and will not double post in future.
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  2. #2
    DIY Senior Member Cal's Avatar
    Join Date
    May 2005
    Northern Virginia


    There is nothing wrong with what you are doing . If you are too concerned with too many turns use a 45 out of the diaeletric then a 90 into your valve. Don't worry about the fit of the st 90,,,they're just like that,,,a little loose.

  3. #3
    Moderator & Master Plumber hj's Avatar
    Join Date
    Aug 2004
    Cave Creek, Arizona

    Default joint

    Why not just use a straight piece of copper down out of the dielectric, (it will also make you life easier when you solder to the dielectric so you don't melt everything since you will be able to solder it without the nut or insulator in place), then a regular elbow facing out and a steet elbow into it?

  4. #4


    Cal, It's nice to know that too many twist and turns isn't really a problem and that you can just put together your "puzzle" pretty much the way you want. Thanks!

    HJ, I took apart the dielectric union and that soldering issue would have created another question for me and I definitely will take it apart and solder w/ out the nuts and w/ a straight piece. Thanks as well!


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