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Thread: Moen 3320 rough-in confusion

  1. #1

    Question Moen 3320 rough-in confusion

    Greetings all,

    This is my first time using the forum and I hope to see a quick resolution to my "potential" problem.

    I am installing a master shower area (for lack of a better term) with a body spray shower system. The main valve is a Moen 3320. My problem is that I do not see how I can rough-in the valve within a standard-sized wall, or for that matter, how to connect support to it.

    I've seen smaller valves supported solely by the two vertical feed lines but this valve must weigh ten pounds. It is so big that when positioned where the face plate is flush with where the finished tile will be, there is only about 3/4" left before I would hit the back part of the wall (drywall).

    Any input on how to mount this valve would be greatly appreciated.

    Thank you!

    Last edited by Terry; 03-14-2012 at 10:37 PM.

  2. #2
    Engineer jdkimes's Avatar
    Join Date
    Sep 2004
    Location
    Littleton, CO
    Posts
    181

    Default

    It looks like from the Moen website there is a kind of drop ear elbow on the top w/ two screw holes that you can use to attach to a 1x4 or some kind of metal support bar.
    But I'm an amateur.

  3. #3
    DIY Junior Member
    Join Date
    Apr 2006
    Location
    Ann Arbor MI
    Posts
    8

    Default thin wall install

    Last edited by Terry; 03-14-2012 at 10:38 PM.

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