Question about shower copper piping route

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by lucgallant, May 15, 2011.

  1. lucgallant

    lucgallant New Member

    Jan 22, 2011
    Electrical Engineer
    Fort McMurray, Alberta
    Hi there,

    I am supply piping to the shower faucet and I had a question about if a route is acceptable. I have drawn two routes, one is in blue, and it would go through the back wall of the shower, and then around the corner to the faucet. The other, in red, goes between the ceiling drywall and the HVAC ducting, and then I would etch out 3/4" of the face of the top wall plate in order to have the piping recessed there, and then put a protective plate over top. Between the ceiling drywall and the duct there will be approximately 3/4", just enough for the 1/2" pipe.

    Is the red route acceptable or would that be considered poor workmanship? The blue route would need a lot of 45/90s and I'm concerned it might restrict the flow...

    I'd love to know what an experienced plumber would do. Thanks!

  2. cwhyu2

    cwhyu2 Consultant

    Aug 11, 2007
    Cincinnati OH
    I would go the blue route more fittings and more drilling.
    But save you in the long run.
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  4. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Sep 2, 2004
    Retired Systems engineer for defense industry.
    New England
    You don't want the copper pipe in contact with the duct, so keep that in mind when doing the rough-in.
  5. hj

    hj Moderator & Master Plumber Staff Member

    Aug 31, 2004
    Cave Creek, Arizona
    If you can do the red route without touching the ductwork, that is the way I would go.
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