why did the plumber do this?

Discussion in 'Shower & bathtub Forum & Blog' started by trapman, Feb 5, 2012.

  1. trapman

    trapman New Member

    Messages:
    5
    Location:
    Madison WI
    In the process of redo on downstairs bathroom of my house which was built in 1949.
    When I removed the old plaster/drywall I found the copper pipe to the shower head
    had this strange run in it. Can someone tell me the purpose?

    Thanks
    Dave

    Attached Files:

  2. RRW

    RRW New Member

    Messages:
    91
    Location:
    Illinois
    Since copper has a pretty high coefficient of expansion I bet it is there to keep the pipe from pushing the shower head up when it is hot.
  3. dlarrivee

    dlarrivee New Member

    Messages:
    1,172
    Location:
    Canada
    All I can do is laugh.
  4. Hackney plumbing

    Hackney plumbing Homeowner

    Messages:
    1,174
    Location:
    Alabama
    He didn't have two couplings but he had 4 90's.......and some cold beer waiting at home.
  5. jimbo

    jimbo Plumber

    Messages:
    8,997
    Location:
    San Diego
    He needed an offset and didn't have any 45's\

    There was something in the way, on one side of the wall or another, at the time. Recessed soap dish?
  6. johnfrwhipple

    johnfrwhipple Bathroom Design & Build - North Vancouver, B.C.

    Messages:
    4,143
    Location:
    North Vancouver, BC

    LOL - So true. I have seen this done with double 45's when no coupling is on site.

    Nice Call.

    I did make a similar sculpture years ago when my Step Dad was teaching me to solder. Could just be art.

    Maybe they wanted lower water pressure???
  7. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,631
    Location:
    Cave Creek, Arizona
    someone told him they were going to put a soap dish in the wall at that point so he had to offset around it. Expansion is not even close to being a factor in a short shower riser, and if he had had a leak it would have been faster to take the elbow loose than go to that amount of work.
  8. trapman

    trapman New Member

    Messages:
    5
    Location:
    Madison WI
    Thanks for the various comments. I guess I like the "had four 90's and no couplings and cold beer waiting" as best answer.

    Dave
  9. Terry

    Terry Administrator Staff Member

    Messages:
    15,004
    Location:
    Bothell, Washington
    I agree with hj, it was most likely done for a future soap dish.
    I've been requested to pipe around a soap dish before.
  10. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,631
    Location:
    Cave Creek, Arizona
    quote; I guess I like the "had four 90's and no couplings and cold beer waiting" as best answer.

    Not really, because there was no reason WHY he would have needed ANOTHER coupling since he already has one by the valve, and if the "four 90s" was the reason, he could have made less of an offset and a shorter one.
  11. Hackney plumbing

    Hackney plumbing Homeowner

    Messages:
    1,174
    Location:
    Alabama
    Yeah well we are both guessing unless you did the work. I decided to have a sense of humor.
  12. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,631
    Location:
    Cave Creek, Arizona
    quote; I decided to have a sense of humor.

    In that case, maybe he thought there was too much pressure and decided to create some additional restriction to the flow, especially if he used CPVC or PEX down to the spout. Sort of like the technician in the computer room at the university I used to work at. She had a lamp which was too bright so she plugged it into a long extension cord then would the cord into a coil and stuck it in a drawer, figuring if the electricity had to travel farther it would be weaker.
  13. Gary Swart

    Gary Swart In the Trades

    Messages:
    7,349
    Location:
    Yakima WA
    Has it been established what kind of beer he had waiting? Inquiring minds want to know!
  14. Smooky

    Smooky Member

    Messages:
    622
    Location:
    NC
    In the back side of the wall you can see there is a plywood repair panel behind the shower valve and this section of pipe fittings. My thought is at some point the valve was changed and the copper pipe had to be cut. A new valve was installed and it was easier to put the pipes back together using two 90’s on the straight section of pipe and then using the last two 90’s to make a “U” and sweat it all back together.

    Terry mentioned this in a post a week or so ago “use four 90's
    that way the last piece that glues in is like a U."
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