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-   -   Installing a shower trap in the basement (https://www.askmehelpdesk.com/showthread.php?t=23742)

  • Mar 31, 2006, 11:31 AM
    vette100
    Installing a shower trap in the basement
    Hello,

    This is my first post.

    When I purchase my house a full bath was roughed into the basement.

    I am in the process of installing a shower base in my basement.

    The builder roughed in the shower as follows
    - 6 inch PVC pipe straight into the concete
    - inside the center of the 6 inch pipe is a 2 1/2 inch PVC drain pipe for the shower
    - the 2 1/4 drain pipe is connected to a 4 inch 90 about 3 feet down into the concrete.

    Based on what I see there is no trap for the shower. I assume the purpose of the 6 inch pipe that surrounds the 2 1/2 drain is to give enough room to install a trap.

    Because the 2 1/2 drain pipe runs vertical I am assuming I need to install a S-trap. Put I don't think I have enough room.

    Can anyone give me some advice on the proper way to install the trap. Are there any other types of traps I should be using? Thanks
  • Mar 31, 2006, 11:58 AM
    speedball1
    "The 2 1/4 drain pipe is connected to a 4 inch 90 about 3 feet down into the concrete. Because the 2 1/2 drain pipe runs vertical I am assuming I need to install a S-trap. Put I don't think I have enough room"

    First off, "S" traps are outlawed. Are you sure he didn't leave you a vent? If what you're telling me is that the plumber rolled up a 4 X 2 fitting on its back and a 2" raiser is brought up to floor level then you should call the builder back and have him contact the plumbing contractor and have them send a man out at their expense to do the job right. The way you discribe the fittings there's no way they can be used to hook up either a shower or a tub. If the 2" pipe were horizontal instead of vertical you would have a chance to install a "P" trap but the way it sets the floor will have to come up and the 4" fitting cut out and the entire shower rough-in will have to be redone. Good luck and keep me informed. Tom
  • Mar 31, 2006, 12:03 PM
    vette100
    Thanks for your help. I am going to call the builder.

    Thanks again. Mark

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