3" copper to 3" PVC DWV transition

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by Gregkl, Jan 13, 2020.

  1. Gregkl

    Gregkl New Member

    Joined:
    Nov 19, 2019
    Occupation:
    Sales
    Location:
    Indiana
    I am replacing some of my copper main drain line due to a reconfiguration of my bathrooms. I moved the toilet flanges approx 2" to meet code and moved my venting due to losing the original wall the vent stack was in.

    When I went into the crawlspace to connect my PVC to the original copper via Fernco, the PVC is offset slightly from the copper.

    My questions and concerns are:
    1. Is is possible to have a little angle at the Fernco between the two pipes?
    2. How can I get it to line up perfectly if that is what is needed? I am about 1" out of alignment. I was thinking I could try a couple 22 1/2 fittings but that might move it out too much.
    3. Am I overthinking this as usual? Just torque the screws on the Fernco and move on?
    4. Is there another solution?

    Thanks. I did a search but didn't find a post with this same issue.
     
  2. Terry

    Terry Administrator Staff Member

    Joined:
    Aug 17, 2004
    Occupation:
    Plumber
    Location:
    Bothell, Washington
    They make couplings that match both sides.
    Copper to plastic
    Copper to old cast
    old cast to plastic

    [​IMG]
     
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