Mixing materials in DWV

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by InspectorGadget, May 29, 2005.

  1. InspectorGadget

    InspectorGadget New Member

    Joined:
    Apr 10, 2005
    I know that it's not good practice to use dissimilar materials when soldering, cementing, or chemical welding.

    What about compression fittings?

    I have ABS in the wall for drainage. Can I use PVC from the bottom of the sink, as a p-trap, and then connect the PVC directly to the ABS with a compression fitting? Any long term problems associated with this?

    Steve
     
  2. jimbo

    jimbo Plumber

    Joined:
    Aug 31, 2004
    Location:
    San Diego
    If you mean using tubular fittings under the sink and connecting at the wall with a slip-joint adapter, this is very normal.
     
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