3 inch drain copper to ABS

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by joe the hockey player, May 17, 2019.

  1. joe the hockey player

    joe the hockey player New Member

    Joined:
    May 17, 2019
    Location:
    montreal
    Hi, I'm using 3 inch to 3 inch rubber hose both side are same thickness as of picture 1 and 2 they told me its good for ABS to cooper or should I use the one in the 3rd picture which one side is good for copper and the other side is for ABS .thanks for your help
     

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  2. Terry

    Terry Administrator Staff Member

    Joined:
    Aug 17, 2004
    Occupation:
    Plumber
    Location:
    Bothell, Washington
    You only use shielded couplings for that, and the third picture shows the right one for the job. Copper to ABS/Plastic
    Without the metal covering, the "rubber only" coupling allow the pipes to shift over time blocking the lines.
     
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  4. joe the hockey player

    joe the hockey player New Member

    Joined:
    May 17, 2019
    Location:
    montreal
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