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    davidadrian140's Avatar
    davidadrian140 Posts: 124, Reputation: 2
    Junior Member
    		  
    #1

    Oct 23, 2010, 05:50 PM
    Fernco donuts
    Hey guy's, how's it going? Just one easy question. Can I use a fernco donut to connect 4" pvc to a 6" clay waste line or do I have to use a fernco o-ring? I'm looking for the easiest way.

    Thanks guys.
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #2

    Oct 24, 2010, 07:11 AM

    Will you be going from 4" to 6" and not 6" to 4"?
    If from 4" to 6" you're good to go.
    TIP!
    Take a file and bevel the edge of the PVC and use plenty of heavy lubricant on both the pipe and gasket.
    If you have a hard time getting the pipe started it's acceptable to shave off a few ridges,
    Good luck, Tom
    PS. Over the years I've connected drainage many ways but the method that gave me the most hassle was joining cast iron with donuts.
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