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    noeyv's Avatar
    noeyv Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Apr 27, 2012, 08:35 AM
    How to tie into cast iron stack
    I want to to tie into a 4" vertical stack it has a clean out with 4" brass plug. My question is this; Is there some way to install an adapter to this cleanout using an adapter of some sort for PVC?
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #2

    Apr 27, 2012, 04:29 PM
    Hi Noeyv

    This is a practice that is not only against code, but also seriously frowned upon as the cleanout has no direction and the threads of the cleanout tend to catch crap/stuff and clog up the drains pretty easily.

    However, with that being said, some people will still do it if they can find a proper transition bushing and they aren't going to have the work inspected.

    Measure across the cap... what is its diameter?

    I would prefer to see you cut out the cleanout and install a new drain fitting and a cleanout above that... ;)

    Mark
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