Difficult to replace cast iron stack?

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papakevin

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I have opened up an old kitchen wall and have quite a mess (see photo.) I’m planning on replacing all the plumbing with pex, but the old cast iron stack is concerning. Is this something I can replace myself with schedule 40? How difficult would this be? Any suggestions? Thanks.
 

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oldognewtrick

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It's not difficult. But you need to support the vertical run before you cut the pipe. Fernco fittings are easy to blend cast into pvc drains. It's a rubber bushing with two clamps.
 

billshack

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If it is not leaking then why change it , i have seen cast iron still good after 100 years .
 
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