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Author:
jay73 (IN)
I have an old 4" cast iron sewer drain in crawl space. Currently only a 2" PVC (horizontal) line is able to connect to it.
[photos.app.goo.gl]
I'm thinking of cut the 4" CI line so I can use 3" or larger PVC pipes. I think it is stacked by lead band, but it would be nice if I don't have to cut it.
Any suggestions?
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Author:
Don411 (IN)
If you can remove that cast iron reducing fitting (the one with the 20 amp wire resting on it and the XH stamped on it) that would leave you with a 4" cast iron hub. That hub is the bottom piece of the assembly and says "4 XH" on it. Use a Fernco donut fitting like this in the fitting and insert 4" PVC right into it. Once you go up and turn horizontal with the 4" then you can add in the existing 2" PVC with a wye fitting.
Cutting that old pipe is a bear so removing that reducer from the existing hub will likely be easier. The pros will chime in shortly on recommended tools and techniques.
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