Re: DWV sizing?
Posted by More on June 24, 19100 at 00:18:45:
In response to Re: DWV sizing?
: I want to replace from roof to basement, the cast iron pipe which was chased out in my bath on 2nd floor. I plan on cutting this pipe in the attic first, then removing it down to basement. I need to use a smaller line then from basement up so that I can hide this run in a wall? What are the minimum sizes for these pipes.

See Terry Love's Vent sizing posting below at June /22 for the drawing, and statement that 2" is the right size vent

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