I need to install a connection in the cast iron stack to accommodate a 2" washer drain. I was thinking about supporting the stack, cutting a section out and installing a 4" pvc wye to run my drain pipe to, which is about 14' away.

I need to add a sink drain to a 3" soil stack. I don't have room to add a wye above the 3" to 4" cast iron reducer (B). Can I eliminate the cast iron reducer (B) and and use a shorter fitting to take the 3" ABS directly into the 4" cast cleanout (C)? What kind of problems might I encounter removing...

I want to move my laundry room into another room. I know I have a cast iron pipe running down from the upstairs bathroom. Can I tie into that pipe or do I need to do something different?

I have a copper stack pipe coming down from upstairs washrooms leading into a cast iron drain line that ultimately goes through the basement and out to the septic tank. It looks as though the copper stack was simply run into the cast iron drain with some kind of sealant. At this point it appears...

I need to replace a drain line from an old double cast iron kitchen sink. The existing pipe is 1.5" galvanized steel which threads directly into female threads on a 4" cast iron stack. The male threads of the galvanized pipe broke off in the cast iron. I'm guessing the easiest solution is to...