What can I cut cast iron DWV pipe with besides the cutting wrench?
If I read your letter right you are taking off the old cast iron closet collar and want to put on a new closet collar. On one of the “This old house ” episodes the plumbing guy took off the old C.I. flange and put on a flange that fit over the C.I. pipe it was a p.v.c. flange he put on and , it was of the compression type so that as he tightened it , it compressed around the C.I. pipe and fit really snug so that when he was done I don’t believe he even screwed it to the floor although I recommend that all closet flanges be anchored to the floor. I am sorry that they never did say where you could buy this closet flange the best bet would be to call a plumbing supply house and see if they can get this or check on it. The other way to cut this cast iron pipe is with bimetal blades for a sawzall it should say on the blade “for cast iron” bear in mind if this cast iron was put in, in 1915 it is the old extra heavy cast iron and is probably about an 1/8 to 1/4 inch thick and you will have a
