This would best be accomplished by a professional plumber, right?
Also are the joints between the PVC and the cast iron reliable and durable so I would not have to worry about leaks
Do you have that specific situation of a need for heat resistance pipe in one area then back to PVC in your experience? I was thinking of a length of about 7' centered above the stove. The rest of the PVC pipe will be hidden behind enclosures I am building now to finish part of the basement.
Thanks for your time, I will check with a local plumber soon to solicit a bid for the work.