When old cast iron pipes are replaced with PVC pipes, will there be any noticeable difference to the homeowner in their water system? - Quora
Replace lower section of cast iron plumbing stack with PVC: good idea, or not? | Terry Love Plumbing Advice & Remodel DIY & Professional Forum
![I just replaced an old cast iron stink pipe (or so I think it was cast iron, house was built in the 60's). Ended up replacing it with PVC pipe with some I just replaced an old cast iron stink pipe (or so I think it was cast iron, house was built in the 60's). Ended up replacing it with PVC pipe with some](https://preview.redd.it/cv2m2fpiovx41.jpg?auto=webp&s=066cb5bb3e048cb54eca4aa88d6cfa1fb807552b)