![plumbing - How can I replace this cast iron tee without increasing the width of the connecting pipes? - Home Improvement Stack Exchange plumbing - How can I replace this cast iron tee without increasing the width of the connecting pipes? - Home Improvement Stack Exchange](https://i.stack.imgur.com/Qbzli.png)
plumbing - How can I replace this cast iron tee without increasing the width of the connecting pipes? - Home Improvement Stack Exchange
![Charlotte Pipe 1-1/2-in PVC DWV Cast-Iron Adapter in the PVC DWV Pipe & Fittings department at Lowes.com Charlotte Pipe 1-1/2-in PVC DWV Cast-Iron Adapter in the PVC DWV Pipe & Fittings department at Lowes.com](https://mobileimages.lowes.com/productimages/9280729d-636b-4d69-9b52-6d42b8579729/04054893.jpg)
Charlotte Pipe 1-1/2-in PVC DWV Cast-Iron Adapter in the PVC DWV Pipe & Fittings department at Lowes.com
![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://i.redd.it/cv2m2fpiovx41.jpg)
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
![3000-44 - Fernco 3000-44 - 4" x 4" ProFlex Coupling (Cast Iron to PVC, Steel or Extra-Heavy Cast Iron) 3000-44 - Fernco 3000-44 - 4" x 4" ProFlex Coupling (Cast Iron to PVC, Steel or Extra-Heavy Cast Iron)](https://www.supplyhouse.com/images/products/zoom/3000-44-3.jpg)
3000-44 - Fernco 3000-44 - 4" x 4" ProFlex Coupling (Cast Iron to PVC, Steel or Extra-Heavy Cast Iron)
Replace lower section of cast iron plumbing stack with PVC: good idea, or not? | Terry Love Plumbing Advice & Remodel DIY & Professional Forum
![How should I connect PVC plumbing for two sinks to old cast iron stack with two threaded tees? - Home Improvement Stack Exchange How should I connect PVC plumbing for two sinks to old cast iron stack with two threaded tees? - Home Improvement Stack Exchange](https://i.stack.imgur.com/2CiXj.jpg)