![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)
How should I connect PVC plumbing for two sinks to old cast iron stack with two threaded tees? - Home Improvement Stack Exchange
When old cast iron pipes are replaced with PVC pipes, will there be any noticeable difference to the homeowner in their water system? - Quora
![Connect new bathtub PVC drain to cast iron under slab | Terry Love Plumbing Advice & Remodel DIY & Professional Forum Connect new bathtub PVC drain to cast iron under slab | Terry Love Plumbing Advice & Remodel DIY & Professional Forum](https://terrylove.com/forums/proxy.php?image=https%3A%2F%2Fi.imgur.com%2FjEqB3tK.jpg&hash=b717c3aae7a4eba01b05ac5deb02ba59)