![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
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![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/sLmJM.png)