Replace lower section of cast iron plumbing stack with PVC: good idea, or not? | Terry Love Plumbing Advice & Remodel DIY & Professional Forum
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Fernco 4 in. Service Weight Cast Iron Hub x 4 in. Sch. 40 PVC Compression Coupling P44U-405 - The Home Depot
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3000-44 - Fernco 3000-44 - 4" x 4" ProFlex Coupling (Cast Iron to PVC, Steel or Extra-Heavy Cast Iron)
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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
![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)
Connect new bathtub PVC drain to cast iron under slab | Terry Love Plumbing Advice & Remodel DIY & Professional Forum
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