While there are a lot of ways to deal with this problem, we believe the best solution is to replace the PVC with a section of no-hub cast iron. Use no-hub couplings to connect the cast iron to the ...

ATLANTA — The Cast Iron Soil Pipe Institute announced that it has partnered with NSF International, an organization committed to protecting public health and the environment, to launch a new ...

The next generation was no-hub cast iron with joints sealed by a stainless steel-and-rubber coupling. A steel band similar to an auto's radiator clamp sealed the joint.