Need to replace old cast iron sewer pipes? This step-by-step guide shows you how to safely cut, remove, and replace cast iron pipe with modern PVC, using the right tools and techniques for a ...

The cast iron lateral line ... chunks of yuck and get the pipe back in shape. He did a little bit of robo-spelunking, too, as you do. And no, this isn’t the only sewer bot we’ve ever featured.