A: The “cracking” noise is the result of expansion and contraction of the PVC pipe as it heats up and ... replace the PVC with a section of no-hub cast iron. Use no-hub couplings to connect ...

The plumber says we need to replace about 50 feet of the old cast-iron pipe with plastic drainpipe ... The next generation was no-hub cast iron with joints sealed by a stainless steel-and-rubber ...

Or, he could remove as many of the larger-diameter three-inch drains as possible and replace them with no-hub cast iron pipe. This is what should have been installed in the first place.

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 ...

Or, he could remove as many of the larger-diameter 3-inch drains as possible and replace them with no-hub cast-iron pipe. This is what should have been installed in the first place. It's very ...

When securing a vertical stack, wrap the wire or strap below a hub or an elbowed section of the pipe to keep the pipe from slipping down. Cast-iron plumbing Step 2: A reciprocating saw with a ...