Other materials available for use as conduit fittings include aluminum, fiberglass, PVC, PVC coated aluminum or steel, nylon, polyester, urethane; or regular, galvanized, or stainless steel.

PVC and CPVC, PEX, ABS, galvanized steel and cast iron — can mostly all be connected to each other with appropriate fittings.

It’s then held tight with a stainless steel metal jacket and integral clamps. The coupling will be labeled as to which type of pipe (plastic ABS and PVC, steel, cast iron, copper) each end can be ...