When stronger conduit fittings are required, they are typically made of copper-free aluminum or cast iron. Other materials available for use as conduit fittings include aluminum, fiberglass, PVC, PVC ...

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

CPVC pipe tubing and fittings are perfect for areas of the country ... Also bear in mind that this isn't the same as PVC, ...