Types of PEX Pipe Connectors. As far as I know, there are only two ways of making connections when working with PEX: ProPEX expanding tools and metal cinching bands (aka crimp rings).

Glued connections: PVC (polyvinyl chloride), CPVC (chlorinated polyvinyl chloride), and ABS (forget it — nobody knows how to pronounce it anyway) are types of plastic pipes you might use around ...