Crosslinked polyethylene piping, better known as PEX piping, is great to have alongside your tools for home-improvement ... requiring nothing more than a crimp ring. However, as can frequently ...

Just be sure to center the ring over the barb and depress the crimping tool's handles completely. Crimp rings and cinch ...

All you need to do is place an expander ring onto the PEX pipe you want to use that's properly sized for the fitting you're aiming for, and then stick the tip of the expander tool into the opening.