Do I Need Special Tools? Yes. When plumbing with PEX, you can use stab-in or compression fittings to make the connections, but they’re too expensive to be practical on large projects.

In the process of replacing your piping but not sure which material is best? This guide covers everything you need to know about pex vs. copper piping.

Key Takeaways Pex-Al-Pex Compression Fittings offer easier and faster installation with lower labour costs, making them ideal for both professionals and DIY enthusiasts.

Instead of an expander, PEX B instead requires smaller fittings that fit inside the pipe, and then a compression ring that's crimped to seal the connection.

ACCUCRIMP PPSU PEX FITTINGS feature integrally molded positioning tabs that serve as a stop and perfectly locate the crimp ring over the sealing barbs, helping eliminate potential leaks.