How to Replace Poly-Butyl Water Pipes With PEX | eHow
Hot and cold Pex lines with Sharkbite fittings. http://mistahlee33.wordpress.com/
Use Angle Fittings for Tight Turns - Don't take a chance on crimping the PEX at corners. Make tight turns with 90-degree angle fittings.
Learn the basics of how to connect PEX to copper and existing metal pipe as well as how to make PEX to PEX connections to create a branch line or add a valve.
"BRASS FITTING, PIPE FITTING, NIPPLE FOR CONNECTING PEX-AL-PEX PIPE"
PEX tubing and fittings are starting to push copper out of home-handyman (and plumbers') toolboxes. Learn tips for working with it and what all the specialized tools and fittings are for in this article.
Organized Pex Plumbing Pipe
Use the Same Stuff - Plumbing With PEX Tubing: http://www.familyhandyman.com/plumbing/plumbing-with-pex-tubing#2