Here is a catalogue of helpful articles and white papers on PEX and other plumbing and heating related products that have been written by us or our manufacturers at

What’s the Difference between Wirsbo and PEX?

What is the difference between each type of PEX?

How to Read a PEX Pipe Print Stream

What are the types of PEX Fittings?

Who Makes PEX-a Pipe?