Question: is pex and wirsbo interchangeable?
Answer: This is a question we receive frequently at pexhouse.com and the short answer is that Wirsbo IS PEX! PEX is slang for “Crosslinked Polyethylene”, a popular type of plastic material used for plumbing and heating pipes all over the world. Wirsbo is simply one of many brand names of PEX in the marketplace.