defective batches of UPONOR pex A are still out there. the Red and Blue tubing went through a heat treatment in order to get the color to adhere to the piping. That process actually compromised the tubings ability to remain flexible. When it is expanded it is prone to developing micro cracks. There’s an ongoing classs action lawsuit. In 2021 the pipe was discontinued and is no longer manufactured the same way | Evan Berns

11 reactions | With a life expectancy of more than 100 years, Uponor PEX-a pipe stands the test of time with its superior durability that resists stress-crack corrosion thanks to its extensive crosslinking. See how PEX-a stays well ahead of the other manufacturing methods by clicking here: https://www.uponor.com/en-us/residential-solutions?utm_source=facebook&utm_medium=social&utm_campaign=residentialsolutions | Uponor North America | Facebook

From copper to CPVC and more, easily transition to any piping material with Uponor ProPEX® transitions. | Uponor North America