Cass Plumber Messages 5,947 Reaction score 9 Points 0 Location Ohio Nov 27, 2005 #1 Is PEX approved by the Mfg. be used to run water underground.
Lakee911 I&C Engineer (mostly WWTP) Messages 1,254 Reaction score 1 Points 38 Location Columbus, OH Nov 27, 2005 #2 Yes. It can also be used in concrete too.
