Expansion PEX tubing is cross-linked, high-density polyethylene. It’s available in white, red, or blue colors for easy identification of hot and cold water lines. The Apollo Expansion PEX tubing listed is type PEX-A (PEX-a, PEXa). PEX tubing is for use in hot and cold potable water distribution systems. PEX tubing can also be used in continuously recirculating plumbing systems up to 140 F while maintaining chlorine resistance. Hydrostatic ratings of 200 F at 80 psi, 180 F at 100 psi, and 73.4 F at 160 psi; operating conditions should not exceed 140 F at 80 psi.








