Question: is apollo pex a or b?
Answer: What type of PEX is Apollo PEX tubing? Apollo offers PEX-A (Expansion PEX) and PEX-B tubing. ... PEX-B tubing is produced using the Silane or moisture-cured method. The molecules of HDPE polymer cross-linked after the extrusion process by exposing the tubing to water by a steam bath.