SPECIAL ORDER ITEM. Review Returns Policy before purchase. The PPSU PEX elbow is a cold-expansion fitting used to connect PEX-A pipes at a 90 degree angle. Made from high-strength polyphenylsulfone, it offers excellent heat resistance, corrosion-free performance, and long-term reliability. Designed for ASTM- F1960 systems, it ensures secure, leak-proof joints in potable water and radiant heating applications.








