About

Built on decades of proven performance, REHAU’s residential PEXa piping systems deliver a durable, flexible, and high-performing solution for modern plumbing installations. Manufactured using the Engel method for maximum crosslinking, REHAU PEXa pipe offers superior flexibility, kink resistance, and long-term reliability compared to traditional piping materials.

Designed for both new construction and remodel applications, REHAU systems feature cold-expansion connection technology that creates strong, secure joints without the need for torches, glues, or solvents. The flexible piping design helps reduce fittings behind walls, supports faster installations, and allows for cleaner, more efficient plumbing layouts.

From whole-home potable water distribution to radiant heating and hydronic applications, REHAU’s residential piping solutions are engineered to provide consistent flow performance, quiet operation, corrosion resistance, and exceptional durability. Backed by extensive testing, industry certifications, and a trusted reputation worldwide, REHAU PEXa systems help contractors, builders, and homeowners achieve reliable performance with confidence for years to come.