Piping System with Expansion Ring Technology
Hot and cold plumbing system is made of cross-linked polyethylene pipes. Astral Pex-a PRO system is based on expansion ring technology. The pipes and fittings are joined with simple applications of expansion using the plastic memory of the Pex-a PRO pipes. This unique joining system provides a watertight, compact and recessed system with leak protection, easy renovation and chemical-free installation.