The REHAU MUNICIPEX family of PEXa water and sewer service lines add flexibility and resiliency to your municipal projects whether it’s new construction, replacements or repairs. Choose MUNICIPEX water service, force main, pre-insulated or reclaim pipe for a clean yet cost-effective piping material that surpasses copper and HDPE performance properties. MUNICIPEX is built to withstand tough conditions by demonstrating a 1-year UV resistance and long-term resistance to abrasion and chlorine.