CPVC PRO Piping System is compatible with both hot and cold water. It withstands very high temperature compared to any other thermoplastic plumbing systems. Many solar and electric water heaters have CPVC piping system for heat efficiency and lower installation cost. Corrosion resistance | Lower bacterial growth | Tough, rigid material | No Scale, pit or leach formation | Unaffected by chlorine in the water | Chemical resistance | Low thermal expansion | Easy, cold welding process | Superior insulation | Fire safety | Cost effective.