The Flexcon FLEX 2 PRO PH potable water expansion tanks are designed to maintain safe pressure in domestic water systems that utilize a back flow preventer or check valve.
These tanks feature a 100% butyl diaphragm and plastic liner to separate the system water from the tanks air pre-charge. The system has a stainless steel sleeve to prevent corrosion and the tanks are finished with appliance-quality paint to help prevent external corrosion.
