Your shopping cart is currently empty.
Sign in and join Kleen Rite rewards to earn points and redeem rewards
Flexcon PH Series potable water expansion tanks are designed to maintain safe pressures in a water heating system that utilizes a backflow preventer or check valve. PH tanks feature a butyl rubber diaphragm and plastic liner to separate the system water from the tanks air pre-charge. The system connection has a stainless steel nipple to prevent corrosion. An appliance quality paint finish helps to prevent external corrosion. Every PH tank is comprehensively tested and backed by Flexcons 5 year limited warranty. Two sizes handle most water heater installations.