gal. Thermal Expansion Tank

Product Overview

Water heater expansion tanks protect against the harmful effects of thermal expansion in closed potable water heating systems.

• Interior epoxy coating is permanently bonded to the tank shell for ultimate protection on the water side of the tank
• Durable butyl diaphragm ensures long life
• Positive lock retention system controls compression in the diaphragm connection, eliminating air loss or water leaks into the tank
• Corrosion-resistant, metal air charging valve