A.O. Smith Expansion Tanks

Tanks/Accessories 

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Features

• 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 in tank.
• Corrosion-resistant metal air valve 5-year limited warranty on potableexpansion tanks 1-year limited warranty on hydronic expansion tanks.