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Pressure Tanks

A. O. Smith offers two types of pressure tanks: expansion tanks and pump tanks. Expansion tanks protect water heaters and plumbing systems from damage caused by water expansion while our pump tanks protect and extend the lifespan of well pumps by reducing their on/off cycling.

Why A. O. Smith?

 
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Market Leader

A. O. Smith is a leading manufacturer of both residential and commercial water heating technologies, including the #1 most specified commercial water heater.

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Commitment to Innovation

For more than 145 years, we’ve developed state-of-the art products that push new boundaries and improve the lives of our customers.

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Best-In-Class Support

We combine cutting-edge technology with committed people who take pride in providing the very best support for our customers.

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Unmatched Quality

Our products are put through rigorous quality and endurance testing so now matter where hot water is needed, A. O. Smith can provide a solution you can count on.

Learn more about A. O. Smith