A. O. Smith Launches ‘Commercial-Grade’ ProLine® Residential Water Heater

Water Heaters

ASHLAND CITY, Tenn. (February 22, 2017) – A. O. Smith, North America’s largest manufacturer of residential and commercial water heaters, has applied its commercial water heating expertise to its new ProLine® family of commercial-grade residential water heaters.

Commercial-grade quality comes second nature to A. O. Smith thanks to its vertically integrated manufacturing approach. A. O. Smith subsidiaries are responsible for designing, engineering and fabricating many of the residential and commercial components used in its …

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