AO Smith High-Efficiency Hydronic Boilers
A.O. Smith boilers are equipped with reliable, efficient copper heat exchangers. The company’s highest-rated Legend[r] Boilers (90 percent thermal efficiency) and Genesis[r] Boilers (84 percent thermal efficiency) provide inputs up to 2.5 million Btu, small footprints and advanced features for ease of installation and venting versatility.
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