The X-C high-efficiency boiler from U.S. Boiler Company - Burnham Brand Boilers is available in five sizes from 80 to 180 mbH, and provides up to 95 percent annual fuel utilization efficiency. A factory-preset Sage 2.2 control system and LCD display offer straightforward setup and diagnostics, while a standard outdoor reset control saves fuel for the end user. It is system tested at the factory. 717/397-4701;

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