www.pmmag.com/articles/98193-us-boiler-condensing-boiler

U.S. Boiler condensing boiler
September 21, 2016
U.S. Boiler’s X-C high-efficiency, stainless-steel condensing boiler is available in five sizes from 80 to 180 mbh and provides up to 95% AFUE. A factory-preset Sage 2.2 control system and LCD display offer straightforward set-up and diagnostics, while a standard outdoor reset control saves fuel for the end-user. The boiler is system tested at the factory and comes with a five-year parts warranty.
U.S. Boiler Co. www.usboiler.net