Lochinvar Corp.
CREST Condensing Boilers deliver 96.2 percent thermal efficiency and up to 20:1 modulation turndown. Line includes models with 750,000, 1.0 million, and 1.25 million Btu/hr inputs. System ensures smooth, quiet modulating combustion from as low as 5 percent of the maximum firing rate up to 100 percent. Up to eight CREST boilers can be sequenced using a two-wire, daisy-chain connection.