Five million- (FBN5000) and 4 million-Btuh (FBN4000) units have been added to the Crest® condensing boilers. The line also has been expanded to include a dual-fuel gas train. Additional product enhancements include lower-firing input-derate numbers in high-altitude applications. The boilers have fire-tube technology integrated with the Smart Touch™ operating control. Offering thermal efficiencies as high as 99 percent, the newly extended line brings exceptional energy efficiency and design flexibility to the largest commercial applications, claimed the company. The dual-fuel gas train has a keypad switch on the front panel of the boiler, which allows for a smooth and simple conversion from natural gas to propane. To increase Crest’s performance in high-altitude applications, the line is updated to offer lower derate numbers, the company said. On the 1.5 million- to 3.5 million-Btuh models, the derate is less than 2 percent per 1,000 square feet above sea level. With the new 4.0 and 5.0 models, no derate is experienced at high altitudes.
Lochinvar LLC
615-889-8900
www.lochinvar.com
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