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Lochinvar CREST Line

Originally published: 10.30.12 by

Lochinvar CREST Line


Lochinvar's CREST Condensing Boiler line is now with inputs up to five million Btu/hr. The new FBN5000 and FBN4000 offer dual fuel capabilities. A keypad switch on the front panel of the boiler allows for a smooth and simple conversion from natural gas to propane. 

To increase CREST’s performance in high altitude applications, Lochinvar updated the line to offer lower derate numbers.

On the 1.5 to 3.5 million Btu/hr models, the derate is less than two 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.  


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