Condensing Boilers operate at high-altitudes without derating.
Available with respective inputs of up to 5 million and 4 million Btu/hr, CREST® Condensing Boiler models FBN5000 and FBN4000 feature fire-tube technology integrated with SMART TOUCH™ operating control and offer thermal efficiencies as high as 99%.
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Condensing Boilers operate at high-altitudes without derating.
Tags: condensing, crest, exhibit-derating, feature-fire-tube, ficiencies-as-high, gas-train, natural-gas, operating-control, smart, technology-integrated, thermal-efficiencies, touch