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Lochinvar Introduces 96.2 Percent Efficient CREST Boiler Models


Lebanon, Tenn. — Dec. 12, 2014 – Lochinvar, LLC has expanded its line of CREST Condensing Boilers to include three new models with 750,000, 1.0 million, and 1.25 million Btu/hr inputs.

Featuring Lochinvar’s patented Wave fire-tube design and advanced combustion technology, the new CREST Boiler models deliver 96.2 percent thermal efficiency and up to 20:1 modulation turndown.

With the addition of the new models, the CREST line now includes 10 condensing commercial boilers with inputs ranging from 750,000 Btu/hr up to 5.0 million Btu/hr. 

CREST Boilers are designed with a top-mounted micro-metal fiber burner, engineered specifically for fire-tube technology. The exclusive Wave fire-tube configuration creates turbulence as flue gas products flow down the tube, scrubbing the energy. As water flows up the vessel, super-heated flue products flow down the fire tubes. With one pass, heat is transferred and flue gases reach condensing temperatures.

The innovative system ensures smooth, quiet modulating combustion from as low as 5 percent of the maximum firing rate up to 100 percent as the heating load increases.

By matching the actual system demand, modulation reduces operating costs, enhances long-term reliability, and provides improved seasonal and operating efficiencies.

With an 8-inch touchscreen and multi-color interface, the CREST Boiler’s SMART TOUCH operating system provides unequaled control and easy-to-use monitoring functions. The SMART TOUCH control can be integrated directly into a Building Automation System through BACnet, ModBus and other communication protocols using a gateway device. 


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