Pro-Fire offers up to 10:1 turndown on natural gas as well as the option for sub-30 ppm operation throughout the firing range, according to the manufacturer. The burners are available in four sizes from 1.5 to 11 million BTU and are suitable for use with watertube boilers in industrial applications. The burners deliver emission levels of less than 30 ppm NOX.
Cleaver-Brooks

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