Heat Transfer Products’ new ModCon Commercial High Efficiency Boiler is available in 301 MBH, 500 MBH, and 850 MBH sizes and features a high-grade, load-matching gas burner with a five-to-one turndown ratio to meet the variable needs for space heating and domestic hot water in a single application. These boilers can be stacked, two at a time, to double capacity while maintaining the same small footprint.

Heat Transfer Products.
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