Hot water and steam boilers. Straight gas atmospheric fired. For medium sized applications. Sizes from 1,200 MBH input (29 BHP output) to 3,000,000 MBH input (72 BHP output).
Straight gas atmospheric fuel firing hot water or steam boilers. Multi-phase flue gas travel for maximum heat extraction. Capacities from 3,500 MBH input (84 BHP output) to 6,500 MBH input (155 BHP output).