• Steam and hot water
• 75 to 250 HP
• Available to <9 ppm NOx, ultra-low CO
• Natural gas or propane fuel
• Premix burner technology

The Model FLX_PM Flextube boiler achieves best-in-class combustion performance with low emissions. Premix burner technology enables the boiler to attain <20 ppm NOx without FGR and <10 CO as standard on natural gas. The modulating burner control automatically adjusts the air/gas mixture for maximum efficiency and optimum turndown.