About The S.T. Johnson NOXmatic® Mini burners are designed to deliver 9 ppm NOx compliance right out of the box without the use of Flue Gas Recirculation (FGR) on boilers sizes 20 to 100 HP. A lower priced version is also available for 20 ppm NOx applications.
The NOXmatic® Mini full premix design with stainless steel fiber mat firing head features a quiet, compact flame and simple burner operation making it a simple and cost effective solution for any firetube, firebox, or watertube boiler. Efficiency and performance is further enhanced by a Variable Frequency Drive (VFD) to drive the air blower.