Direct OEM Compatibility: Specifically calibrated for McDonnell & Miller 150 Series and 157 Series controllers

the switch logic ensures the fan switch makes and the high limit switch breaks on temperature rise

carbon soot buildup on the sensor element

50/60 Hz circuit

making it ideal for HVAC systems

Lochinvar & A.O. Smith 100112343 Burner Assembly 322056-301 Direct OEM Compatibility: Specifically calibratedThe Lochinvar & A. O. Smith 100112343 Burner Assembly is a critical OEM replacement component designed for high efficiency commercial boilers and water heaters. This natural gas burner assembly features a 16 inch burner configuration and is precision engineered with a #32 orifice to ensure optimal combustion stability and thermal transfer. Built to withstand high stress firing cycles, this 100112343 burner replacement restores the factory spec flame