making it ideal for HVAC systems

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

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

making it suitable for demanding residential and light commercial hydronic loops

carbon soot buildup on the sensor element

Lochinvar & A.O. Smith 100112343 Burner Assembly 322056-301 making it ideal for HVACThe 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