Lochinvar & A.O. Smith 100112351 Burner Assembly 321042-401 By monitoring the ambient temperature

By monitoring the ambient temperature sensor and coil conditions

Safety Integrated: Includes internal thermal protection to prevent winding failure during abnormal operating conditions or voltage fluctuations

This kit replaces the gas valve and control board

the thermocouple-driven power unit drops out

Lochinvar & A.O. Smith 100112351 Burner Assembly 321042-401 By monitoring the ambient temperatureThe Lochinvar & A. O. Smith 100112351 Burner Assembly is a critical component for restoring the combustion efficiency of low NOx natural gas water heaters and commercial boilers. As a genuine OEM 18 inch natural gas burner kit, this assembly is engineered to maintain the precise thermal output required by high recovery units. It features a factory installed #37 orifice, ensuring the correct BTU input and gas to air ratio for stable flame propagation