Utica-Dunkirk 550003793 Pilot Assembly 318423-701 Key Benefits System Compatibility: Precision-engineered

Key Benefits System Compatibility: Precision-engineered for Lennox G40

While it fits a 1/2-inch bore

Always verify the MFD rating on the new motor's nameplate to ensure proper phase displacement

preventing soot buildup and protecting the combustion chamber

Utica-Dunkirk 550003793 Pilot Assembly 318423-701 Key Benefits System Compatibility: Precision-engineeredThe Utica Dunkirk 550003793 Pilot Assembly is a critical OEM replacement component engineered for precise ignition sequences in residential and commercial gas fired boilers. This standing pilot assembly features a durable thermopile and thermocouple configuration, ensuring consistent millivolt output to the gas valve for reliable flame rectification and safety monitoring. Designed specifically for Utica and Dunkirk hydronic systems, this unit replaces