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

Key Benefits System Compatibility: Precision-engineered for Lennox G40

This kit is compatible with Uni-Line thermocouples and includes a specialized adapter to convert threaded 2CH models to 2C snap-in types

while it is the primary replacement for Honeywell and Resideo parts like the A505-1

making it a critical stock item for furnace and air handler repairs

While it fits a 1/2-inch bore

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