Trane ROD0159 Flame Rod 321702-401 a Field Controls Control Kit

a Field Controls Control Kit (CK-Series) is typically required to ensure the inducer energizes before the burner ignites and shuts down after the heating cycle completes

an 8-inch probe specifically used when the tank tapping is deeper or when the valve is installed in the hot water outlet pipe

Standardized Wiring: Includes color-coded lead wires for fast terminal connections in 240VAC control panels

When replacing legacy mounts

it requires working inside the condenser cabinet

Trane ROD0159 Flame Rod 321702-401 a Field Controls Control KitThe Trane ROD0159 Flame Rod is a critical direct replacement flame sensor designed for precise combustion monitoring in high efficiency gas fired heating systems. This OEM component functions through flame rectification, conducting a microamp signal to the integrated furnace control board once ignition is verified. It is engineered to withstand the extreme caloric stress of the burner assembly, ensuring the system maintains steady operation without