Utica-Dunkirk 240008227 Flue Sensor mario The packless construction eliminates the

The packless construction eliminates the need for external stuffing boxes

making it a drop-in replacement for Lennox heating units

this component prevents the unit from operating under hazardous venting conditions or restricted exhaust

Technicians often see symptoms like the blower motor running constantly

Broad System Compatibility: Fits various Nordyne gas furnace models

Utica-Dunkirk 240008227 Flue Sensor mario The packless construction eliminates theThe Utica Dunkirk 240008227 Flue Sensor is a critical safety and performance component designed for high efficiency condensing boilers and industrial combustion systems. This 1 4" NTC thermistor features a 12K Ohm resistance at 25C (77F), providing the precise thermal feedback required for modern boiler control boards to monitor exhaust temperatures and prevent overheating. Built with a rugged stainless steel probe and a high reliability thermistor,