Utica-Dunkirk FE3980G050 Sensor 321042-401 Technicians should replace the gasket

Technicians should replace the gasket whenever the flue collection box or cover plate is removed for inspection

ensuring consistent airflow performance and motor cooling

This specific model features a factory-calibrated 1

or when operating in high-ambient environments where head pressures remain high during the off-cycle

Utica-Dunkirk FE3980G050 Sensor 321042-401 Technicians should replace the gasketThe Utica Dunkirk FE3980G050 Temperature Sensor is a precision engineered OEM replacement part designed for critical monitoring within the heat exchanger and fluid cycles of high efficiency boilers. As a veteran grade NTC thermistor, this sensor provides the control board with real time resistance data to manage modulation and prevent high limit lockout conditions. This specific FE3980G050 sensor is a direct fit component for a range of ECR