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Optimized Performance: Sustained 1150 RPM output ensures consistent CFM delivery across the coil
This specific model features a factory-calibrated 1
Technicians should replace the gasket whenever the flue collection box or cover plate is removed for inspection
It is recommended to calibrate the unit within the specific 100°F to 400°F range for your application
Utica-Dunkirk FE3980G050 Sensor 321042-401 Optimized Performance: Sustained 1150 RPMThe 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
