Description
The Utica-Dunkirk 240008226 is a precision OEM water temperature sensor engineered for reliable hydronic system monitoring. Featuring a 22mm bracket-mount design, this sensor installs securely onto boiler piping or system components, ensuring stable, repeatable temperature readings in demanding heating applications.
Sensor Technology
At the heart of this sensor is a 12K NTC (Negative Temperature Coefficient) thermistor, a proven technology widely used in boiler controls and hydronic systems. As water temperature rises, resistance decreases in a predictable, calibrated curve — allowing the boiler control board to accurately interpret system conditions and respond accordingly. The 3% tolerance rating ensures tight measurement accuracy, supporting efficient combustion management and system protection.
Key Features
- OEM replacement sensor for compatible Utica-Dunkirk boilers
- 22mm bracket-mount configuration for secure, vibration-resistant installation
- 12K NTC thermistor for accurate, responsive water temperature sensing
- 3% tolerance for reliable, consistent performance
- Direct drop-in replacement — no modifications required
- Designed for hydronic heating and boiler system applications
Application
This sensor is a direct OEM replacement part for Utica-Dunkirk boilers that require water temperature feedback to the control system. Proper water temperature sensing is critical for safe boiler operation, efficient heat delivery, and protection against overheating. Always verify compatibility with your specific boiler model before installation.
Installation Notes
- Mount using the integrated 22mm bracket to the designated sensor location
- Ensure all system pressure is relieved and the boiler is powered down before servicing
- Match wiring connections to the original sensor configuration
- Consult the Utica-Dunkirk service manual for model-specific installation guidance
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