maintaining system integrity within a wide operating temperature range from -67°F to 257°F

a specialized high-temperature seat and seal configuration is required

Frequent tripping is often indicative of restricted airflow

Built to handle pressure-tight applications

Utica-Dunkirk 550002283 Flame Sensor Kit 323613-751 maintaining system integrity within aMaintaining the integrity of the flame rectification circuit is non negotiable for high efficiency condensing systems. The Utica Dunkirk 550002283 Flame Sensor Kit is a genuine OEM replacement part designed specifically for the Dunkirk Helix VLT and Utica UBSSC series boilers (50 100 MBH). As a critical safety component, this flame rod provides the constant DC microamp signal required by the integrated boiler control to verify burner ignition and