Utica-Dunkirk 550002190 Spark Ignitor Kit 321894-709 this valve features a robust

this valve features a robust bronze body and seat

Key Benefits for Field Installation: Precise Thermal Calibration: Fixed 180°F open and 120°F close auto limit switch settings prevent nuisance tripping while ensuring high-limit protection

protecting the contactor and control board

you may need high-temperature refractory cement or specific clips for a complete installation

Designed for installation in the suction line

Utica-Dunkirk 550002190 Spark Ignitor Kit 321894-709 this valve features a robustThe Utica Dunkirk 550002190 Spark Ignitor Kit is a critical OEM boiler replacement part engineered for high efficiency thermal performance in residential and commercial hydronic systems. As a veteran grade spark electrode assembly, this kit is designed specifically for Utica and Dunkirk boiler ignition sequences, ensuring a precise spark gap to prevent pilot rollout or delayed ignition. This HVAC furnace ignitor utilizes high grade ceramic insulation