Utica-Dunkirk 240009339 Sensor 320720-756 and Style Crest models

and Style Crest models

Its 11-10 design ensures precise airflow management

How do I handle the unused primary wire leads

Standard 24V Logic: Interfaces directly with most integrated furnace control (IFC) boards without modification

Utica-Dunkirk 240009339 Sensor 320720-756 and Style Crest modelsThe Utica Dunkirk 240009339 Sensor is a critical OEM component for hydronic heating systems requiring high precision temperature monitoring. This 24 inch hot water sensor is a direct replacement part engineered specifically for L7221 and L7248 Aquastat controls. As a veteran grade boiler temperature sensor, it provides the low voltage resistance feedback necessary for the control board to manage ignition cycles and high limit safety protocols