Utica-Dunkirk 550002858 Aquastat Refrigerant While ASCO pilot-operated valves are

While ASCO pilot-operated valves are versatile

providing the durability required for HVAC terminal unit control and commercial pneumatic actuator replacement projects

Precise Rectification: Delivers a consistent DC microamp signal (typically 3-6 µA) to the furnace control board for reliable flame proofing

or secondary heat exchanger leaks in high-efficiency furnaces that allow condensate to drip onto the burner assembly

Utica-Dunkirk 550002858 Aquastat Refrigerant While ASCO pilot-operated valves areThe Utica Dunkirk 550002858 Aquastat is a heavy duty SPST immersion aquastat designed for accurate limit or regulation control of water temperatures in hydronic heating systems. Specifically engineered for Utica and Dunkirk boiler systems, this OEM component operates across a 110F to 200F range to maintain optimal thermal stability. As a 240007710 retrofit kit equivalent, it is the primary replacement for obsolete 146 62 025 and L7148F1042 controls.