The Utica-Dunkirk 550003474 Hydrolevel Control Module is a genuine replacement control component designed for compatible Utica and Dunkirk hydronic boilers. It monitors and manages critical boiler functions, including water level and burner operation, to ensure safe, efficient, and reliable heating performance. By coordinating system controls and responding to operating conditions, it... https://www.partshnc.com/hydrolevel-control-module