Installing it on a lower voltage will result in insufficient wattage

Always verify the maximum design pressure (PS) of the system before installation

Common signs include the blower motor running constantly

Most OEM fan blades utilize a integrated hub with a pre-installed set screw for securing to 1/2" shafts

Utica-Dunkirk 550002583 Control Module R-410A Installing it on a lowerThe Utica Dunkirk 550002583 Control Module is the designated OEM boiler control replacement for high efficiency hydronic systems. This unit is the primary integrated furnace control board, engineered to orchestrate the ignition sequence, blower timing, and safety circuit monitoring for Utica and Dunkirk condensing gas boilers. As the direct successor to the legacy 550002298, it ensures seamless HVAC system diagnostics and maintains strict operational