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

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

Common signs include the blower motor running constantly

Surface Mount

Whether you are performing a compressor oil pressure troubleshooting routine or a standard system overhaul

Utica-Dunkirk 550002583 Control Module R-410A Always verify the maximum designThe 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