Utica-Dunkirk 550001624 Control Board Kit 321894-708 the wiring remains identical to

the wiring remains identical to the relay being replaced

As a genuine York furnace safety part

upgrading to a higher VA rating like this 40VA HVAC transformer is acceptable as it provides more "headroom" for the control circuit

Balanced Performance: Precision-balanced 4-blade design reduces vibration

Utica-Dunkirk 550001624 Control Board Kit 321894-708 the wiring remains identical toThe Utica Dunkirk 550001624 Control Board Kit is a critical 120 VAC multi element management component designed for precise sequencing and safety in hydronic heating systems. This kit is a direct replacement for Argo AT0623 electric hot water boilers and is essential for managing the primary nervous system of the unit. The board regulates high voltage switching, integrated circuit protection, and real time system diagnostics through an array of four