Before installing the York S1-7945-3551

We strongly advise using this OEM rectifier board to maintain the specific resistance and voltage profiles required by Carrier control logic

This part is the direct updated version for the S1-024-25329-701

The Copeland Comfort Control (Alco) 047607 Filter Drier

a full replacement is necessary to prevent dangerous electrical arcing outside the burner assembly

York S1-025-29043-000 Hot Surface Ignitor Before installing the York S1-7945-3551The York S1 025 29043 000 Hot Surface Ignitor is a high performance 120V heating element engineered specifically for residential gas fired furnaces under the York, Luxaire, and Coleman brands. Constructed from premium silicon nitride, this direct replacement ignitor offers superior thermal shock resistance and physical durability compared to legacy silicon carbide components. In a standard furnace sequence of operation, this HSI reaches ignition