you will typically require the purple Position #1 pen (30735489-007)

For modulating or floating requirements

This concentric fan-cooled replacement pump features moisture-proof windings and a corrosion-resistant one-piece steel motor shaft to withstand constant moisture exposure

and two AM-132 ball joint connectors

The assembly features a dual-stage filtration process including coalescing filters and activated charcoal oil removing filters to ensure the removal of oil aerosols and vapors

York S1-026-49694-000 Combustion Blower 321894-709 you will typically require theThe York S1 026 49694 000 Combustion Blower is a critical OEM replacement draft inducer motor assembly engineered to maintain precise static pressure and ensure safe flue gas venting. This 115V 60Hz inducer motor operates at 2750 RPM, delivering the specific CFM required for optimal combustion efficiency in residential and light commercial York furnace models. As the direct replacement for S1 026 42548 000, this unit resolves common failure points