York S1-024-36217-000 Pressure Switch 318820-201 Direct OEM Compatibility: Engineered as

Direct OEM Compatibility: Engineered as a high-integrity replacement for Lennox 63A1001

it is optimized for R-404A and R-22 refrigerant applications

simplifying inventory for field contractors

preventing energy loss due to air leakage

York S1-024-36217-000 Pressure Switch 318820-201 Direct OEM Compatibility: Engineered asThe York S1 024 36217 000 Air Pressure Switch is a critical OEM replacement part designed to monitor combustion blower performance and ventilation airflow in residential and commercial York HVAC systems. This differential air pressure switch is factory calibrated with a 0. 20" IWC (Inches Water Column) set point and features a Single Pole Normally Open (SPNO) contact configuration. As a genuine Source 1 component, it ensures the inducer motor