York S1-024-35778-000 Pressure Switch 318423-701 Rigid frame construction avoids collapsing

Rigid frame construction avoids collapsing under high static pressure

whereas the original number may have been used for bulk production line assemblies

Whether you are performing a central air conditioner repair or routine maintenance

The direct-mount design simplifies installation for field technicians

Always check your specific unit’s parts list for exact cross-referencing

York S1-024-35778-000 Pressure Switch 318423-701 Rigid frame construction avoids collapsingThe York S1 024 35778 000 Pressure Switch is a critical safety component designed for precise monitoring of inducer blower performance in high efficiency furnace systems. Calibrated at a . 6" WC set point, this OEM HVAC air pressure switch ensures that the draft inducer is exhausting combustion gases correctly before the ignition sequence initiates. For service technicians, identifying a failing switch often involves troubleshooting lockout codes