York Parts S1-02435261000 Gas Furnace Air Pressure Switch

Gas Furnace Air Pressure Switch, model S1-02435261000 from York Parts, provides precise pressure sensing for your gas furnace to ensure safe ignition and proper venting. This high-quality replacement helps protect furnace operation and maintain consistent heating performance.

This switch is a direct replacement for 024-27638-001 and is designed for easy installation as part of a reliable gas furnace air pressure switch replacement. It preserves standard electrical connections and fits typical control layouts, making it a practical choice for homeowners and HVAC professionals alike. As a trusted York Parts gas furnace safety switch, it contributes to reliable draft control and safe operation.

• Compatibility: Replaces 024-27638-001; designed for York Parts S1-02435261000 systems and compatible gas furnaces.
• Performance: Delivers accurate air pressure sensing to prevent unsafe ignition and improper blower activity.
• Installation: Simple, tool-friendly setup with standard connectors to minimize downtime.
• Durability: Constructed for heat and vibration resistance to ensure lasting reliability.
• Value: Cost-effective York Parts replacement that helps extend furnace life and maintain efficiency.