York Parts S1-02435776000 Gas Furnace Air Pressure Switch

Gas Furnace Air Pressure Switch for York systems ensures safe, consistent furnace operation. The York Parts S1-02435776000 is a dependable Type Air Pressure Switch designed to monitor combustion chamber pressure and help prevent unsafe flame rollout.

This essential control is used on TM9X 95 Percent AFUE 1-Stage Multi-Position 33 Inch Natural Gas Furnaces, featuring SPNO contact configuration and a precise 0.4 inch WC pressure rating. Built for durable performance in modern heating systems, it supports accurate gas valve operation and reliable furnace cycling.

With straightforward replacement for York parts, this switch helps maintain efficiency and safety without extensive downtime. Ideal for service professionals and DIY enthusiasts working on mid- to high-efficiency gas systems.

• Primary function: Monitors furnace inlet/outlet pressure to control burner operation.
• Compatibility: TM9X 95% AFUE, 1-Stage, Multi-Position 33 inch natural gas furnaces.
• Electrical: SPNO contact configuration for reliable switch closure.
• Pressure rating: 0.4 inch WC for precise operation.
• Part identity: York Parts S1-02435776000 for easy ordering and compatibility.

Update your furnace safety with a genuine York pressure switch today.