York Parts S1-02434612000 Gas Furnace Air Pressure Switch

The York Parts S1-02434612000 Gas Furnace Air Pressure Switch ensures safe, reliable furnace operation. This essential replacement part for York systems monitors vent pressure to confirm proper draft before ignition, helping prevent unsafe starts and maintain efficient heating.

With a preset air pressure range of 1.20/0.40 and a normally open (N/O) configuration for safe deactivation, this switch supports accurate furnace control and protection against improper venting. Built for durability, it provides a dependable HVAC replacement part that fits a variety of gas furnaces and ignition controls.

Upgrade your furnace safety and performance with a trusted York pressure switch. Designed for easy installation and long service life, it delivers consistent operation across seasons, reducing downtime and maintenance costs.

• Exact model: S1-02434612000 for YORK gas furnaces
• Pressure presets: 1.20/0.40 in. w.c.
• Configuration: Normally Open (N/O) for safe shut-off
• Durability: High-quality construction for long-lasting HVAC performance
• Ease of replacement: Simple retrofit for quick installation