York Parts S1-02427632001 Gas Furnace Air Pressure Switch

Gas Furnace Air Pressure Switch York Parts S1-02427632001 delivers essential safety and reliable burner control for compatible gas furnaces. This air pressure switch is set for a 0.40 Iwc threshold, delivering precise sensing to prevent unsafe operation and ensure proper venting and ignition sequence.

As a trusted replacement part, it supports quick maintenance and durable performance in residential and light commercial systems. The switch integrates seamlessly with common furnace safety circuits and aligns with York parts catalogs, making it a standard choice for technicians and installers seeking quality, compatibility, and value.

• Model: S1-02427632001 — a genuine York Parts replacement for gas furnaces, ensuring reliable compatibility.
• Pressure setting: 0.40 Iwc (inches of water column) for precise sensing and safe ignition timing.
• Safety role: supports furnace safety circuits and helps prevent unsafe operation and flame rollout.
• Durable build: rugged construction withstands furnace cycling for long service life and fewer service calls.
• Easy installation: designed for straightforward replacement by technicians, minimizing downtime during maintenance.