Lennox 22K46 – 106497-03 High Altitude Pressure Switch Kit is a genuine OEM component engineered to ensure safe and reliable furnace operation in high-altitude environments. This pressure switch actuates at 0.80" W.C., providing accurate airflow verification to support proper ignition and system performance where air density is reduced.

Designed to meet Lennox factory specifications, this high altitude pressure switch kit features an SPST normally open contact configuration with a contact rating of 5 amps resistive at 24 VAC. It delivers dependable pressure sensing, consistent operation, and long-term reliability. The direct-fit design allows for straightforward installation in compatible Lennox heating systems without modification.

Ideal for HVAC professionals and system maintenance applications, the Lennox 22K46 pressure switch kit helps maintain efficiency, safety, and proper furnace operation in elevated installations where standard pressure switches may not perform accurately.