Lennox 18L35 – 105982-10 High Altitude Pressure Switch Kit

 

Lennox 18L35 – 105982-10 High Altitude Pressure Switch Kit (0.50" W.C., Grey Dot) is a genuine OEM HVAC safety component designed to ensure reliable furnace operation in high-altitude installations. This pressure switch kit is engineered to actuate at 0.50 inches water column (W.C.), allowing proper airflow and combustion verification where reduced air density can affect standard pressure switch performance.

Specifically calibrated for high-altitude applications, the Lennox 105982-10 pressure switch helps prevent nuisance shutdowns while maintaining manufacturer-required safety standards. The grey dot identification marking allows for quick visual confirmation during installation or service. This kit is intended for use in compatible Lennox gas furnace models where a high-altitude conversion or replacement pressure switch is required.

Manufactured to Lennox OEM specifications, this pressure switch kit provides precise pressure sensing, dependable electrical switching, and long-term durability in demanding heating environments. Ideal for HVAC contractors and service technicians, it ensures compliance with Lennox installation requirements and supports safe, efficient furnace operation in elevated locations.

 

Key features and benefits:

Part numbers and identifiers:

This Lennox high altitude pressure switch kit is a critical component for ensuring proper furnace performance and safety in high-altitude environments, making it a reliable choice for professional HVAC service and