This Lennox 22J45 (106935-02) High Altitude Pressure Switch Kit is engineered for reliable combustion air monitoring and furnace safety in high altitude installations. Designed as a single-pole single-throw (SPST) switch, it activates at 0.75" water column pressure with a tolerance of ±0.05" WC, ensuring consistent performance in LS25-105 unit heaters operating above standard elevation levels. The precision calibration helps maintain proper draft and prevents unsafe operating conditions, making it an essential replacement part for high altitude applications.

Ideal for contractors and HVAC professionals, this pressure switch kit meets OEM quality standards for fit and function, streamlining service and reducing downtime. Compatible with Lennox LS25-105 series unit heaters, it supports optimal airflow regulation and enhances system reliability in challenging environments.

 

Key Features:

• OEM Lennox replacement part number 106935-02 / 22J45
• SPST pressure switch engineered for high altitude applications
• Trip setting at 0.75" ±0.05" water column pressure
• Designed for LS25-105 unit heater systems
• Ensures safe combustion air monitoring and draft control

 

Benefits:

• Maintains proper draft and furnace safety at elevated altitudes
• Precision pressure calibration minimizes false trips
• Simplifies maintenance with direct OEM compatibility
• Supports dependable operation in commercial and industrial units