Description
The Lennox 11U69 (OEM part number 104371-06) is a factory-authorized OEM pressure switch engineered to deliver precise, dependable performance in Lennox heating systems. Designed to monitor and verify proper draft or combustion airflow, this pressure switch plays a critical safety role — preventing furnace operation unless the correct pressure differential is confirmed.
Product Overview
This pressure switch is calibrated to a setpoint of 0.50″ W.C. (inches of water column), making it a direct OEM replacement for compatible Lennox furnace models. Using a genuine Lennox replacement part ensures the unit operates exactly as designed, maintaining system efficiency and protecting against unsafe operating conditions.
Key Features
- OEM Lennox replacement pressure switch — part number 104371-06
- Calibrated setpoint of 0.50″ W.C. (inches of water column)
- Monitors inducer/draft blower operation to confirm proper airflow
- Prevents furnace ignition if adequate pressure differential is not achieved
- Direct drop-in replacement for compatible Lennox furnace models
- Factory-quality construction for long-lasting, reliable service
Why Use a Genuine OEM Pressure Switch?
Aftermarket substitutes may not meet the exact calibration tolerances required by your Lennox system. A genuine OEM pressure switch ensures accurate setpoint activation, proper system sequencing, and continued compliance with manufacturer specifications — protecting both the equipment and the end user.
Application
- Compatible with select Lennox gas furnace models (verify compatibility with your unit’s service manual or parts list)
- Ideal for HVAC technicians performing routine maintenance, troubleshooting, or warranty-compliant repairs
Specifications
- Brand: Lennox
- SKU: 11U69
- OEM Part Number: 104371-06
- Switch Type: Pressure Switch
- Setpoint: 0.50″ W.C.
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