Description
The Lennox 44L48 is an OEM replacement flame sensor designed for use in Lennox furnaces and heating systems. Flame sensors are a critical safety component in gas-fired heating equipment — they detect the presence of a burner flame and signal the control board to keep the gas valve open. If the sensor fails or becomes coated with oxidation, the furnace will shut down as a safety precaution, resulting in no-heat calls.
Replacing a worn or faulty flame sensor with a genuine Lennox OEM part like the 44L48 restores proper ignition sensing and helps prevent nuisance lockouts, ensuring your system runs safely and efficiently season after season.
Key Features
- Genuine Lennox OEM replacement flame sensor
- Direct drop-in replacement for compatible Lennox furnace models
- Restores accurate flame detection and burner safety monitoring
- Helps eliminate nuisance no-heat lockouts caused by a degraded sensor
- Supports reliable gas valve operation through proper microamp signal output
- Designed for straightforward field installation
Application
- Compatible with select Lennox gas furnace models — verify compatibility with your unit’s model and serial number before ordering
- Intended for use by qualified HVAC technicians
Why Choose OEM?
Using a genuine Lennox OEM flame sensor ensures proper fit, function, and longevity. OEM parts are manufactured to the same specifications as the original component, reducing the risk of premature failure or compatibility issues that can arise with aftermarket alternatives.
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