Description
The Carrier 48VL400001 is an OEM replacement flame sensor designed to maintain safe and efficient combustion in compatible Carrier heating systems. The flame sensor plays a critical role in your furnace’s safety circuit — it detects the presence of a burner flame and signals the control board to keep the gas valve open. If the sensor fails or becomes coated with oxidation, the system will shut down as a safety precaution, preventing unburned gas from accumulating.
Replacing a worn or faulty flame sensor with a genuine Carrier OEM part ensures proper fit, reliable signal output, and continued safe operation of your equipment.
Key Features
- Genuine Carrier OEM replacement flame sensor
- Direct drop-in replacement for compatible Carrier heating equipment
- Ensures accurate flame detection for safe furnace operation
- Helps prevent nuisance shutdowns caused by a weak or dirty sensor signal
- Maintains the integrity of the furnace safety circuit
- Built to OEM specifications for reliable, long-lasting performance
Application
- Designed for use in compatible Carrier furnaces and packaged heating units
- Refer to your equipment’s service manual or parts list to confirm compatibility before installation
Why Replace Your Flame Sensor?
Over time, flame sensors accumulate a thin layer of oxidation on the sensing rod, which insulates the rod and reduces its ability to conduct the microamp signal needed to verify flame presence. A degraded sensor causes the control board to lock out the system, resulting in no-heat calls. Regular inspection and timely replacement with a quality OEM part like the Carrier 48VL400001 keeps your system running safely and efficiently.
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