Description
The Carrier LH33WZ015 is an OEM replacement flame sensor designed to deliver dependable burner monitoring and safe furnace operation. The flame sensor detects the presence of a burner flame during the ignition sequence, sending a signal to the furnace control board to confirm combustion. If no flame is detected, the control board shuts off the gas valve to prevent unsafe conditions — making this a critical safety component in your heating system.
Replacing a worn or failed flame sensor restores proper furnace cycling, eliminates nuisance lockouts, and helps prevent unnecessary service calls. This direct OEM replacement is engineered to Carrier’s original specifications, ensuring a precise fit and reliable performance in compatible Carrier furnace models.
Key Features
- OEM replacement flame sensor for Carrier furnaces
- Monitors burner flame during ignition sequence
- Signals the control board to confirm active combustion
- Triggers gas valve shutoff if no flame is detected for enhanced safety
- Direct drop-in replacement — no modifications required
- Engineered to Carrier’s original design specifications
Product Details
- Brand: Carrier
- Part Number: LH33WZ015
- Component Type: Flame Sensor
- Application: Carrier Residential Gas Furnaces
Why Replace Your Flame Sensor?
Over time, flame sensors accumulate oxidation and carbon buildup on the sensing rod, reducing their ability to detect flame current accurately. A degraded flame sensor can cause the furnace to short-cycle, fail to ignite, or lock out repeatedly. Installing a fresh OEM-spec replacement like the Carrier LH33WZ015 restores proper flame rectification and helps ensure your system runs efficiently and safely throughout the heating season.
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