Description
The Carrier LH33WZ003 is an OEM replacement flame sensor electrode designed to deliver accurate and dependable flame detection in compatible Carrier furnaces and heating systems. A properly functioning flame sensor is critical to safe furnace operation — it confirms the presence of a burner flame and signals the control board to keep the gas valve open. A failed or fouled sensor can cause nuisance lockouts, short cycling, or unsafe no-heat conditions.
Key Features
- OEM Carrier replacement flame sensor electrode
- Ensures accurate flame detection for safe burner operation
- Helps prevent nuisance lockouts and short cycling caused by a faulty sensor
- Direct factory-spec replacement for compatible Carrier heating systems
- Designed for precise fit and reliable long-term performance
Application
- Compatible with select Carrier furnaces and heating equipment — consult your equipment’s parts list or service manual to confirm fitment before ordering
Why Replace Your Flame Sensor?
Over time, flame sensor electrodes can accumulate oxidation and carbon deposits on the sensing rod, reducing electrical conductivity and causing the furnace control board to misread or fail to detect the burner flame. Replacing the sensor with a genuine Carrier OEM part restores proper microamp signal readings and ensures the control system operates within factory specifications.
Product Details
- Brand: Carrier
- Part Number: LH33WZ003
- Part Type: Flame Sensor Electrode
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