OEM replacement flame sensor for Lennox furnaces and heating systems. The 69W43 detects flame quickly and accurately to ensure safe, efficient operation and prevent short cycling. Style L design with 3 1/16" total length. Direct replacement for legacy Lennox part LB-74940B and compatible with 80AF and 92AF series furnace models.
Lennox 69W43 Flame Sensor
Lennox
$64.95
In Stock
- OEM / cross-reference
- LB-74940B
- Replaces
- LB-74940B
- Fits brands
- Lennox, Allied, Armstrong, Concord, Ducane
- SKU:
- 69W43
- Product Type:
- Flame Sensor
- Application:
- Residential
- System Type:
- Furnace
- Installation Type:
- OEM Replacement
- Fuel Type:
- Natural Gas
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