Lennox 52W29 OEM Furnace Flame Sensor | LB-74940A
$60.00
Sale price
$60.00
Regular price
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Lennox 52W29 OEM Furnace Flame Sensor | LB-74940A
$60.00
Sale price
$60.00
Regular price
Lennox 52W29 OEM Furnace Flame Sensor | LB-74940A
OEM Part Numbers
Current
- 52W29
Replaces
- LB-74940A
- 31L71
- 31L7101
Product Specifications
| Specification | Details |
|---|---|
| Brand | Lennox |
| Product Type | Flame Sensor Kit |
| Width | 3.625 in |
| Rod Diameter | 0.114 in |
| Weight | 0.05 lb |
Kit Includes
- (1) Precision Speed Equipment Flame Sensor L68 (102431-01)
Signs Your Furnace Flame Sensor May Need Replacing
- Furnace ignites but shuts off after 2–5 seconds.
- Burners light but will not stay lit.
- Furnace repeatedly attempts to ignite.
- Furnace goes into ignition lockout.
- Intermittent heating.
- No heat from the furnace.
- Furnace short cycles.
- Dirty, cracked or corroded flame sensor.
- Diagnostic fault code indicating flame failure.
- Flame is present but the control board cannot verify it.