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Furnace Parts > Lennox Furnace Sensor & Thermistor Parts > Flame Sensor 52W29

Flame Sensor 52W29

Item #2332606 | Lennox OEM Part #52W29

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Flame Sensor 52W29 Alternate Product View
Flame Sensor 52W29 Alternate Product View
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Furnace flame sensor. The flame sensor monitors the burner to detect whether or not a flame is present. If the flame sensor is defective, the furnace may not heat.

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Repair Skill Level:Skill Level
$40.80

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Flame Sensor 52W29 Part Fits

  • Replaces Part Number LB-74940A
  • Replaces Part Number 31L7101
  • Replaces Part Number 31L71