LENNOX Flame Sensor: Mfr Part # 52W29
SKU 3G-OTH-85272
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Frequently Asked Questions
What is the LENNOX 52W29 flame sensor used for?
The LENNOX 52W29 flame sensor is used in HVAC systems to detect the presence of a flame during burner operation. It ensures safe gas valve operation by sending a signal to the control board when a flame is present, preventing unburned gas from accumulating.
What are the specifications of the LENNOX 52W29 flame sensor?
The LENNOX 52W29 is a replacement flame sensor with manufacturer part number 52W29. It is designed for use in HVACR controls, switches, and thermostats. This sensor monitors burner flame and communicates with the system controller to maintain safe operation.
Where to buy the LENNOX 52W29 flame sensor worldwide?
You can source the LENNOX 52W29 flame sensor through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this replacement part.
How to install the LENNOX 52W29 flame sensor?
To install the LENNOX 52W29 flame sensor, first disconnect power to the HVAC unit. Remove the old sensor from its bracket, then mount the new sensor in the same position, ensuring the sensing rod is in the burner flame path. Reconnect wiring and restore power to test operation.
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3G Electric supplies LENNOX replacement hvacr controls, switches & thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














