LENNOX Flame Sensor: Mfr Part # 20J91
LENNOX Replacement HVACR Controls, Switches & Thermostats. Specifications: Product Type: Flame Sensor.
SKU 3G-OTH-85614
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
LENNOX Replacement HVACR Controls, Switches & Thermostats. Specifications: Product Type: Flame Sensor.
Frequently Asked Questions
What is a Lennox flame sensor used for?
A Lennox flame sensor detects the presence of a flame in a gas furnace or boiler. It ensures the gas valve stays open only when a flame is present, preventing unburned gas from accumulating. This safety device is critical for residential and commercial HVAC systems.
What are the specifications of the Lennox flame sensor 20J91?
The Lennox flame sensor, manufacturer part number 20J91, is a replacement flame sensor for HVAC systems. It is designed to detect flame presence and is compatible with select Lennox gas furnaces. The product type is a flame sensor, and it is a direct replacement part.
Where to buy a Lennox flame sensor 20J91 worldwide?
You can source the Lennox flame sensor 20J91 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this replacement part.
How to install a Lennox flame sensor?
To install a Lennox flame sensor, first disconnect power to the furnace. Remove the old sensor, typically held by one screw. Insert the new sensor with the flame-rod end positioned in the burner flame path. Reconnect power and verify the furnace ignites and runs properly.
Used in
Common applications for LENNOXLENNOX Products
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.
