69W43 Furnace Flame Sensor - Pack of 2

Name: 69W43 Furnace Flame Sensor - Pack of 2
Brand: BlueStarsParts
SKU: AZ00109547
Price: 16.38 USD
Availability: InStock

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Package contains two (2) 69W43 flame sensors.
Detects burner flame to enable safe and continuous furnace operation.
Constructed with a durable cermet insulator and a corrosion-resistant sensing rod.
Angled probe design for direct replacement and optimal positioning.

Designed as a direct replacement part for specific furnace models from:
Lennox
Ducane
Armstrong
Note: Always confirm compatibility by checking your equipment's service manual and part number.

Furnace ignites but shuts down after a few seconds.
Burner flame will not stay lit.
Visible damage, such as a cracked porcelain insulator on the existing sensor.
Heavy carbon buildup or corrosion on the sensor rod that cleaning does not resolve.

Disconnect all electrical power to the furnace unit before beginning installation.
Handle the new sensor by the porcelain base to avoid contaminating the metal rod with skin oils.
Ensure the sensor rod is properly positioned to be enveloped by the burner flame during operation.
Inspect the connecting wire for damage and ensure a secure connection.

FIX FURNACE SYMPTOMS

Yellow burner flames | Rusted flue lines | Poor energy-efficient | Exhaust smells | Constant thermostat adjustments
EXTREME HEAT RESISTANT

- Rod Maximum Temperature: 2190°F
SAVING SOLUTION

Great feeling when your furnace is repaired and works efficiently - BlueStars brings DIY solutions to help you deal with any trouble.
SIMPLE INSTALLATION

It’s typically mounted by a 1/4” hex head screw. Carefully remove the screw to slide the sensor out. Replace with our new one.

Made of high-grade wear-resistant Metal and Ceramics, ensuring durability and resilience against temperature changes

Ensure home's safety by automatically shutting off the furnace whenever no flame is detected inside, preventing gas leaks

BlueStars - #1 source of high-quality replacement parts