Flame Sensor Fits for Lennox Heater, Replacement 21L99

The Flame Sensor Fits for Lennox Heater, Replacement 21L99 is listed in our Furnace Filters collection. Use the verified features and specifications below to compare it with your space, equipment, and intended use.

Key features

• Multiple Models Compatible: Our flame sensor fits for Lennox heater, replace 21L99.
• Safety Control: If our flame sensor detects flameout or other abnormalities, it sends a signal to the control board to stop the heater, preventing the fuel pump and air-fuel regulating motor from continuing to operate, thus protecting your property and equipment.
• Continuous Monitoring: Our flame sensor monitors in real time whether the burner has successfully produced a flame after ignition. Upon detecting a flame, the control board keeps the fuel supply on and stops the igniter, ensuring continuous and stable combustion after ignition.
• Superior Quality: Our flame sensor is made of high-quality metal and ceramic materials, featuring excellent conductivity and heat resistance. It is wear-resistant, robust, durable, and resistant to deformation and aging. It can be used for extended periods, meeting your flame sensor needs.
• Easy Installation: Our flame sensor can be installed directly. The installation process is simple and quick, saving you time and effort. Before installation, please disconnect the electrical power and wear gloves to ensure your safety.

Product details

• Product Dimensions: 5"L x 2.5"W x 1.7"Th
• Number of Items: 1
• Unit Count: 1.0 Count

Before ordering

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Frequently asked questions

What kind of product is this?

This item is categorized as Furnace Filters.

What should I check before buying?

Compare the listed measurements, materials, power source, capacity, and compatibility details with your requirements.

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