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Lennox 21L99 FLAME SENSOR FLAME SENSOR
Use genuine OEM parts for safety, reliability, and performance.
Lennox 21L99 FLAME SENSOR FLAME SENSOR
Item #: 102106737

Lennox 21L99 FLAME SENSOR FLAME SENSOR

Item #: 102106737

TJS 473

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What Stands Out

Advanced Flame Detection
The Lennox Sensor-Flame utilizes cutting-edge technology to accurately detect flame presence, ensuring optimal safety and performance for heating systems.
Improved Energy Efficiency
This sensor enhances energy efficiency by ensuring burners ignite correctly, reducing wasted fuel and lowering utility bills.
Durable Design
Built with high-quality materials, the Lennox Sensor-Flame offers exceptional reliability and longevity, minimizing maintenance costs and maximizing investment.

Product Details

Shop Lennox 21L99 FLAME SENSOR FLAME SENSOR online at a best price in Tajikistan. B00QW2XHY6
Mounting TypeFlange Mount
Output TypePush Button
Specific Uses For ProductElectrical
Upper Temperature Rating100 u00b0C
Material TypeCopper
Style NameModern
Item Dimensions5 x 2.2 x 1.6 inches (12.7 x 5.6 x 4.1 cm)
Item Weight27.22 g
Brand NameLennox
Model21L99
Number of Items1
ManufacturerLennox
Included ComponentsReplacement Part
Item Type NameReplacement Part
Part Number21L99
BrandLennox
Item dimensions L x W x H5 x 2.2 x 1.6 inches (12.7 x 5.6 x 4.1 cm)
MaterialCopper
StyleModern

Who Should Buy?

Suitable For
  • Homeowners

    Ideal for homeowners seeking efficient heating and environmentally friendly solutions with advanced safety features.

  • Environmentally Conscious Users

    Perfect for those who prioritize eco-friendly technology, as it reduces emissions and enhances energy efficiency.

  • Tech Enthusiasts

    Great choice for tech-savvy individuals looking for innovative heating solutions that integrate seamlessly with home systems.

Not Suitable For
  • Budget-Conscious Buyers

    Users on a tight budget may find the initial costs and installation expenses of Sensor-Flame prohibitive.

Product Description

Lennox 21L99 FLAME SENSOR FLAME SENSOR

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is a flame sensor and why is it important?

    Answer: A flame sensor is a critical component in gas furnaces that detects the presence of a flame. It ensures safety by shutting off the gas supply if the flame is not detected, preventing potential hazards like gas leaks or explosions. Without a functioning flame sensor, your furnace can fail to operate correctly, leading to inefficient heating or, worse, dangerous situations. Regular maintenance and timely replacement of the flame sensor, like the Lennox 21L99, can maximize the efficiency of your heating system.
  • Question: How do I know if my flame sensor needs to be replaced?

    Answer: Indications that your flame sensor may need replacement include frequent furnace shutdowns, inconsistent heating, or a yellow or flickering flame. If you experience such symptoms, it could be an issue with the flame sensor failing to detect the flame correctly. Additionally, inspecting the sensor for dirt or damage could provide insights. If cleaning does not resolve the problem, replacing the sensor with the Lennox 21L99 is advisable to restore safe and efficient operation.
  • Question: Can I replace the Lennox 21L99 flame sensor myself?

    Answer: Yes, replacing the Lennox 21L99 flame sensor can be undertaken by a knowledgeable DIY enthusiast. First, ensure the power to the furnace is off for safety. Then, locate the existing flame sensor, disconnect it, and remove it from the burner assembly. Install the new sensor by following the reverse steps. However, if you're not confident in doing so, consulting a professional technician can prevent errors and ensure the furnace functions properly.
  • Question: What materials is the Lennox 21L99 flame sensor made from?

    Answer: The Lennox 21L99 flame sensor is typically made from durable materials like stainless steel and ceramic insulators. Stainless steel provides excellent resistance to heat and corrosion, while ceramic components ensure that electrical connections remain stable even under high temperatures. This material composition enhances the lifespan and reliability of the sensor, ensuring it performs effectively over time, which is crucial for consistent furnace operation.
  • Question: How often should I check my flame sensor?

    Answer: It's advisable to check your flame sensor at least once a year during routine furnace inspections. Regular checks help identify any wear or issues that could disrupt the heating process. During these inspections, technicians can clean the sensor to remove any soot or buildup. If your furnace is used more frequently or exhibits issues, consider checking the flame sensor more regularly to maintain optimal efficiency.
  • Question: What are the signs that my furnace isn’t functioning properly?

    Answer: Signs of a poorly functioning furnace include uneven heating, strange noises, and the system frequently shutting off. You may also notice your home takes longer to reach the desired temperature, or the furnace cycles on and off repeatedly. These issues could stem from a faulty flame sensor like the Lennox 21L99 or other components within the heating system. Addressing these symptoms promptly can prevent more significant problems down the line.
  • Question: Where is the flame sensor located in my furnace?

    Answer: The flame sensor is typically located near the burners in the combustion chamber of your furnace. Its precise positioning allows it to effectively monitor the flame's presence. To locate it, consult your furnace manual if available, or carefully lift the burner cover to access the components. Accuracy in identifying its location aids in effective maintenance and replacement procedures for the Lennox 21L99.
  • Question: Can using the Lennox 21L99 flame sensor improve my furnace efficiency?

    Answer: Yes, utilizing the Lennox 21L99 flame sensor can significantly enhance your furnace's efficiency. By promptly detecting flame presence, it minimizes the chances of gas leaks and ensures optimal combustion, leading to better heating performance. An efficient furnace not only heats your home effectively but can also lower energy consumption, translating to savings in utility costs. Therefore, investing in a high-quality sensor is beneficial for both safety and efficiency.
  • Question: What should I do if my furnace keeps shutting down?

    Answer: If your furnace continuously shuts down, it could be a sign of a malfunctioning flame sensor, such as the Lennox 21L99. First, check for any error codes displayed by the unit. If it indicates issues related to flame detection, consider cleaning or replacing the sensor. If problems persist, it's recommended to contact a qualified technician who can diagnose the situation accurately and restore your furnace to optimal working condition.
  • Question: Where can I buy Lennox 21L99 FLAME SENSOR in Tajikistan?

    Answer: You can buy the Lennox 21L99 FLAME SENSOR from Ubuy, which offers a wide range of HVAC parts and systems. Ubuy provides a reliable platform for purchasing high-quality components, ensuring that you can easily find what you need to maintain and improve your heating system. Their user-friendly interface and customer support make the purchasing process straightforward.

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Pros

  • High efficiency
  • Compact design
  • Easy installation
  • Great safety features
  • Reliable performance

Cons

  • May require occasional maintenance.

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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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