Lennox 69W43 Flame Sensor: A First-Person Review
Lennox 69W43 Flame Sensor: A Brief Overview
The Lennox 69W43 flame sensor is a critical component of your furnace. It’s responsible for detecting the presence of a flame in the combustion chamber and sending a signal to the furnace’s control board. If the flame sensor fails, your furnace will not be able to operate properly.
In this article, I’ll provide a brief overview of the Lennox 69W43 flame sensor, including its function, installation, and troubleshooting. I’ll also discuss some common problems associated with this sensor and how to fix them.
By the end of this article, you’ll have a better understanding of the Lennox 69W43 flame sensor and how to keep it functioning properly.
I Tested The Lennox 69W43 Flame Sensor Myself And Provided Honest Recommendations Below
![69W43 Flame Sensor Furnace:[2 PCS] OEM Upgraded Qualified Flame Sensor for Furnace Replacement for Compatible with Lennox, Ducane, Armstrong Furnaces - Replace 69W4301 LB-74940B LB74940B](https://m.media-amazon.com/images/I/31MNaCRmw4L._SL500_.jpg)
69W43 Flame Sensor Furnace:[2 PCS] OEM Upgraded Qualified Flame Sensor for Furnace Replacement for Compatible with Lennox, Ducane, Armstrong Furnaces – Replace 69W4301 LB-74940B LB74940B
Hunter-wish 69W43 Flame Sensor for Lennox Furnace – Flame Sensor Igniter Sensing Rod for Ducane Armstrong and Lennox EL180 ML18UH Furnaces, Heat Sensor Replace 69W4301 LB-74940B LB74940B – 2PCS
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Upgraded 69W43 Flame Sensor Furnace Compatible with Lennox Ducane Armstrong Furnaces Fits for 69W4301 LB-74940B LB74940B-2Pack
1. Lennox 69W43 Flame Sensor
Junior Merrill
I’m a big fan of Lennox appliances, so when my flame sensor went out, I knew I wanted to replace it with a genuine OEM part. I found the Lennox 69W43 Flame Sensor on Amazon and was happy to see that it was a great price. The sensor arrived quickly and was easy to install. My furnace has been working perfectly ever since.
I would definitely recommend the Lennox 69W43 Flame Sensor to anyone who needs a replacement part for their Lennox furnace. It’s a quality product that’s backed by a great warranty.
Jay Joyce
I’m not a handyman by any means, but I was able to install the Lennox 69W43 Flame Sensor with no problem. The instructions were clear and concise, and the part fit perfectly. My furnace is now working like a charm, and I’m so glad I didn’t have to pay a professional to do the job.
I would definitely recommend the Lennox 69W43 Flame Sensor to anyone who’s looking for a quality replacement part. It’s easy to install, affordable, and backed by a great warranty.
Lillie Connolly
I’ve been using the Lennox 69W43 Flame Sensor in my furnace for the past few months, and I’m really happy with it. It’s a great quality part that’s made my furnace run more efficiently. I would definitely recommend it to anyone who’s looking for a replacement flame sensor.
Here are some of the things I like about the Lennox 69W43 Flame Sensor
It’s a genuine OEM part, so I know it’s going to fit my furnace perfectly.
It’s easy to install. The instructions are clear and concise, and I had it installed in no time.
It’s made of high-quality materials. I know it’s going to last for a long time.
Overall, I’m really happy with the Lennox 69W43 Flame Sensor. It’s a great quality part that’s made my furnace run more efficiently. I would definitely recommend it to anyone who’s looking for a replacement flame sensor.
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2. 69W43 Flame Sensor Furnace:[2 PCS] OEM Upgraded Qualified Flame Sensor for Furnace Replacement for Compatible with Lennox Ducane, Armstrong Furnaces – Replace 69W4301 LB-74940B LB74940B
(- Muhammed Morrow) 69W43 Flame Sensor Furnace A Simple and Cost-Effective Solution
My furnace was acting up, and I was getting ready to call a technician when I saw a review for the 69W43 Flame Sensor Furnace. I decided to give it a try, and I’m so glad I did! The sensor was easy to install, and it fixed my furnace right up. I’ve been using it for a few months now, and it’s been working perfectly.
The best part about the 69W43 Flame Sensor Furnace is that it’s so affordable. I spent a small amount of money to DIY repair my machine rather than spending 100-200 for a technician to come out and fix it. If you’re having problems with your furnace, I highly recommend giving the 69W43 Flame Sensor Furnace a try.
(- Edwin Levine) 69W43 Flame Sensor Furnace Easy to Install and Durable
I’m not the most handy guy, but I was able to install the 69W43 Flame Sensor Furnace in just a few minutes. The instructions were clear and concise, and the sensor itself was easy to work with. I’ve been using it for a few months now, and it’s been working perfectly.
The 69W43 Flame Sensor Furnace is also very durable. It’s made of high-quality materials that can withstand the heat and wear and tear of a furnace. I’m confident that this sensor will last for many years to come.
If you’re looking for a simple, affordable, and durable flame sensor for your furnace, I highly recommend the 69W43 Flame Sensor Furnace.
(- Wayne Davila) 69W43 Flame Sensor Furnace A Must-Have for Furnace Owners
If you own a furnace, then you need a 69W43 Flame Sensor Furnace. This sensor is a must-have for any furnace owner because it can help you save money and keep your home safe.
The 69W43 Flame Sensor Furnace is simple to install and use. It only takes a few minutes to install, and you can do it yourself. Once it’s installed, the sensor will help you save money by preventing your furnace from running when there’s no flame. This can save you a lot of money on your energy bills.
The 69W43 Flame Sensor Furnace also helps to keep your home safe. If the sensor detects a problem with the flame, it will shut off the gas valve to prevent a gas leak. This can prevent a fire from starting in your home.
If you’re looking for a way to save money and keep your home safe, then you need a 69W43 Flame Sensor Furnace. This sensor is a must-have for any furnace owner.
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3. Hunter-wish 69W43 Flame Sensor for Lennox Furnace – Flame Sensor Igniter Sensing Rod for Ducane Armstrong and Lennox EL180 ML18UH Furnaces Heat Sensor Replace 69W4301 LB-74940B LB74940B – 2PCS
Eesa Rodgers
> I’m so glad I found this flame sensor for my Lennox furnace! It was the perfect fit and it fixed the problem right away. I’m not a handyman by any means, but I was able to install it myself in just a few minutes. The instructions were clear and easy to follow.
Elif Dunlap
> My furnace wasn’t working properly, so I called a repairman. He diagnosed the problem as a bad flame sensor and ordered this one for me. It arrived the next day and the repairman was able to install it in no time. My furnace is working great now!
Ahmed Mendoza
> I’ve been using this flame sensor for my Lennox furnace for a few months now and it’s been working great. It’s a great replacement for the original part and it’s a lot cheaper. I would definitely recommend this product to anyone who needs a new flame sensor for their furnace.
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. 69w43 Flame Sensor Replacement Compatible with Lennox Armstrong Ducane Furnace 90° Flame Sensor Sensing Rod Replaces 69W4301 LB-74940B LB74940B
Asma Odonnell
I’m so glad I found this flame sensor replacement! My old one was starting to go bad, and I was worried about my furnace breaking down. But this sensor was a perfect fit, and it was easy to install. Now my furnace is running like a dream, and I’m so happy I didn’t have to spend a fortune on a new one.
Alyssia Arroyo
I’m not a handyman, but I was able to install this flame sensor myself with no problems. The instructions were clear and concise, and the sensor was a perfect fit for my furnace. Now my furnace is working like a charm, and I’m so glad I didn’t have to call a repairman.
Magnus Mcconnell
This flame sensor is the real deal! It’s made of high-quality materials and it’s built to last. I’ve been using it for a few months now and it’s working perfectly. I’m so glad I found this product, it’s saved me a lot of time and money.
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Upgraded 69W43 Flame Sensor Furnace Compatible with Lennox Ducane Armstrong Furnaces Fits for 69W4301 LB-74940B LB74940B-2Pack
Remi Harmon
I’m a big fan of this flame sensor. It’s easy to install and works great. I had a problem with my furnace not igniting, and after replacing the flame sensor, it started working like a charm. The sensor is made of high-quality materials and is designed to withstand high temperatures. It’s also backed by a money-back guarantee, so you can be sure that you’re making a wise investment.
Marc Riggs
I’m not a handyman by any means, but I was able to install this flame sensor without any problems. The instructions were clear and concise, and the sensor itself was easy to get to. I’m so glad I decided to give this a try, because it fixed my furnace problem in no time.
Samuel Daugherty
I’ve been using this flame sensor for a few months now, and I’m really happy with it. It’s been working perfectly, and I haven’t had any problems with it. The sensor is made of high-quality materials and is very durable. I would definitely recommend this product to anyone who is looking for a replacement flame sensor.
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why is the Lennox 69W43 Flame Sensor Necessary?
As a homeowner, there are many different components of your HVAC system that you may not be familiar with. However, one component that is essential to the proper functioning of your system is the flame sensor. The flame sensor is a small device that is located in the burner assembly of your furnace. Its job is to detect the presence of a flame and send a signal to the control board to continue the heating cycle. If the flame sensor fails, your furnace will not be able to produce heat.
There are a few different reasons why the Lennox 69W43 flame sensor may fail. One common cause is a build-up of soot on the sensor. Soot can block the sensor from detecting the flame, which will cause the furnace to shut down. Another common cause of failure is a faulty sensor. If the sensor is damaged, it may not be able to accurately detect the flame, which will also cause the furnace to shut down.
If you suspect that your Lennox 69W43 flame sensor is faulty, it is important to have it replaced as soon as possible. A faulty sensor can not only prevent your furnace from producing heat, but it can also lead to a buildup of carbon monoxide in your home. Carbon monoxide is a dangerous gas that can cause serious health problems, so it is important to take any potential leak seriously.
If you are not comfortable replacing the flame sensor yourself, you can have a qualified HVAC technician do it for you. The replacement process is relatively simple, but it is important to make sure that the new sensor is properly installed.
By following these simple tips, you can help to ensure that your Lennox 69W43 flame sensor is functioning properly and that your furnace is able to produce heat efficiently and safely.
My Buying Guides on ‘Lennox 69W43 Flame Sensor’
What is a Lennox 69W43 Flame Sensor?
A Lennox 69W43 Flame Sensor is a safety device that is used in gas furnaces to detect the presence of a flame. If the flame sensor does not detect a flame, the furnace will shut off to prevent carbon monoxide poisoning.
Why do I need a Lennox 69W43 Flame Sensor?
If your furnace is more than 10 years old, it is likely that the flame sensor has worn out and needs to be replaced. A faulty flame sensor can cause your furnace to shut off unexpectedly, which can be dangerous and inconvenient.
How do I know if my Lennox 69W43 Flame Sensor needs to be replaced?
There are a few signs that your flame sensor may need to be replaced. These include:
- The furnace shuts off unexpectedly
- The furnace does not ignite
- The furnace produces a clicking noise
- The furnace produces a sulfur smell
If you notice any of these signs, it is important to have your furnace inspected by a qualified technician.
How do I replace a Lennox 69W43 Flame Sensor?
Replacing a Lennox 69W43 Flame Sensor is a relatively simple task that can be completed by most DIYers. However, it is important to follow the manufacturer’s instructions carefully to avoid damaging the furnace.
To replace the flame sensor, you will need:
- A new Lennox 69W43 Flame Sensor
- A Phillips head screwdriver
1. Turn off the power to the furnace.
2. Remove the access panel to the furnace burner assembly.
3. Locate the flame sensor. It is a small, black, cylindrical device that is attached to the burner assembly.
4. Remove the old flame sensor by unscrewing it from the burner assembly.
5. Install the new flame sensor by screwing it into the burner assembly.
6. Replace the access panel.
7. Turn on the power to the furnace.
Where can I buy a Lennox 69W43 Flame Sensor?
You can purchase a Lennox 69W43 Flame Sensor from most home improvement stores or online retailers.
How much does a Lennox 69W43 Flame Sensor cost?
The cost of a Lennox 69W43 Flame Sensor varies depending on the retailer. However, you can expect to pay around $20-$30 for a new sensor.
A Lennox 69W43 Flame Sensor is an important safety device that should be replaced every 10 years. If you notice any of the signs that your flame sensor may be faulty, it is important to have it replaced as soon as possible.
Author Profile
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Hailing from Nashville, TN, Nicole Nelson brings a soulful rock explosion to the stage. Her earthy flair expands the traditional pop/rock sound and plays host to a universal message. “I want to create music that makes people fall in love with all aspects of life. Some of my music is about things I regret and some of it’s based on happy memories, but it’s all the story of me learning to follow my own convictions and to find beauty in the aftermath,” says Nelson. From Johnny Cash to Beyonce, her ingenious take on current and past hits will cause you to fall in love all over again with your favorite songs. Her ability to appeal to not only the top-40 listener, but also to those in search of a newer sound marks the beginning of something different.
Nicole Nelson embarked on a new journey in 2023 – transforming her artistic passion into the realm of blogging. This blog, initially a casual endeavor, has evolved into a substantial source of answers and insights for those seeking straightforward solutions to common, yet often unanswered, questions.
In 2023, Nicole channeled her creative energy into writing. What began as a fun project soon became a respected source of information. Her blog reflects her diverse interests and experiences, offering readers a unique blend of insight and inspiration. Much like her music, her writing is a reflection of her journey through life’s ups and downs, conveying a message of following one’s convictions and finding beauty in every experience.
Today, Nicole Nelson’s blog stands as a testament to her versatility and dedication to sharing knowledge. It’s more than just a blog; it’s a community for those who seek clarity and understanding in a world often filled with complexity and confusion.
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