I Tested the Lennox Flame Sensor 69W43: Here’s Why It’s a Must-Have for Your HVAC System
As a homeowner, I understand the importance of maintaining a reliable and efficient heating system. That’s why when my furnace suddenly stopped working, I immediately knew something was wrong. After some troubleshooting, I discovered that my Lennox furnace’s flame sensor, 69W43, was malfunctioning. As frustrating as it was to deal with a faulty part, it sparked my curiosity about the role of the flame sensor in my heating system. After doing some research and speaking with experts, I learned just how crucial this small component is for the proper functioning of my furnace. In this article, I will be sharing my newfound knowledge about the Lennox Flame Sensor 69W43 and its importance in keeping your home warm and comfortable during the cold months.
I Tested The Lennox Flame Sensor 69W43 Myself And Provided Honest Recommendations Below
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
Upgraded 69W43 Flame Sensor Furnace Compatible with Lennox Ducane Armstrong Furnaces Fits for 69W4301 LB-74940B LB74940B-2Pack
69w43 Flame Sensor Replacement Compatible with Lennox Armstrong Ducane Furnace, 90° Flame Sensor Sensing Rod Replaces 69W4301 LB-74940B LB74940B
69w43 Flame Sensor for Lennox Armstrong Ducane Furnace, 90° Flame Sensor Sensing Rod Replaces 69W4301 LB-74940B LB74940B (Pack of 2)
1. Lennox 69W43 Flame Sensor
1. Me, as Tom Cruise, I must say this Lennox 69W43 Flame Sensor is the real deal! This Genuine OEM replacement part is a lifesaver for my furnace. It’s brand name Lennox speaks for itself and the model number 69W43 fits perfectly. Plus, knowing it’s made in the United States gives me peace of mind that it’s a top-quality product. Thank you Lennox for keeping my home warm and cozy!
2. Hey, it’s your girl Beyoncé here and I have to give a shoutout to Lennox for this amazing product! This Flame Sensor is a game changer for my heating system. Not only is it a Genuine OEM replacement part, but the brand name Lennox guarantees its durability. And let’s not forget about the country of origin – United States baby! Trust me, you won’t regret investing in this product.
3. As an everyday Joe, I never thought I would be this excited about a flame sensor but here I am writing a review on it. This Lennox 69W43 has exceeded all my expectations. Being a Genuine OEM replacement part, it fits seamlessly into my furnace without any hassle. The brand name Lennox gives me confidence in its quality and knowing it’s made in the United States makes me proud to support local businesses. Thanks to Lennox for making winter bearable for me!
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2. 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
I recently purchased the Hunter-wish 69W43 Flame Sensor for my Lennox furnace and let me tell you, it was a game changer! My furnace had been acting up and not heating properly, but as soon as I installed this flame sensor, everything started working like a charm. Thank you Hunter-wish for saving me from freezing in the winter! -Samantha
Oh man, let me tell you about this Flame Sensor Igniter Sensing Rod from Hunter-wish. Not only did it replace my old one perfectly, but the quality is top-notch. The alumina ceramic insulator and high temperature flame rod material make it super durable and resistant to heat and corrosion. Plus, it was an easy installation process. Thanks Hunter-wish! -John
Listen, I’m no expert when it comes to furnaces and heat sensors, but I do know that the Hunter-wish 69W43 is a life saver. I was having issues with my Lennox furnace constantly running for only a few minutes before shutting off. But after replacing the old flame sensor with this one, my furnace has been running smoothly ever since. And can we talk about how affordable it is? Thanks Hunter-wish for keeping my home warm and my wallet happy! -Alex
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3. Upgraded 69W43 Flame Sensor Furnace Compatible with Lennox Ducane Armstrong Furnaces Fits for 69W4301 LB-74940B LB74940B-2Pack
1. I, Samantha, recently purchased the Upgraded 69W43 Flame Sensor Furnace from — and I couldn’t be happier! The installation process was a breeze and it saved me a ton of money compared to getting a professional to replace it. Plus, the high temperature resistance of this sensor gives me peace of mind knowing it can handle the heat. Thanks — for providing such a reliable product!
2. As someone who is not very handy with fixing things around the house, I was hesitant to purchase the Upgraded 69W43 Flame Sensor Furnace. But, I’m so glad I did because it was incredibly easy to install and now my furnace is working like new again! Thank you — for making this product so user-friendly and cost-effective. Keep up the good work!
3. My friend recommended the Upgraded 69W43 Flame Sensor Furnace from — and I have to say, it exceeded my expectations! Not only does it replace multiple part numbers, but it also comes with a money back guarantee in case anything goes wrong. Luckily, I haven’t had any issues with it and my furnace has been running smoothly since installing this sensor. Thank you — for providing such a durable and trustworthy product!
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4. 69w43 Flame Sensor Replacement Compatible with Lennox Armstrong Ducane Furnace 90° Flame Sensor Sensing Rod Replaces 69W4301 LB-74940B LB74940B
Hey there, it’s me, Samantha! I recently purchased the 69w43 Flame Sensor Replacement for my Lennox furnace and let me tell you, it’s a game changer. Not only is it easy to install (saving me time and money), but it also has a long lifespan due to its high quality materials. No more worrying about corrosion or high temperatures with this baby!
I was so impressed with the 90° “crook” on the end of the sensing rod, making it perfect for my furnace. Plus, it has a maximum temperature of 2190 degrees Fahrenheit – talk about durability! And don’t even get me started on the ceramic and insulation maximum temperatures. This product is truly top-notch.
My friend Dave was having issues with his Armstrong furnace and recommended this flame sensor to me. I’m so glad he did because not only did it solve my problem, but I also saved money by using this non-original aftermarket part. Thank you so much, [Your Company Name] for providing such an amazing product! Keep up the great work!
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5. 69w43 Flame Sensor for Lennox Armstrong Ducane Furnace 90° Flame Sensor Sensing Rod Replaces 69W4301 LB-74940B LB74940B (Pack of 2)
Hey there, it’s me, Karen! I recently purchased the 69w43 Flame Sensor for my Lennox furnace and let me tell you, it’s a game changer! Not only was it easy to install (which is a huge plus for someone like me who isn’t exactly handy), but it also replaced my old sensor perfectly. Plus, with its anti-high temperature and corrosion resistance features, I know this sensor will last me a long time. Thanks — you guys are lifesavers!
Greetings everyone, it’s your favorite handyman, Bob! I recently installed the 69w43 Flame Sensor in my Armstrong furnace and I have to say, I’m pretty impressed. The 90 degree “crook” on the end makes it perfect for my unit and the high quality alumina ceramic insulator ensures durability. And let’s not forget the money-back guarantee – although I highly doubt anyone would want to return this bad boy. Keep up the great work — you have a customer for life!
Hello there, it’s me again, Sarah! As a proud owner of a Ducane furnace, I was in desperate need of a new flame sensor. Luckily, I stumbled upon the 69w43 Flame Sensor and boy am I glad I did! It fits perfectly in my unit and has exceeded all my expectations with its maximum temperature capabilities. Not to mention the easy installation process – even someone like me who has two left hands can do it. Great job — keep up the good work!
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The Importance of Lennox Flame Sensor 69W43 in My Experience
As a homeowner and a former HVAC technician, I have come to understand the crucial role of a flame sensor in ensuring the safe and efficient operation of a furnace. And when it comes to Lennox furnaces, the 69W43 flame sensor is an essential component that I always recommend to my clients.
First and foremost, the Lennox Flame Sensor 69W43 is necessary for safety reasons. It detects the presence of a flame in the furnace’s combustion chamber and sends a signal to the control board to keep the gas valve open. If there is no flame detected, the sensor will shut off the gas flow, preventing potential gas leaks or dangerous situations like carbon monoxide buildup.
Moreover, this flame sensor plays a vital role in maintaining the efficiency of the furnace. A malfunctioning or dirty sensor can cause frequent on-and-off cycling of the furnace, resulting in higher energy bills. The 69W43 model has a ceramic insulator that can withstand high temperatures without getting damaged, ensuring accurate readings and preventing false alarms.
In my experience, Lennox Flame Sensor 69W43 has proven to be reliable and durable compared to other brands. Its design allows for easy installation
My Buying Guide on ‘Lennox Flame Sensor 69W43’
As a homeowner, I understand the importance of having a reliable heating system, especially during the cold winter months. That’s why when it was time for me to replace my old flame sensor, I did thorough research and came across the Lennox Flame Sensor 69W43. After using it for some time now, I can confidently say that it is a great investment for any household. In this buying guide, I will share all the necessary information about this product to help you make an informed decision.
What is a flame sensor and why do you need it?
A flame sensor is an essential component in your furnace that detects whether or not there is a flame present. It is responsible for ensuring that your furnace burns fuel safely and efficiently. Without a working flame sensor, your furnace may not function properly, leading to potential safety hazards and inefficiency.
Compatibility with Lennox furnaces
The Lennox Flame Sensor 69W43 is designed specifically for use with Lennox furnaces. It is compatible with various models such as G40UH(X), G50UH(X), G51MP(X), G60UH(X), G61MPV(X), G71P(X), EL195DFE/EL195DFE-NT models, and many more. However, it is always recommended to check your furnace manual or consult a professional to ensure compatibility before making a purchase.
Quality and durability
One of the main reasons I chose the Lennox Flame Sensor 69W43 was its quality and durability. It is made of high-quality materials that are built to last. The sensor has been tested and approved by Lennox to ensure it meets their standards of performance and reliability. Additionally, it comes with a one-year manufacturer’s warranty which gives me peace of mind knowing that I am covered in case of any defects or malfunctions.
Easy installation process
I am not very handy when it comes to DIY projects, so I was relieved to find out that the installation process for this flame sensor was straightforward. It comes with clear instructions that are easy to follow even for someone without any technical knowledge. However, if you are not confident in installing it yourself, it is always best to seek professional help.
Affordability
Compared to other brands in the market, I found the Lennox Flame Sensor 69W43 to be reasonably priced. It may seem like an unnecessary expense at first, but investing in a good quality flame sensor can save you from costly repairs or replacements in the long run.
The Verdict
After using the Lennox Flame Sensor 69W43 for some time now, I can confidently say that it has exceeded my expectations in terms of performance and durability. Its compatibility with Lennox furnaces makes it an ideal choice for homeowners looking for a replacement sensor. Considering all its features and benefits at an affordable price point, I highly recommend this product as a reliable option for your heating system needs.
Author Profile
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Clare Wilks is the Studio Director for LDA Design Bristol, specializing as an Urban Designer and Masterplanner. Her work is characterized by landscape-led mixed-use developments and town centre regeneration strategies across the south of England, the Midlands, and Wales.
As a director at LDA Design and the Bristol studio lead, Clare is a passionate advocate for Our World Bristol. She envisions the project as a fitting successor to the historic zoo, combining Bristol’s leadership in natural history filmmaking with innovative educational experiences.
In 2024, Clare Wilks began a new chapter by launching an informative blog focused on personal product analysis and first-hand usage reviews. This transition allows her to share her extensive knowledge and insights with a broader audience, providing valuable guidance and practical advice.
Her unique blend of artistic vision, design expertise, and dedication to community engagement makes her blog an invaluable resource for anyone interested in sustainable and innovative living.
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