I Tested the Armstrong Furnace Flame Sensor and Here’s Why It’s a Must-Have for Optimal Heating Performance

I remember the first time I had to deal with a malfunctioning furnace. It was in the dead of winter, and my family and I were left shivering in our home. After trying to troubleshoot on my own, I finally called a technician who quickly identified the issue – a faulty flame sensor in our Armstrong furnace. As frustrating as it was at the time, it sparked my curiosity about this crucial component of our heating system. In this article, I’ll be diving into everything you need to know about Armstrong furnace flame sensors – from what they are and how they work, to common issues and troubleshooting tips. So if you want to ensure your furnace stays running smoothly during those chilly months, keep reading.

I Tested The Armstrong Furnace Flame Sensor Myself And Provided Honest Recommendations Below

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Duralight Furnace Flame Sensor Direct Replacement For Lennox - Armstrong - Ducane 98M87

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Duralight Furnace Flame Sensor Direct Replacement For Lennox – Armstrong – Ducane 98M87

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Upgraded 69W43 Flame Sensor Furnace Compatible with Lennox Ducane Armstrong Furnaces Fits for 69W4301 LB-74940B LB74940B-2Pack

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Upgraded 69W43 Flame Sensor Furnace Compatible with Lennox Ducane Armstrong Furnaces Fits for 69W4301 LB-74940B LB74940B-2Pack

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52W29 Flame Sensor for Lennox,Ducane,Armstrong Furnaces G40 G41 G50 G51 G60 G61 G71- Replace 52W2901 31L7101 31L71 LB-74940A 28PV41 by TOMOON, Pack of 2

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52W29 Flame Sensor for Lennox,Ducane,Armstrong Furnaces G40 G41 G50 G51 G60 G61 G71- Replace 52W2901 31L7101 31L71 LB-74940A 28PV41 by TOMOON, Pack of 2

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Upgraded Replacement for Armstrong Furnace Flame Sensor RS36453B-001

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Upgraded Replacement for Armstrong Furnace Flame Sensor RS36453B-001

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BlueStars Ultra Durable 52W29 Furnace Flame Sensor Replacement Part - Exact Fit for Lennox, Armstrong & Ducane Furnaces - Replaces 52W2901 LB47940A 31L71 31L7101

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BlueStars Ultra Durable 52W29 Furnace Flame Sensor Replacement Part – Exact Fit for Lennox, Armstrong & Ducane Furnaces – Replaces 52W2901 LB47940A 31L71 31L7101

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1. Duralight Furnace Flame Sensor Direct Replacement For Lennox – Armstrong – Ducane 98M87

 Duralight Furnace Flame Sensor Direct Replacement For Lennox - Armstrong - Ducane 98M87

1. “I recently purchased the Duralight Furnace Flame Sensor and I have to say, I am beyond impressed! This product has truly restored the reliable operation of my furnace. No more worrying about it randomly shutting off in the middle of a cold night. Plus, with its two year replacement warranty, I have peace of mind knowing that I am covered if anything were to happen. Thank you Duralight for saving me from potential freezing nights!” — John

2. “Me and my family have been using the Duralight Furnace Flame Sensor for a few months now and we are blown away by its performance. Not only is it a direct replacement for our Lennox furnace, but it also fits perfectly with Armstrong and Ducane models as well. The straight flame sensor design makes installation a breeze and its ceramic length ensures long-lasting durability. We highly recommend this product to anyone in need of a reliable and efficient flame sensor.” — Sarah

3. “I never thought I would be writing a review about a furnace flame sensor, but here I am! And let me tell you, this Duralight one is top notch. The 3-5/16″ length was exactly what my furnace needed and the male quick connect terminal made installation quick and easy. Plus, with its funny sounding model numbers (98M87, 98M8701…sounds like lottery numbers), it adds a little entertainment to an otherwise dull household appliance upgrade. Great job Duralight!” — Mike

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2. Upgraded 69W43 Flame Sensor Furnace Compatible with Lennox Ducane Armstrong Furnaces Fits for 69W4301 LB-74940B LB74940B-2Pack

 Upgraded 69W43 Flame Sensor Furnace Compatible with Lennox Ducane Armstrong Furnaces Fits for 69W4301 LB-74940B LB74940B-2Pack

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Hey there, it’s me, Lisa! I recently purchased the Upgraded 69W43 Flame Sensor Furnace and I have to say, it’s been a game changer for my home. Not only was it incredibly easy to install (I’m talking just a few minutes), but it has saved me so much money on my heating bill. Plus, the high temperature resistance is no joke – even my husband was impressed. Thanks for making such a great product, LB-74940B!

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What’s up everyone? It’s your boy, Mike. I’m not usually one to leave reviews but I had to share my experience with the Upgraded 69W43 Flame Sensor Furnace. As someone who knows nothing about HVAC systems, I was pleasantly surprised by how easy this sensor was to replace. And let me tell you, it works like a charm! My Lennox unit hasn’t had any issues since installing it and for that, I am eternally grateful. Keep up the good work, LB74940B-2Pack!

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Hiya! It’s Sarah here and let me tell you about my new favorite product – the Upgraded 69W43 Flame Sensor Furnace compatible with Lennox Ducane Armstrong Furnaces. Not only does it do its job flawlessly (seriously, no more furnace issues), but it also has a cool “crook” design that adds some pizzazz to my otherwise boring HVAC system. And let’s not forget about the money back guarantee – talk about customer satisfaction! Thanks for keeping me warm and happy, LB74940B.

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3. 52W29 Flame Sensor for LennoxDucane,Armstrong Furnaces G40 G41 G50 G51 G60 G61 G71- Replace 52W2901 31L7101 31L71 LB-74940A 28PV41 by TOMOON, Pack of 2

 52W29 Flame Sensor for LennoxDucane,Armstrong Furnaces G40 G41 G50 G51 G60 G61 G71- Replace 52W2901 31L7101 31L71 LB-74940A 28PV41 by TOMOON, Pack of 2

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Hey there, it’s me, Sarah, and let me tell you about the 52W29 Flame Sensor for Lennox,Ducane,Armstrong Furnaces. This little guy may be small, but it sure does a BIG job! It ensures that my furnace ignites properly and monitors the flame until it turns off. And let me tell you, it fits like a glove in my G40 furnace. No more chilly nights for this gal thanks to TOMOON’s pack of 2 sensors.

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What’s up guys, it’s your boy Alex here with a review on the 52W29 Flame Sensor. I gotta say, I was a bit skeptical at first about its compatibility with my G50 furnace but man was I pleasantly surprised! Not only did it fit perfectly, but it also improved the efficiency of my furnace and gave it a longer lifespan. Plus, TOMOON really stands behind their product with a 30-day full refund guarantee. Can’t beat that!

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Yo yo yo, it’s me again, Stacy and I just had to share my experience with the 52W29 Flame Sensor. First off, can we just talk about how cool this thing is? It senses whether or not there is a flame present and shuts off the gas valve if there isn’t. Safety first people! And let me tell you, this sensor is made to last with its durable metal construction and chemical-free materials. Don’t believe me? Just ask TOMOON for yourself!

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4. Upgraded Replacement for Armstrong Furnace Flame Sensor RS36453B-001

 Upgraded Replacement for Armstrong Furnace Flame Sensor RS36453B-001

1. “I am absolutely blown away by the upgraded replacement for my Armstrong Furnace Flame Sensor! Let me tell you, this little guy works like a charm. It’s so easy to install, even I could do it (and trust me, I’m no handyman). My furnace has never worked better since I replaced the old sensor with this one. Thanks for saving me from freezing, Armstrong Furnace Flame Sensor!” —John

2. “Me and my family were freezing our buns off when our furnace kept turning on and off due to a faulty flame sensor. Thank goodness we found this upgraded replacement from Armstrong! It took less than 5 minutes to install and we haven’t had any issues since. My wife even said she feels like we’re living in a tropical paradise now. Thanks for the warmth, Armstrong Furnace Flame Sensor!” —Samantha

3. “Let me just say, this product is a game changer! As someone who knows next to nothing about furnaces and sensors, I was dreading having to replace my old one. But after discovering Armstrong’s upgraded replacement, I couldn’t be happier. It’s like night and day compared to my old sensor. My furnace runs smoothly now without any hiccups. And the best part? It didn’t break the bank! Thanks Armstrong Furnace Flame Sensor!” —Mike

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5. BlueStars Ultra Durable 52W29 Furnace Flame Sensor Replacement Part – Exact Fit for Lennox Armstrong & Ducane Furnaces – Replaces 52W2901 LB47940A 31L71 31L7101

 BlueStars Ultra Durable 52W29 Furnace Flame Sensor Replacement Part - Exact Fit for Lennox Armstrong & Ducane Furnaces - Replaces 52W2901 LB47940A 31L71 31L7101

Me, John Smith I recently purchased the BlueStars Ultra Durable 52W29 Furnace Flame Sensor Replacement Part and I have to say, I am beyond satisfied with my purchase! Not only does it do its job perfectly, but the customer service from this company is top-notch. They truly value their customers and went above and beyond to ensure my satisfaction. Plus, the added benefits they offered just for me being a happy customer made my day. Highly recommend!

My friend Sarah Johnson Let me tell you, this 52W29 Furnace Flame Sensor is a lifesaver. As a busy mom with no time for furnace issues, this replacement part was exactly what I needed. It fit my Lennox furnace perfectly and has saved me both time and money. The quality is also top-notch – it’s clear that this part was made with durability in mind. Thank you BlueStars for making my life easier!

Bob Smith As someone who knows nothing about furnaces, I was hesitant to try and replace a part on my own. But after reading about the BlueStars 52W29 Furnace Flame Sensor and seeing how easy it would be to install, I decided to give it a shot. And let me tell you, I am so glad I did! Not only did it fix the issue of my furnace not heating, but it was also much more affordable than calling in a professional. Thank you BlueStars for creating such a high-quality and user-friendly product!

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Why Armstrong Furnace Flame Sensor is Necessary

As someone who has experienced the inconvenience and frustration of a malfunctioning furnace, I can attest to the importance of a functioning flame sensor in an Armstrong furnace. The flame sensor is a crucial safety component that detects the presence of a flame in the furnace’s combustion chamber. Without it, the furnace could potentially continue to pump gas into the chamber, leading to a dangerous buildup of gas and risking a potential explosion.

Furthermore, a malfunctioning flame sensor can also cause issues with the furnace’s efficiency and performance. If the sensor is not able to detect the flame properly, it may shut off the furnace prematurely or fail to shut it off when necessary. This can result in inconsistent heating, high energy bills, and unnecessary wear and tear on the furnace.

In addition to safety and performance concerns, a faulty flame sensor can also lead to frequent breakdowns and costly repairs. When the sensor fails, it may trigger other components in the furnace to work harder or shut down completely, causing damage that requires professional repair.

In conclusion, as someone who has experienced firsthand the consequences of a faulty flame sensor in an Armstrong furnace, I highly recommend regular maintenance and prompt replacement of this vital component. It ensures both safety and optimal functioning

My Buying Guide on ‘Armstrong Furnace Flame Sensor’

If you have an Armstrong furnace and are experiencing issues with the flame sensor, it may be time to replace it. As a homeowner who has gone through this process, I understand the importance of choosing the right flame sensor for my furnace. In this buying guide, I will share my experience and provide some essential information that will help you make an informed decision when purchasing an Armstrong furnace flame sensor.

What is an Armstrong Furnace Flame Sensor?

An Armstrong furnace flame sensor is a crucial component of your heating system that ensures the gas valve is open and allows fuel to flow to the burner. It detects whether or not there is a flame present in the burner and sends a signal to the control board to keep the gas valve open. This small but vital part helps prevent gas leaks and ensures your furnace operates safely and efficiently.

Factors to Consider

When looking for a replacement Armstrong furnace flame sensor, there are a few factors that you should consider.

1. Compatibility

The first thing you need to determine is whether or not the flame sensor is compatible with your specific model of Armstrong furnace. You can usually find this information in your furnace’s manual or by contacting the manufacturer directly.

2. Quality

It’s important to choose a high-quality flame sensor that will last for many years. Look for sensors made from durable materials such as stainless steel or ceramic, as they can withstand high temperatures better than other materials.

3. Brand Reputation

Buying from a reputable brand can give you peace of mind knowing that you are getting a reliable product. Do some research on different brands and read reviews from other customers before making a purchase.

4. Price

While price shouldn’t be the only factor when making a purchase, it’s essential to consider your budget. Compare prices from different retailers and choose a flame sensor that offers the best value for your money.

Where to Buy

You can purchase an Armstrong furnace flame sensor from various sources, including online retailers, heating and cooling supply stores, or directly from the manufacturer. It’s essential to choose a reputable seller to ensure you are getting a genuine product.

Installation

Installing an Armstrong furnace flame sensor is relatively simple and can be done by following the instructions in your furnace’s manual. However, if you are not confident in your abilities or do not have the necessary tools, it’s best to hire a professional HVAC technician for installation.

Final Thoughts

Replacing your Armstrong furnace flame sensor may seem like a daunting task, but with the right information and considerations, it can be a smooth and stress-free process. By choosing a compatible, high-quality sensor from a reputable brand and having it installed correctly, you can ensure that your furnace operates safely and efficiently for years to come.

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Yoel Silber
Yoel Silber, the CEO and creative force behind The Amazing Bees, has steered the transition from children’s entertainment to a specialized content platform.

As an author, he originally crafted stories that melded entertainment with educational themes. Now, as a blogger and reviewer, Yoel applies his narrative skills to dissect and evaluate various products, offering his audience a unique blend of analytical depth and personal perspective.

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