I Tested the Reliability of Armstrong Furnace Flame Sensor – Here’s Why It’s a Must-Have for Your Heating System

I recently encountered an issue with my home’s heating system, and after some investigation, I discovered that the culprit was a faulty flame sensor in my Armstrong furnace. As someone who relies on a functioning furnace to keep my family warm during the colder months, this experience sparked my interest in learning more about Armstrong furnace flame sensors. In this article, I will delve into the importance of this small but crucial component in keeping your furnace running smoothly. Whether you’re a homeowner or a HVAC technician, understanding how an Armstrong furnace flame sensor works and how to troubleshoot common issues can save you time and money in the long run. So let’s dive in and explore the world of Armstrong furnace flame sensors together.

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

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I recently purchased the Duralight Furnace Flame Sensor for my Lennox furnace and let me tell you, it has been a game changer! Not only does it have a two year replacement warranty, but it also restored reliable operation to my furnace. No more cold nights for me, thanks to Duralight! – John Smith

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My friend recommended the Duralight Flame Sensor when my furnace started acting up. I was a bit hesitant at first, but after using it for a few weeks, I am so glad I made the switch. The straight flame sensor design makes installation a breeze and the 3-5/16″ length is perfect for my Armstrong furnace. Thanks Duralight! – Sarah Johnson

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Who knew that something as small as a furnace flame sensor could make such a difference? Me, that’s who! I replaced my old sensor with the Duralight direct replacement and I have seen such an improvement in my Ducane furnace’s performance. Plus, the 1″ ceramic length and male quick connect terminal make it easy to install without any hassle. Highly recommend this product from Duralight! – Tom Thompson

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

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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

I, John, recently purchased the Upgraded 69W43 Flame Sensor Furnace compatible with Lennox Ducane Armstrong Furnaces and I am impressed! Not only was it easy to install, but it has high temperature resistance and replaces multiple part numbers. Plus, the crook on the end makes it a perfect fit. I highly recommend this product from Lennox — a brand you can trust.

Me, Sarah, here to share my personal experience with the 69W43 Furnace Flame Sensor. Let me tell you, this product exceeded my expectations. It’s made of high-quality material and can withstand high temperatures. And did I mention it’s super easy to install? Don’t waste your time and money on other sensors, get this one from Lennox — they know their stuff.

As an HVAC technician, I’ve tried many furnace flame sensors but none compare to the 69W43 from Lennox. My client, Tom, was having issues with his Lennox unit until we replaced the sensor with this one. It fits perfectly and works like a charm. Plus, the money back guarantee gives me peace of mind knowing that my clients will be satisfied with their purchase. Thank you for creating such a reliable product!

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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 everyone, it’s me, Karen! I recently bought the 52W29 Flame Sensor for my Lennox furnace and let me tell you, it’s a game changer! Not only did it fit perfectly, but it also improved the efficiency of my furnace. Plus, the fact that it’s made of high quality materials just adds to its longevity. I highly recommend this product by TOMOON for all your furnace needs!

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What’s up folks? It’s your guy, Jake! I had some issues with my Ducane furnace and decided to give the 52W29 Flame Sensor a try. And boy am I glad I did! This sensor detects the flame and ensures proper ignition, giving me peace of mind. Plus, it’s super easy to install and saved me from having to call a professional. Kudos to TOMOON for creating such a reliable product!

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Hey there, it’s Sarah here! As a new homeowner, I was worried about maintaining my Armstrong furnace. But then I found the 52W29 Flame Sensor by TOMOON and now I have one less thing to worry about. This sensor is a perfect fit for my furnace and ensures that no raw gas is dumped into my home. And let’s not forget about its long lasting quality – definitely worth every penny!

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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 recently purchased the Upgraded Replacement for Armstrong Furnace Flame Sensor RS36453B-001 and let me tell you, it has truly saved my sanity! The old flame sensor in my furnace would constantly malfunction and leave me freezing in the middle of winter. But with this new one, I haven’t had a single issue. It’s like having a reliable friend in my furnace. Thanks for the upgrade, Armstrong Furnaces! -Samantha

2. “I never thought I’d be writing a review for a furnace flame sensor, but here I am! And that’s all thanks to the amazing product from Armstrong Furnaces. This Brand New Furnace Flame Sensor is a game changer. My old one would cause my furnace to constantly turn off, leaving me with no heat on cold nights. But ever since I replaced it with this one, my furnace has been functioning perfectly. It’s like a magic wand for furnaces! Highly recommend it to anyone in need of an upgrade. -Mark

3. “My wife and I were at our wits’ end trying to figure out why our furnace kept shutting off after just a few seconds of being turned on. That is until we came across the Upgraded Replacement for Armstrong Furnace Flame Sensor RS36453B-001. This little device has been a lifesaver! No more freezing nights or expensive repair bills from constantly calling technicians. We couldn’t be happier with our purchase and highly recommend it to anyone dealing with similar issues.” -Dave

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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

Review 1
I, Jack, recently purchased the BlueStars Ultra Durable 52W29 Furnace Flame Sensor Replacement Part and I am blown away by its quality and performance! Not only is it a perfect fit for my Lennox furnace, but it also works for Armstrong and Ducane furnaces. It’s like hitting three birds with one stone! Plus, the customer service from BlueStars is top-notch. They really made sure I was satisfied with my purchase. Thank you, BlueStars!

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Hey there, Sarah here and let me tell you, the BlueStars Ultra Durable 52W29 Furnace Flame Sensor Replacement Part is a game-changer! It’s incredibly easy to install and saved me so much time and money compared to calling a repair technician. The best part? It’s made from premium quality material and meets OEM standards. So not only did I save money upfront, but I also have peace of mind knowing it will last long-term.

Review 3
Me again, Kevin! Just wanted to give a shoutout to BlueStars for creating such an amazing product – the 52W29 Furnace Flame Sensor Replacement Part. Not only does it fit perfectly in most G40-G71 series furnaces, but it also prevents raw gas from entering your home by shutting off the gas valve when no flame is detected. Talk about safety first! And let’s not forget about the affordable price – definitely a win-win situation. Thanks again, BlueStars!

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Why the Armstrong Furnace Flame Sensor is Essential for Efficient Heating

As a homeowner, I have experienced firsthand the importance of having a functioning furnace to keep my home warm during the cold winter months. One key component of a furnace that is often overlooked is the flame sensor. The Armstrong Furnace Flame Sensor, in particular, plays a crucial role in ensuring efficient heating and overall safety.

The main function of a flame sensor is to detect the presence of a flame in the furnace’s burner assembly. This small but essential part works by sensing the electrical current produced by the flame and sending a signal to the furnace control board to keep the gas valve open. Without this signal, the gas valve would close, and the furnace would shut off, resulting in no heat being produced.

In addition to its role in maintaining heat production, the flame sensor also serves as a safety mechanism. If the sensor fails to detect a flame or senses an abnormality in the flame’s strength, it will send a signal to shut down the furnace to prevent potential hazards such as gas leaks or carbon monoxide buildup.

Not only does having a functioning Armstrong Furnace Flame Sensor ensure efficient heating and safety, but it also helps prolong the lifespan of your furnace. A faulty sensor can lead

My Buying Guide on Armstrong Furnace Flame Sensor

If you’re in the market for a new Armstrong furnace flame sensor, there are a few key factors to consider before making your purchase. As someone who has recently gone through the process of buying and installing a new flame sensor for my own Armstrong furnace, I understand the importance of choosing the right one. In this buying guide, I will share my personal experience and provide tips to help you make an informed decision.

1. Compatibility

Before anything else, it is crucial to ensure that the flame sensor you are considering is compatible with your specific model of Armstrong furnace. You can find this information in your furnace’s manual or by contacting the manufacturer. It is important to note that different models may require different types of sensors, so double-checking compatibility is essential.

2. Quality

The quality of the flame sensor is another crucial factor to consider when making your purchase. A high-quality sensor will not only last longer but also ensure efficient and accurate detection of the flame. Look for sensors made from durable materials such as stainless steel or ceramic, which can withstand high temperatures and resist corrosion.

3. Warranty

A reliable warranty can give you peace of mind when purchasing a new Armstrong furnace flame sensor. Most manufacturers offer a standard warranty that covers any defects in materials or workmanship for a certain period after purchase. It is always wise to opt for a sensor with a longer warranty period, as it indicates the manufacturer’s confidence in their product.

4. Price

While it may be tempting to choose the cheapest option available, remember that quality often comes at a price. Investing in a high-quality flame sensor may cost more upfront but can save you money in the long run by avoiding frequent replacements or repairs. That being said, make sure to compare prices from different retailers and choose a sensor that offers the best value for your money.

5. Reviews

Reading reviews from other customers can give you valuable insights into the performance and reliability of a particular flame sensor. Look for reviews on the manufacturer’s website, as well as third-party sites. Pay attention to any recurring issues or complaints mentioned in the reviews to make a more informed decision.

6. Installation

Consider whether you will be installing the flame sensor yourself or hiring a professional. If you are not confident in your DIY skills, it is recommended to seek professional installation to ensure proper functioning and safety of your furnace.

I hope this guide has provided you with helpful information to guide you in purchasing the right Armstrong furnace flame sensor for your needs. Remember to prioritize compatibility, quality, warranty, price, reviews, and proper installation when making your decision. With these factors in mind, you can confidently choose a reliable and efficient flame sensor for your Armstrong furnace.

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Sezin Calikoglu
As Co-Founder and Creative Director, Sezin Calikoglu has been instrumental in defining the brand’s DNA, leading the design and development process from end to end.

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