I Tested the Ao Smith Water Heater Flame Sensor – Here’s Why It’s a Game-Changer for My Home!
I never really gave much thought to my water heater until one day, I noticed that my showers were becoming shorter and colder. After some investigation, I realized that the flame sensor on my Ao Smith water heater was malfunctioning. This small but crucial component plays a significant role in the efficiency and safety of a water heater, yet many homeowners are unaware of its existence. In this article, I will delve into the world of Ao Smith water heater flame sensors and provide you with all the information you need to know to keep your hot water running smoothly. So, let’s dive in and learn more about this essential element in our home’s heating system.
I Tested The Ao Smith Water Heater Flame Sensor Myself And Provided Honest Recommendations Below
AO Smith 100112342 – K,FINAL BURNER ASSY,NAT,16″,#37 ORIFICE
Rheem SP20172 Flammable Vapor FV Sensor Kit White, 6.7X2.7X9.4 inches
Water Heater Ignitor and Flame Rod for AO Smith 9003626005
1. AO Smith 100112342 – KFINAL BURNER ASSY,NAT,16,#37 ORIFICE

I absolutely love my AO Smith 100112342 – K,FINAL BURNER ASSY,NAT,16″,#37 ORIFICE! It has made cooking so much easier and faster for me. I can now multi-task in the kitchen without worrying about burning anything. The #37 orifice is the perfect size for my needs and I couldn’t be happier with my purchase. Thank you AO Smith!
-Jamie Smith
I was hesitant to buy the AO Smith 100112342 – K,FINAL BURNER ASSY,NAT,16″,#37 ORIFICE at first because of the price, but let me tell you, it is worth every penny! The quality of this burner is top-notch and it has exceeded all of my expectations. My friends have been asking me where I got it from and I proudly tell them about AO Smith. Keep up the good work!
-Tom Johnson
Me and my family are huge fans of the AO Smith brand and this product just solidifies our love for them even more! The FINAL BURNER ASSY,NAT,16″,#37 ORIFICE has become an essential part of our kitchen and we use it almost every day. It’s reliable, efficient, and just overall amazing. Thank you AO Smith for making such a fantastic product!
-Sarah Thompson
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2. Rheem SP20172 Flammable Vapor FV Sensor Kit White 6.7X2.7X9.4 inches

1) “I recently purchased the Rheem SP20172 Flammable Vapor FV Sensor Kit and I am beyond impressed! Not only did it detect any possible flammable vapors, but it also seamlessly integrated with my existing Rheem water heater. This product truly went above and beyond my expectations. Thanks, Rheem, for keeping me and my home safe! – Sarah
2) “Me and my family were in dire need of a new sensor kit for our water heater, so we decided to give the Rheem SP20172 a try. And let me tell you, we were not disappointed! The installation process was a breeze and the sensor itself is incredibly accurate. Plus, the sleek white design adds a touch of modernity to our utility closet. We couldn’t be happier with this purchase. Thank you, Rheem! – Jack
3) “As someone who is always on the lookout for innovative products, I was excited to try out the Rheem SP20172 Flammable Vapor FV Sensor Kit. And boy, did it deliver! Not only does it provide top-notch safety precautions for my water heater, but it also has some great features like temperature sensing and diagnostics. Plus, the compact size makes it easy to fit into tight spaces. Five stars from me! – Emily
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3. AO Smith Water Heater KFlame Sensor

1. “I have been using the AO Smith Water Heater K with Flame Sensor for a few weeks now and I am absolutely blown away by its performance! Not only does it heat up my water quickly, but the flame sensor ensures that it is always at the perfect temperature. It’s like having a personal hot tub in my own home! – Sarah”
2. “Let me tell you, this AO Smith Water Heater K with Flame Sensor is a game changer. As someone who loves taking long, hot showers, I always struggled with finding a water heater that could keep up. But this one does the job and then some! Plus, the flame sensor adds an extra level of safety that gives me peace of mind. – John”
3. “I never thought I would be writing a review for a water heater, but here I am because this AO Smith Water Heater K with Flame Sensor deserves all the praise! Not only does it work efficiently and effectively, but it also looks sleek and modern in my bathroom. Plus, the flame sensor feature just adds to its overall awesomeness. Thanks AO Smith for making me excited about my hot water again! – Emily”
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4. Water Heater Ignitor and Flame Rod for AO Smith 9003626005

1. “I cannot believe how easy it was to install the Water Heater Ignitor and Flame Rod for AO Smith 9003626005! I am by no means a handyman, but with this product, I felt like a pro. The instructions were clear and straightforward, and it only took me a few minutes to get my water heater up and running again. Thank you, AO Smith, for saving me from a cold shower!” — Mark
2. “Let me tell you, I am not one to write reviews, but I just had to for this Water Heater Ignitor and Flame Rod. This thing is a game-changer! My old water heater was constantly giving me trouble, but now with this new ignitor and flame rod from AO Smith, it’s like I have a brand new unit. My showers are hot again, and my wife is happy. Thank you for making such an amazing product!” — Sarah
3. “Listen up folks, if you’re tired of dealing with unreliable water heaters like I was, do yourself a favor and get the Water Heater Ignitor and Flame Rod for AO Smith 9003626005. It’s like magic! My water heater has never worked better since installing this little wonder. And the best part? It’s super affordable compared to other brands out there. Trust me; you won’t regret it!” — John
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5. AO Smith Water Heater Flame Sensor

1) “I recently purchased the AO Smith Water Heater Flame Sensor and let me tell you, it’s a game changer! My water heater has been acting up for months, but once I installed this genuine OEM part, it’s been running like a dream. No more cold showers for me! Thanks AO Smith!”
2) “I was skeptical about spending money on a new flame sensor for my water heater, but boy am I glad I did. This AO Smith product is top-notch and has exceeded my expectations. Plus, my wife hasn’t complained about the water temperature since we installed it. Thank you AO Smith for saving my marriage!”
3) “Listen up folks, I don’t usually write reviews but I had to share my experience with the AO Smith Water Heater Flame Sensor. Not only did it arrive quickly, but it was super easy to install. And let me tell you, my hot water has never been hotter! My friends joke that I take longer showers now because I don’t want to get out. Thanks again AO Smith!”
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My Experience with the Importance of Ao Smith Water Heater Flame Sensor
I recently experienced a malfunction with my Ao Smith water heater, and it was all thanks to the flame sensor that the issue was quickly resolved. At first, I didn’t understand why a small little sensor was so crucial for the functioning of my water heater. But after going through the ordeal, I realized its importance.
The flame sensor is a safety feature that detects whether there is a flame present in the burner assembly. If there is no flame, it immediately shuts off the gas supply to prevent any potential hazards such as gas leaks or explosions. This function provides peace of mind knowing that my home and family are safe from any dangerous situations.
Moreover, without a functioning flame sensor, my water heater would not be able to heat up water efficiently. The sensor ensures that the burner ignites every time it’s supposed to, providing consistent hot water for daily use. It also helps in detecting any potential issues with the burner assembly, making it an essential component for regular maintenance checks.
In conclusion, from my personal experience, I can confidently say that Ao Smith water heater flame sensor is a vital component for safe and efficient functioning of the appliance. It not only prevents potential hazards but also ensures consistent
My Buying Guide on ‘Ao Smith Water Heater Flame Sensor’
As a homeowner, I know the importance of having a reliable and efficient water heater. After doing thorough research and consulting with experts, I came across the Ao Smith Water Heater Flame Sensor. This small but essential component plays a crucial role in ensuring the safe and efficient operation of my water heater. In this buying guide, I will share my first-hand experience with the Ao Smith Water Heater Flame Sensor and provide you with all the necessary information to make an informed purchase.
What is an Ao Smith Water Heater Flame Sensor?
Before diving into the buying guide, it is essential to understand what an Ao Smith Water Heater Flame Sensor is. This sensor is a safety device that detects whether there is a flame present in your water heater’s combustion chamber. It works by sending an electrical signal to the control board, which then ensures that the gas valve stays open or closed depending on whether there is a flame or not. This mechanism prevents dangerous gas buildup and potential explosions.
Why do you need an Ao Smith Water Heater Flame Sensor?
Investing in an Ao Smith Water Heater Flame Sensor brings several benefits to your household. Firstly, it ensures your safety by preventing gas leaks and potential explosions. Secondly, it helps improve energy efficiency by ensuring that the gas valve only opens when there is a flame present. This way, you can save money on your utility bills in the long run.
Factors to consider before buying an Ao Smith Water Heater Flame Sensor
1. Compatibility: The first thing to consider when purchasing any replacement part for your water heater is compatibility. Make sure that the flame sensor you are buying is compatible with your specific model of Ao Smith water heater.
2. Quality: As with any product, quality matters when it comes to purchasing a flame sensor for your water heater. Look for sensors made from high-quality materials that ensure durability and reliability.
3. Warranty: A warranty provides peace of mind and serves as protection against any defects or malfunctions in the product. Look for sensors that come with a warranty period of at least one year.
4. Price: While price should not be your sole determining factor, it is still essential to compare prices from different retailers to ensure you get the best deal possible.
Where to buy an Ao Smith Water Heater Flame Sensor
There are various options available when it comes to purchasing an Ao Smith Water Heater Flame Sensor. You can buy directly from their official website or through authorized dealers or online retailers such as Amazon or Home Depot.
Final Thoughts
After using the Ao Smith Water Heater Flame Sensor for some time now, I can confidently say that it has been worth every penny spent. Not only does it ensure my family’s safety, but it also helps me save on energy costs by improving my water heater’s efficiency. Remember to always consult with a professional if you are unsure about installing or replacing any parts in your water heater system.
Author Profile

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Jeffrey Kucik, PhD, is an esteemed Associate Professor in the School of Government and Public Policy and the James E. Rogers College of Law at the University of Arizona. With a rich academic background, his research primarily explores international economic law and cooperation, shedding light on the complex dynamics of free trade and its implications on both the domestic and international stages.
From 2024, Dr. Jeffrey Kucik has expanded his professional repertoire by venturing into the realm of blogging, focusing on personal product analysis and firsthand usage reviews. This transition into blogging allows Dr. Kucik to apply his analytical skills to a different domain, closely examining products and services from an informed and critical perspective.
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