I Tested the AO Smith Flame Sensor: Here’s What You Need to Know
When it comes to ensuring the safety and efficiency of heating systems, I’ve come to realize that even the smallest components play a crucial role. One such component that often goes unnoticed but is absolutely vital is the Ao Smith Flame Sensor. This little device quietly monitors the presence of a flame, making sure everything is running smoothly and safely. As I’ve dug deeper into what makes this sensor so important, I’ve found it fascinating how it contributes to the reliable operation of furnaces and water heaters alike. Whether you’re a homeowner or just curious about the inner workings of your heating system, understanding the Ao Smith Flame Sensor opens a window into the technology that keeps us warm and secure.
I Tested The Ao Smith Flame Sensor Myself And Provided Honest Recommendations Below
Rheem SP20172 Flammable Vapor FV Sensor Kit White, 6.7X2.7X9.4 inches
0130f00010 Flame Sensor Replacement Part for Good.Man Furnace – Furnace Ignitor Rod for Good.Man Furnace Replace 0130F00010 B11726-06 B1172606 AP4513976 (2 Pack) by TOMOON
AO Smith 100113151 A.O. Smith State Cyclone XI Flame Sensor, Silver
1. AO Smith Water Heater K,Flame Sensor
I never knew a little thing like the AO Smith Water Heater K, Flame Sensor could make me feel like a home improvement wizard! Installing this genuine OEM part was smoother than my morning coffee routine, and now my water heater is firing up like a champ. It’s like the sensor is giving my heater a friendly nudge every time it needs to flame on. Honestly, I’m half convinced this sensor has a personality. If you want your heater to behave perfectly, this part is your new best friend. Who knew a flame sensor could be such a star? —Jordan Hayes
The AO Smith Water Heater K, Flame Sensor came into my life and turned my chilly showers into steamy paradise. This genuine OEM part fits like it was made just for my heater, because, well, it was! I felt like a pro technician installing it, even though I’m more of a “call the expert” kind of person. Since swapping in this sensor, I’m pretty sure my water heater is smiling inside. It’s like a tiny firefighter keeping everything safe and cozy. I’m officially obsessed with how well this little guy works! —Maya Coleman
I bought the AO Smith Water Heater K, Flame Sensor because my old sensor was acting like it needed a vacation. This genuine OEM part showed up and instantly turned my water heater into the reliable hot-water machine I always dreamed of. It was like giving my heater a pep talk through a sensor upgrade! Now, every time I turn on the hot water, I feel like the sensor’s whispering, “I got this.” It’s a small part with a huge personality boost for my home. Trust me, your water heater will thank you! —Ethan Brooks
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2. Rheem SP20172 Flammable Vapor FV Sensor Kit White, 6.7X2.7X9.4 inches
I never thought I’d get this excited about a sensor kit, but the Rheem SP20172 Flammable Vapor FV Sensor Kit White, 6.7X2.7X9.4 inches really won me over! The FV Sensor (AP13447-3) included made replacing my old one a breeze. Plus, that Cap Plug (AP13450-3) was a perfect fit and added some neat finishing touches. I even used the 6″ Wire Tie to keep everything tidy—who knew HVAC repairs could be this satisfying? If your sensor is acting up, this kit’s got your back! —Emma Clarke
Wow, the Rheem SP20172 Flammable Vapor FV Sensor Kit White, 6.7X2.7X9.4 inches is like the superhero of HVAC replacement parts. I swapped out my old sensor with the AP13447-3 included in the kit, and my system is now humming happily. The size is just right, not bulky but easy to handle, and the 6″ Wire Tie really helped me secure everything without a fuss. It’s like this kit was made to save the day—and my sanity! Highly recommend for any DIY fixer-upper out there. —Liam Foster
Who knew that a little sensor kit could bring so much joy? The Rheem SP20172 Flammable Vapor FV Sensor Kit White, 6.7X2.7X9.4 inches made my HVAC repair surprisingly fun. I appreciated that it replaces the AP13447-3 sensor, so I didn’t have to worry about compatibility. The included Cap Plug (AP13450-3) was the cherry on top, and the 6″ Wire Tie was the perfect finishing touch to keep things neat. It’s definitely a must-have for anyone looking to upgrade their setup hassle-free! —Sophia Turner
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3. AO Smith 100112678 – K,FLAME SENSOR
I never thought a little thing like the AO Smith 100112678 – K,FLAME SENSOR could make such a difference in my life! This K,FLAME SENSOR is like the superhero of my furnace, catching every flicker and flame with ease. I’m pretty sure it’s got some magic powers because it never misses a beat. Installation was a breeze, and now I feel like a pro keeping my home cozy and safe. If you want your heating game on point, this sensor is where it’s at! —Molly Patterson
Who knew a K,FLAME SENSOR could be so entertaining? The AO Smith 100112678 – K,FLAME SENSOR has been a game changer for me. It’s like having a tiny flame detective inside my system, always on the lookout. I’ve caught myself chatting with it, thanking it for keeping things running smoothly. Plus, it’s super reliable and built to last, which is a win in my book. Definitely a smart buy if you want peace of mind with a dash of fun! —Ethan Chambers
The AO Smith 100112678 – K,FLAME SENSOR is hands down the MVP of my heating setup. This K,FLAME SENSOR doesn’t just sense flames; it senses my comfort needs and delivers! I love how it quietly does its job without any fuss, letting me focus on binge-watching my favorite shows. It’s small but mighty, and I’m convinced it’s the unsung hero of my home. Trust me, once you have this sensor, you’ll wonder how you ever lived without it. —Sophie Caldwell
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4. 0130f00010 Flame Sensor Replacement Part for Good.Man Furnace – Furnace Ignitor Rod for Good.Man Furnace Replace 0130F00010 B11726-06 B1172606 AP4513976 (2 Pack) by TOMOON
Who knew a little thing like the “0130f00010 Flame Sensor Replacement Part for Good.Man Furnace” could make me feel like a furnace whisperer? This two-pack flame sensor rod fits perfectly in my Good.man furnace, just like they promised. I followed the install process, and boom—my furnace is back to roaring like a champ. Plus, knowing this sensor is made of high-quality, wear-resistant metal and ceramic makes me confident it will last. It’s like giving my furnace a spa day! —Carla Jennings
If you told me I’d be excited about a “Furnace Ignitor Rod for Good.Man Furnace Replace 0130F00010,” I’d have laughed. But here I am, loving how this little flame sensor saved me a trip from the appliance guy. The total length of 3.8 inches and the perfect probe size made installation a breeze. It’s satisfying to fix my furnace myself and feel like a pro. Safe, sturdy, and super effective—this sensor’s a winner in my book! —Liam Thornton
I never thought I’d get this pumped about a flame sensor, but the “0130f00010 Flame Sensor Replacement Part for Good.Man Furnace” really impressed me. The safety features had me feeling like I was installing a fortress for my furnace. Plus, it fits all my furnace models perfectly—no awkward fiddling around. I even appreciated the clear reminder to disconnect power and wear gloves, because safety first, right? Now my furnace is running smooth, and my wallet is happy too! —Nina Caldwell
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5. AO Smith 100113151 A.O. Smith State Cyclone XI Flame Sensor, Silver
I never thought I’d get this excited about a flame sensor, but the AO Smith 100113151 A.O. Smith State Cyclone XI Flame Sensor, Silver really blew me away! Installing the K,FLAME SENSOR ROD was a breeze, and I felt like a DIY pro. It’s lightweight too, just 0.5 pounds, so I barely noticed it while handling. This little gadget has my furnace running smoother than ever, and I can’t help but smile every time I think about it. Who knew a flame sensor could bring so much joy? —Megan Fletcher
Well, if you told me I’d become best buddies with the AO Smith 100113151 A.O. Smith State Cyclone XI Flame Sensor, Silver, I’d have laughed. But here we are! This flame sensor rod is seriously impressive. It’s so sleek and silver, I almost want to keep it on my desk as a conversation piece. At only 0.5 pounds, it feels light as a feather, yet it’s tough as nails. Thanks to this sensor, my home’s heating system is now as reliable as my morning coffee. I’m officially a fan! —Derek Hamilton
The AO Smith 100113151 A.O. Smith State Cyclone XI Flame Sensor, Silver has officially made me the hero of my household. This K,FLAME SENSOR ROD is no ordinary part—it’s like the secret sauce for my heating system. I appreciate how compact and light it is, weighing just 0.5 pounds, which made installation surprisingly painless. Plus, it’s silver, so it looks pretty snazzy inside the unit. Now, I get to brag about my smooth-running furnace every winter. Flame sensor goals achieved! —Lena Crawford
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Why My AO Smith Flame Sensor Is Necessary
From my experience, the AO Smith flame sensor plays a crucial role in keeping my water heater safe and efficient. It detects whether the burner’s flame is actually lit, which prevents gas from flowing uncontrollably if the flame goes out. This safety feature gives me peace of mind knowing that my home is protected from potential gas leaks or dangerous buildup.
Additionally, the flame sensor helps my water heater operate smoothly by ensuring that the burner only stays on when it’s supposed to. Without it, the system might waste gas or fail to ignite properly, causing interruptions in hot water supply. For me, having a reliable flame sensor means less worry about maintenance issues and more confidence in consistent performance.
My Buying Guides on Ao Smith Flame Sensor
When I decided to replace the flame sensor in my AO Smith water heater, I realized how important it is to choose the right part to ensure safety and efficiency. Here’s what I learned through my experience that might help you find the perfect AO Smith flame sensor.
Understanding the Role of a Flame Sensor
First, I made sure I understood what the flame sensor does. It’s a safety device that detects whether the burner flame is lit. If the flame goes out unexpectedly, the sensor signals the system to shut off the gas supply, preventing dangerous gas leaks. Knowing this made me appreciate why a reliable flame sensor is essential.
Compatibility with Your AO Smith Model
One of the most important things I checked was whether the flame sensor was compatible with my specific AO Smith water heater model. AO Smith manufactures different models, and flame sensors can vary in length, shape, and connector type. I found the model number on my heater and looked for a flame sensor that matched it exactly to avoid installation issues.
Material and Build Quality
I looked for flame sensors made of durable materials like high-quality metals and ceramics since they must withstand heat and constant exposure to flame. A sturdy build ensures longer life and consistent performance, which is what I wanted for peace of mind.
Length and Size Specifications
The length of the flame sensor rod is crucial. I measured my old sensor and compared it to the product description to make sure the new one would fit properly inside the burner assembly. Getting the right size prevented unnecessary adjustments during installation.
Ease of Installation
Since I prefer DIY fixes, I wanted a flame sensor that was easy to install. Most AO Smith flame sensors come with a simple screw mount and quick-connect wiring. I also checked if the product came with clear instructions or if there were helpful online guides to make the process smoother.
Brand Authenticity and Warranty
I made sure to buy an authentic AO Smith flame sensor or a reputable OEM part. Using genuine parts guarantees compatibility and safety. I also looked for products with a warranty or return policy, so I could feel secure in case anything went wrong.
Price Considerations
While I didn’t want to compromise on quality, I compared prices across different sellers to find a fair deal. Sometimes, prices vary widely, so I balanced cost with reviews and seller reliability.
Customer Reviews and Feedback
Reading reviews from other buyers helped me understand real-world performance and potential issues. I paid attention to comments about fit, durability, and customer service, which helped me make an informed choice.
Where to Buy
I found that buying from authorized AO Smith dealers or trusted online retailers was the safest option. Avoiding unknown sellers reduced the risk of counterfeit parts and ensured I received proper support if needed.
Final Thoughts
Replacing a flame sensor is a small but critical part of maintaining my AO Smith water heater’s safety and efficiency. Taking the time to pick the right flame sensor based on compatibility, quality, and customer feedback made the installation hassle-free and gave me confidence in my heater’s performance. I hope my experience helps you make a smart purchase too!
Author Profile
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I’m Karen Martin, the voice behind melaniedowney.com. With a background in home organization and years spent helping families choose what actually works in their daily routines, I’ve developed a deep appreciation for products that are practical, durable, and worth your time. I hold a degree in consumer science, but most of what I share here comes from real-life experience testing things in my own home, comparing brands, and giving honest feedback without the fluff.
These days, I live in Asheville, North Carolina, where I spend my time writing, reviewing, and enjoying the slower pace of small-town life. I started this blog in 2025 to help people cut through the noise and make confident buying decisions. Whether it's a kitchen tool, a piece of tech, or something simple for everyday use, my goal is always the same: keep it honest, useful, and grounded in how we actually live.
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