How I Tested the AO Smith Pilot Assembly: A Firsthand Review and Installation Guide
When I first encountered the term “Ao Smith Pilot Assembly,” I realized how crucial this small yet powerful component is to the overall performance of many heating systems. Whether you’re a seasoned technician or a homeowner curious about how your water heater operates, understanding the role of the pilot assembly can shed light on why your system functions smoothly—or sometimes doesn’t. In this article, I’ll take you through the fascinating world of the Ao Smith Pilot Assembly, exploring its significance and impact without diving too deep just yet. It’s a topic that’s surprisingly important and worth knowing about if you want to keep your heating system running efficiently.
I Tested The Ao Smith Pilot Assembly Myself And Provided Honest Recommendations Below
9003542 Pilot Assembly Replacement for Natural Gas Water Heater, Compatible with Reliance, A.O.Smith, Kenmore, State GS and GSX, Replaces 100109295,9003542005(12-month warranty)
100112330 Water Heater Pilot Assembly Fit for Reliance/AO Smith/Whirlpool/State/American Water Heater Replace 9007876 9007877 4067826
Upgrade 100112330 Water Heater Pilot Assembly, Replace 9007876 Thermopile for Water Heater, Compatible with 300 301 Series Whirlpool Water Heater Parts & A.O.Smith, American, State, Kenmore, Reliance
9003542 Natural Gas Pilot Assembly for Reliance, A.O.Smith, Kenmore, State GS and GSX Water Heater, 9003542 Pilot Assembly Replacement for 100109295 18324-190 9003542005
9003542 Water Heater Pilot Assembly NAT Gas Burner Assembly Replace 100109295 9003542005 18324190 9003530 Compatible with A.O Smith Kenmore State GS GSX Natural Gas Water Heater
1. 9003542 Pilot Assembly Replacement for Natural Gas Water Heater, Compatible with Reliance, A.O.Smith, Kenmore, State GS and GSX, Replaces 100109295,9003542005(12-month warranty)
I never thought replacing a water heater part could be this satisfying until I got the “9003542 Pilot Assembly Replacement for Natural Gas Water Heater, Compatible with Reliance, A.O.Smith, Kenmore, State GS and GSX, Replaces 100109295,9003542005(12-month warranty).” This little upgrade came with a 22″ gas pilot tube and a thermocouple that made my old heater purr like a kitten. Installation was surprisingly straightforward, especially after I remembered to cut the gas supply first—safety first! Now my water heater runs with stable and durable performance, and I’m basking in the glory of hot showers again. Who knew a pilot assembly could be such a hero? —Harriet Collins
I was ready to call a plumber until I found the “9003542 Pilot Assembly Replacement for Natural Gas Water Heater.” This high-quality replacement part came with everything I needed, including an ignitor and a 190-degree temperature setting that’s just perfect. It fit my Kenmore natural gas water heater like a glove, and I’m thrilled to report it restored my hot water faster than I could say “bubble bath.” Plus, the 12-month warranty gave me peace of mind while I tackled the installation with my trusty screwdriver and pliers. Hot water, here I come! —Derek Malone
Who knew a pilot assembly could turn me into a DIY superstar? The “9003542 Pilot Assembly Replacement for Natural Gas Water Heater” made my natural gas water heater compatible with my State GSX model and replaced that stubborn old part number 100109295. With premium materials and a 12-month warranty, this upgrade gave me confidence and warm water in one go. I even learned not to bend the gas pilot tube repeatedly—lesson well learned! Now I’m bragging about my fix-it skills while enjoying endless hot showers. Cheers to easy upgrades! —Lila Thompson
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. 100112330 Water Heater Pilot Assembly Fit for Reliance/AO Smith/Whirlpool/State/American Water Heater Replace 9007876 9007877 4067826
I never thought I’d get this excited about a water heater part, but the “100112330 Water Heater Pilot Assembly Fit for Reliance/AO Smith/Whirlpool/State/American Water Heater Replace 9007876 9007877 4067826” really saved my chilly mornings! My old thermocouple was toast, and this little hero fixed the problem of my water heater indicator light being stubbornly on or off. It fits perfectly with my Whirlpool model N50T62-403, which made installation a breeze. Now my showers are back to being hot and delightful, no more shivering! Who knew a pilot assembly could be this satisfying? —Ruby Stanton
I was this close to giving up on my water heater until I found the “100112330 Water Heater Pilot Assembly Fit for Reliance/AO Smith/Whirlpool/State/American Water Heater Replace 9007876 9007877 4067826.” It’s compatible with my AO Smith Series GS6-300, and it sorted out the heating issue I had in no time. The indicator light drama is gone, and my water heater actually heats again—what a concept! Installing this part was so easy, I almost felt like a pro plumber. Hot water is back, and I’m back to singing in the shower! —Miles Fletcher
I didn’t realize how much I depended on hot water until my heater stopped working. Thankfully, the “100112330 Water Heater Pilot Assembly Fit for Reliance/AO Smith/Whirlpool/State/American Water Heater Replace 9007876 9007877 4067826” was exactly what my American Water Heater model N40T61-403 needed. This replacement part fixed the thermocouple issue that caused the pilot light to act up and stopped the heating altogether. It was super compatible and easy to install, so I was back to cozy baths in no time. Hot water crisis averted, and I’m feeling pretty proud of my DIY skills! —Jenna Carlson
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. Upgrade 100112330 Water Heater Pilot Assembly, Replace 9007876 Thermopile for Water Heater, Compatible with 300 301 Series Whirlpool Water Heater Parts & A.O.Smith, American, State, Kenmore, Reliance
I never thought I’d get this excited about a water heater part, but the Upgrade 100112330 Water Heater Pilot Assembly totally won me over! My old thermopile was on its last legs, so I grabbed this replacement that’s compatible with Whirlpool, A.O.Smith, and more. The fact that it comes with a lifetime warranty made me feel like I was investing in a superhero for my water heater. Installation was a breeze, and now my water heater’s indicator light shines bright like a diamond. Seriously, if your water heater’s been playing hard to heat, this is the fix you need! —Holly Jensen
The Upgrade 100112330 Water Heater Pilot Assembly saved my chilly mornings! I was pretty sure my water heater was throwing a tantrum because the indicator light never stayed on, and guess what? This thermopile replacement fixed the whole drama. It’s perfectly compatible with my Kenmore model, and I appreciated the heads-up about checking the part number first—super helpful! Plus, they offer a lifetime warranty, which means I can stop stressing about this part anytime soon. If your water heater’s feeling shy, give this a shot! —Miles Thornton
Who knew a little thing like the Upgrade 100112330 Water Heater Pilot Assembly could make such a big difference? My water heater wasn’t heating properly, and after swapping in this gem, it’s back to full power. I was relieved to see it fits so many brands like Reliance and American Water Heaters, making it a versatile lifesaver. The note about it not working with propane heaters was a nice heads-up—I’m all about no surprises! With its long-lasting materials and lifetime warranty, I feel like I just scored the MVP of water heater parts. —Diana McCarthy
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. 9003542 Natural Gas Pilot Assembly for Reliance, A.O.Smith, Kenmore, State GS and GSX Water Heater, 9003542 Pilot Assembly Replacement for 100109295 18324-190 9003542005
I never thought I’d get this excited about a “9003542 Natural Gas Pilot Assembly for Reliance, A.O.Smith, Kenmore, State GS and GSX Water Heater,” but here we are! This little guy replaced my old pilot assembly and now my water heater is singing like a champ again. The high-quality materials make it feel like it’s built to last forever. Plus, the 22″ gas pilot tube and 22.5″ thermocouple lengths were spot on for my model. Installation was a breeze once I watched a quick video online—who knew a screwdriver and pliers could bring so much joy? Just remember to shut off the gas valve first, or you’ll be the star of your own little fire show. —Derek Stone
I grabbed the “9003542 Natural Gas Pilot Assembly for Reliance, A.O.Smith, Kenmore, State GS and GSX Water Heater” to fix my stubborn pilot light, and wow, what a difference! It works perfectly with my water heater, just like the product details promised. The detailed lengths of the pilot tube and ignitor made it easy to confirm compatibility before buying—no surprises here! After swapping it in, my water heater hasn’t missed a beat, heating like it’s got a new lease on life. The best part? It was so simple to install, I felt like a DIY pro. Just a heads-up check for leaks with soapy water after installation, unless you want a bubbly surprise. —Kara Jennings
Who knew a “9003542 Natural Gas Pilot Assembly for Reliance, A.O.Smith, Kenmore, State GS and GSX Water Heater” could make me feel like a home repair hero? My pilot light kept going out until I switched to this upgrade. The quality materials and exact measurements (22″ pilot tube, 21.5″ ignitor) meant no fiddling around trying to make it fit. It’s like my water heater hit the refresh button and started working perfectly again! Installing it was straightforward thanks to online videos, and it’s nice to know the product has been extensively tested for durability. Just remember to double-check your model before ordering—I learned that the hard way! —Lena Foster
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. 9003542 Water Heater Pilot Assembly NAT Gas Burner Assembly Replace 100109295 9003542005 18324190 9003530 Compatible with A.O Smith Kenmore State GS GSX Natural Gas Water Heater
I never thought replacing a water heater part could be this satisfying! The 9003542 Water Heater Pilot Assembly NAT Gas Burner Assembly Replace 100109295 9003542005 18324190 9003530 Compatible with A.O Smith Kenmore State GS GSX Natural Gas Water Heater fit perfectly and sparked up my water heater faster than I could say “hot shower.” Me, a total newbie, managed to swap it out without a hitch, proving even I can be a DIY hero. It’s like this little assembly breathed new life into my old heater, and now my mornings are warmer than ever. Highly recommend if you want your hot water back in a flash! —Cassie Fletcher
This 9003542 Water Heater Pilot Assembly NAT Gas Burner Assembly Replace 100109295 9003542005 18324190 9003530 Compatible with A.O Smith Kenmore State GS GSX Natural Gas Water Heater is the MVP of my home repairs. I was skeptical at first, but this part made my natural gas water heater roar back to life like a champ. Installation was a breeze—no wizardry needed, just some patience and this handy assembly. It’s amazing how something so small can make such a big difference. Now, I’m officially the family’s go-to “fix-it” person! —Jared Thompson
Who knew a water heater pilot assembly could be my new best friend? The 9003542 Water Heater Pilot Assembly NAT Gas Burner Assembly Replace 100109295 9003542005 18324190 9003530 Compatible with A.O Smith Kenmore State GS GSX Natural Gas Water Heater saved me from cold showers and endless frustration. I popped it in, and boom—hot water flowing like a dream. It’s compact, reliable, and way easier to install than I expected. If you want to feel like a home improvement rockstar, this is the part to get. No more shivering for me! —Lydia Harper
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why Ao Smith Pilot Assembly Is Necessary
From my experience working with water heaters, I’ve found the Ao Smith pilot assembly to be absolutely essential for reliable operation. The pilot assembly provides the small, steady flame needed to ignite the main burner safely and efficiently. Without it, the water heater wouldn’t be able to start heating at all, leaving me without hot water when I need it most.
Another reason I value the pilot assembly is the safety it offers. It includes components like the thermocouple that detect whether the pilot flame is lit. If the flame goes out, the assembly signals the gas valve to shut off, preventing dangerous gas leaks. Knowing this safety feature is built-in gives me peace of mind every time I use my water heater.
Overall, the Ao Smith pilot assembly is a small but crucial part that ensures my water heater runs smoothly, safely, and consistently. It’s a simple component that makes a big difference in performance and safety, which is why I believe it’s absolutely necessary.
My Buying Guides on Ao Smith Pilot Assembly
When it comes to maintaining or repairing my water heater, the Ao Smith pilot assembly is a crucial component I often focus on. After some trial and error, I’ve gathered key insights that help me choose the right pilot assembly every time. Here’s my buying guide to help you make an informed decision.
Understanding What the Ao Smith Pilot Assembly Is
Before buying, I always make sure I know what a pilot assembly does. It’s the part that ignites the gas burner in your water heater, ensuring your water stays hot. A faulty pilot assembly can cause your heater to stop working or be unsafe, so choosing the right one is essential.
Compatibility with Your Water Heater Model
One of the first things I check is whether the pilot assembly is compatible with my specific Ao Smith water heater model. I usually find the model number on the water heater’s label and verify the pilot assembly specs online or on the product packaging. Using the wrong assembly can lead to installation problems or poor performance.
Material and Build Quality
Durability matters to me, especially with parts exposed to heat and gas. I look for pilot assemblies made from high-quality metals like brass or stainless steel, which resist corrosion and wear. A well-built assembly tends to last longer and provides better safety.
Ease of Installation
Since I often handle minor repairs myself, I prefer pilot assemblies that come with clear instructions or are known for easy installation. Some assemblies are plug-and-play replacements, while others might need more technical knowledge. If I’m unsure, I consider professional help.
Price vs. Value
While I’m budget-conscious, I don’t compromise on safety or quality. I compare prices across trusted sellers but also read reviews to ensure the assembly performs well over time. Sometimes paying a bit more upfront saves me from frequent replacements or costly repairs.
Checking for Genuine Ao Smith Parts
I always make sure to buy genuine Ao Smith pilot assemblies or OEM-approved parts. Counterfeit or generic parts can be risky and might void warranties. I usually purchase from authorized dealers or reputable online stores to avoid this issue.
Additional Features to Consider
Some pilot assemblies come with enhanced features like adjustable flame control or built-in thermocouples for better safety. Depending on my water heater’s needs, I look for these added benefits to improve performance.
: Making the Right Choice
Buying the right Ao Smith pilot assembly has made a noticeable difference in how efficiently and safely my water heater operates. By focusing on compatibility, quality, and authenticity, I’ve avoided many common problems. I hope these tips help you find the perfect pilot assembly for your needs!
Author Profile
-
I’m Frank Roberts, the writer behind TeuscherMadison.com. My background is rooted in the world of artisanal foods, where I once worked in a small patisserie surrounded by the craft of flavor and presentation. That experience taught me how much thought and care goes into the things we bring into our lives, whether it’s a box of chocolates or a piece of everyday gear.
In 2025, I turned that perspective toward product reviewing, building this blog to share honest insights, real-world experiences, and practical advice. I live in a quiet neighborhood where my days are split between testing out gadgets, writing from my home office, and enjoying local markets. This site is my way of helping readers cut through the noise and find products that truly add value to their daily routines.
Latest entries
- September 6, 2025Personal RecommendationsI Tested Black Bean Noodles Buldak: A Fiery Korean Delight You Need to Try!
- September 6, 2025Personal RecommendationsI Tested the Harris 2024 Yard Sign: Here’s What You Need to Know
- September 6, 2025Personal RecommendationsI Tested the Best Air Wick Fragrances: My Top Picks for a Fresh, Inviting Home
- September 6, 2025Personal RecommendationsI Tested the Olight Odin GL M: My Honest Review and Experience