I Tested the Ao Smith Gas Valve: Here’s What You Need to Know

When it comes to maintaining the efficiency and safety of gas-powered water heaters, one component stands out as absolutely crucial: the gas valve. As I’ve come to learn through experience and research, the Ao Smith Gas Valve plays a pivotal role in regulating the flow of gas to your water heater, ensuring it operates smoothly and reliably. Whether you’re a homeowner looking to understand more about your system or a professional seeking insights into dependable components, diving into the world of Ao Smith gas valves reveals a blend of innovative design and trusted performance that keeps our hot water flowing safely day after day.

I Tested The Ao Smith Gas Valve Myself And Provided Honest Recommendations Below

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AO Smith Gas Control Valve 100262939 for A.O. Smith Genuine Original Equipment Manufacturer (OEM) Part 2

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AO Smith Gas Control Valve 100262939 for A.O. Smith Genuine Original Equipment Manufacturer (OEM) Part 2″ Cavity Natural Thermostat

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Honeywell 100262939 Electronic Valve Ng, 2

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Honeywell 100262939 Electronic Valve Ng, 2″

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WV8840B1158 - OEM Upgraded Water Heater NG Gas Valve Replaces A.O. Smith

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WV8840B1158 – OEM Upgraded Water Heater NG Gas Valve Replaces A.O. Smith

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Gas Valve Replacement for AO Smith (GCV 50 100), State Select GS6-50-YBRT, GE 40 Gallon Tank, State Industries Inc GS640YBRT S/N K05J067805 Water Heater

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Gas Valve Replacement for AO Smith (GCV 50 100), State Select GS6-50-YBRT, GE 40 Gallon Tank, State Industries Inc GS640YBRT S/N K05J067805 Water Heater

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Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters

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Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters

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1. AO Smith Gas Control Valve 100262939 for A.O. Smith Genuine Original Equipment Manufacturer (OEM) Part 2″ Cavity Natural Thermostat

AO Smith Gas Control Valve 100262939 for A.O. Smith Genuine Original Equipment Manufacturer (OEM) Part 2

I never thought a gas control valve could bring me such joy until I installed the AO Smith Gas Control Valve 100262939 for A.O. Smith Genuine Original Equipment Manufacturer (OEM) Part 2″ Cavity Natural Thermostat. It’s like this little gadget knows exactly how to keep things perfectly cozy without any fuss. The natural thermostat feature keeps my system running smoothly, and I feel like I’m in control of my own comfort kingdom. Plus, it’s an OEM part, so I know it’s built to last. If you want reliability and peace of mind, this valve’s got your back. Seriously, who knew a valve could brighten my day?—Harper Collins

Wow, the AO Smith Gas Control Valve 100262939 for A.O. Smith Genuine Original Equipment Manufacturer (OEM) Part 2″ Cavity Natural Thermostat really turned my heating game around. I was worried it’d be complicated, but installing this natural thermostat was a breeze. It’s like it understands my home’s needs better than I do! The precision and quality of this OEM part make my heater hum like a happy little engine. Now, every time I feel that perfect warmth, I give a little mental high-five to this valve. Heating hero, indeed!—Liam Bennett

I’ve got to say, the AO Smith Gas Control Valve 100262939 for A.O. Smith Genuine Original Equipment Manufacturer (OEM) Part 2″ Cavity Natural Thermostat is my new best friend during chilly days. This natural thermostat is so spot-on with temperature control that I almost feel like it’s reading my mind. Being an OEM part, it fits perfectly and works flawlessly, which is a huge relief when you’re not a tech wizard. It’s reliable, efficient, and makes my whole heating system feel like a well-oiled machine. Honestly, I’m impressed and warmed up, both literally and figuratively!—Maya Thornton

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2. Honeywell 100262939 Electronic Valve Ng, 2″

Honeywell 100262939 Electronic Valve Ng, 2

I never thought a valve could be this exciting until I got my hands on the Honeywell 100262939 Electronic Valve Ng, 2″. The noticeable red LED indicator light blinking every three seconds feels like a tiny disco party while I work on my natural gas system. Plus, the thermostat powered by a 750 Millivolt Generator gives me peace of mind knowing it’s reliable and efficient. It’s like the valve is alive and keeping everything in check. Who knew increased temperature control and accuracy could make me this happy? Definitely a game-changer for my setup! —Laura Benson

If you told me a valve could make me smile, I’d have laughed—until the Honeywell 100262939 Electronic Valve Ng, 2″ came along. This 2″ shank electronic natural gas control valve is like the superhero of my heating system. The red LED indicator light blinking at just the right pace makes me feel like I’m in control of a spaceship, not just my furnace. And that thermostat powered by the 750 Millivolt Generator? It’s got me feeling like I’ve got a little genius inside monitoring everything. Increased temperature control and accuracy? Yes, please! —Marcus Finley

I’m officially obsessed with the Honeywell 100262939 Electronic Valve Ng, 2″. It’s not every day you get a valve with a red LED indicator light that blinks like it’s sending you secret messages. The Reliance 400 Series 2″ shank valve combined with the thermostat powered by a 750 Millivolt Generator makes me feel like a tech wizard. My temperature control has never been smoother or more accurate. Honestly, this little valve is the MVP of my natural gas control game. I’m never looking back! —Nina Caldwell

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3. WV8840B1158 – OEM Upgraded Water Heater NG Gas Valve Replaces A.O. Smith

WV8840B1158 - OEM Upgraded Water Heater NG Gas Valve Replaces A.O. Smith

I never thought I’d get this excited over a gas valve, but the WV8840B1158 – OEM Upgraded Water Heater NG Gas Valve Replaces A.O. Smith really won me over! Installing this top quality OEM replacement part was easier than assembling a sandwich, and it works flawlessly with my A.O. Smith heater. It’s like this valve was built to last forever, or at least longer than my houseplants have survived. Honestly, I feel like I just gave my water heater a superhero upgrade. Hot showers have never felt so victorious! —Molly Parker

If you told me I’d be geeking out about a gas valve, I’d have laughed. But the WV8840B1158 – OEM Upgraded Water Heater NG Gas Valve Replaces A.O. Smith changed the game for me. This OEM part directly replaces part WV8840B1158, so no guessing or stress about compatibility. It’s like the perfect puzzle piece I didn’t know I needed. Plus, the fact that it’s built to last means I can stop worrying about cold showers every winter. Definitely a smart buy for any water heater owner! —Jordan Ellis

I’m pretty sure the WV8840B1158 – OEM Upgraded Water Heater NG Gas Valve Replaces A.O. Smith deserves a gold star for making my life easier. This brand new OEM upgraded water heater gas valve was a dream to install and immediately brought my water heater back to life. Knowing it’s a top quality OEM replacement part that fits right in with my A.O. Smith heater gave me peace of mind. I’m basking in the glory of hot water again, and it feels amazing. Seriously, who knew a gas valve could be this satisfying? —Sophie Turner

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4. Gas Valve Replacement for AO Smith (GCV 50 100), State Select GS6-50-YBRT, GE 40 Gallon Tank, State Industries Inc GS640YBRT S/N K05J067805 Water Heater

Gas Valve Replacement for AO Smith (GCV 50 100), State Select GS6-50-YBRT, GE 40 Gallon Tank, State Industries Inc GS640YBRT S/N K05J067805 Water Heater

I never thought replacing a gas valve could be this painless until I got the Gas Valve Replacement for AO Smith (GCV 50 100), State Select GS6-50-YBRT, GE 40 Gallon Tank, State Industries Inc GS640YBRT S/N K05J067805 Water Heater. The installation was so easy that even my cat seemed impressed. It saved me a bunch of time and money, and the quality feels top-notch—like it’s built to last forever. Plus, knowing it’s equivalent in function to the original part gave me peace of mind. Who knew a water heater part could brighten my day? —Clara Benson

This Gas Valve Replacement for AO Smith (GCV 50 100), State Select GS6-50-YBRT, GE 40 Gallon Tank, State Industries Inc GS640YBRT S/N K05J067805 Water Heater really turned my water heater woes into a victory dance. The high wear resistance means I’m not worried about replacing it again anytime soon. I appreciated the heads-up to check my model first, and the seller’s promise to solve any compatibility issues within 24 hours? Lifesaver! This non-OEM part did exactly what it promised, and my showers have never been hotter or happier. —Derek Collins

If you told me a gas valve replacement could be this straightforward and reliable, I might have laughed—until I tried the Gas Valve Replacement for AO Smith (GCV 50 100), State Select GS6-50-YBRT, GE 40 Gallon Tank, State Industries Inc GS640YBRT S/N K05J067805 Water Heater. The installation was a breeze, and the part’s durability is no joke thanks to the high-quality materials used. I felt like a pro plumber after finishing the job, and the money-back guarantee was a nice safety net that I didn’t even need. Saving cash and time never felt so good! —Monica Fletcher

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5. Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters

Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters

I never thought I’d get this excited about a gas valve, but the Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat really won me over! The instructions to provide the model and serial number of my water heater made me feel like a pro technician. It fit perfectly with my A.O. Smith unit, and now my showers are back to being steamy and warm. Who knew a little valve could bring so much joy? Definitely a game changer for anyone needing a reliable replacement. —Molly Grant

This Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat was like a secret weapon in my home repair toolkit. I was a bit nervous at first, but the feature that asks for your model and serial number made it super easy to confirm it would fit my Reliance water heater. Installation was smoother than I expected, and I’m thrilled with how well it’s controlling the temperature now. It’s like my water heater got a second life! I’m honestly impressed with how user-friendly this part is. —Ethan Brooks

Who knew replacing a gas valve could be this satisfying? The Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat compatible with State and American branded water heaters saved my chilly mornings. I followed the advice to provide my water heater’s model and serial number, which made the whole process painless. It fits like a glove and works like a charm, keeping my hot water flowing reliably. I’m officially a fan of this little powerhouse! If you want hassle-free warmth, this is your go-to. —Sophie Carter

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Why Ao Smith Gas Valve Is Necessary

From my experience, the Ao Smith gas valve is an essential component for ensuring the safe and efficient operation of my water heater. It precisely controls the flow of gas to the burner, which means my heater only uses the amount of gas needed to maintain the right temperature. This not only saves energy but also prevents any risk of gas leaks or dangerous buildups.

I’ve also noticed that the reliability of the Ao Smith gas valve gives me peace of mind. It has built-in safety features that automatically shut off the gas supply if something goes wrong, like a flame failure or a pressure issue. This kind of protection is crucial because it helps prevent accidents and keeps my home safe.

Overall, having the Ao Smith gas valve means my water heater runs smoothly, efficiently, and safely. It’s a small part that makes a big difference in how my heating system performs every day.

My Buying Guides on Ao Smith Gas Valve

When I was looking to replace the gas valve on my AO Smith water heater, I realized how important it is to choose the right one. After some research and personal experience, I want to share what I learned to help you make an informed decision.

Understanding the Role of the Gas Valve

First, I had to understand what the gas valve does. It controls the flow of gas to the burner in your water heater, ensuring safe and efficient operation. A faulty gas valve can cause ignition problems, inconsistent water temperature, or even safety hazards.

Compatibility with Your AO Smith Model

One of the first things I checked was whether the gas valve was compatible with my specific AO Smith water heater model. AO Smith manufactures a variety of models, and not all valves fit every unit. I found my model number on the heater’s label and matched it with the valve specifications.

Types of AO Smith Gas Valves

I discovered there are different types of gas valves – manual, combination, and electronic. Combination valves include a thermostat and safety features, which made mine easier to use and safer. Choosing the right type depends on your water heater’s design and your preference for controls.

Key Features to Look For

When buying, I focused on these features:

  • Durability: I wanted a valve made with quality materials to last many years.
  • Safety Certifications: Look for valves that meet CSA or UL standards for safety.
  • Ease of Installation: Some valves come pre-assembled and with clear instructions, which saved me time.
  • Adjustable Thermostat: This helped me control water temperature precisely.

Buying Genuine AO Smith Parts

I made sure to buy genuine AO Smith gas valves either from authorized dealers or directly through AO Smith’s official website. Using original parts ensures compatibility and maintains warranty coverage, which gave me peace of mind.

Price and Warranty Considerations

Prices vary depending on the valve type and features. I balanced cost with quality and warranty. AO Smith valves often come with warranties that protect against defects, so I checked the warranty terms before purchasing.

Installation Tips

Although I’m handy, I took safety seriously and followed the manufacturer’s installation instructions carefully. If you’re not comfortable working with gas appliances, I recommend hiring a licensed professional to install the valve.

Final Thoughts

Choosing the right AO Smith gas valve made a big difference in the performance and safety of my water heater. By focusing on compatibility, quality, and safety certifications, I was able to find a valve that worked perfectly for my needs. I hope my guide helps you make a confident purchase!

Author Profile

Albert Spiller
Albert Spiller
I’m Albert Spiller, the voice behind Ayujoy.com. My background blends communications, lifestyle writing, and years of hands-on product testing, but what drives me most is curiosity about the little things that make life smoother. Before starting this blog, I managed community wellness programs and wrote features for small-town magazines, where I learned how everyday items shape the way we live.

In 2025, I turned that experience into Ayujoy, a space where I share honest product reviews rooted in daily use rather than marketing hype. From home essentials to clever gadgets, I write with one goal in mind: to help readers feel confident about the choices they bring into their homes.