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

4.5 4.5 out of 5 stars 725 ratings
$173.96 with 8 percent savings
List Price: $189.96

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Purchase options and add-ons

  • PLEASE PROVIDE MODEL AND SERIAL NUMBER OF YOUR WATER HEATER IF YOU NEED US TO DETERMINE CORRECT GAS VALVE PART NUMBER!
  • Temperature control assembly 100262939 supplies the burner with gas to heat the water
  • Gas control valve is compatible with all A.O. Smith manufactured products including A.O. Smith, Reliance, State, American, Whirlpool and Craftmaster branded heaters
  • A service technician is recommended for the repair to ensure the gas supply line is leak free
› See more product details

Customer ratings by feature

Easy to install
4.5 4.5
Value for money
4.4 4.4
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AO Smith Gas Control Valve 100262939 for A.O. Smith Genuine Original Equipment Manufacturer (OEM) Part 2" Cavity Natural Ther
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Sold by North America HVAC and ships from Amazon Fulfillment.
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Warranty & Support

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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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Product Description

Please feel free to contact us directly to determine if this is the correct gas valve for your water heater!!! We will need the model and serial number of the water heater to cross reference properly. The electronic gas control valve incorporates an LED status indicator that monitors system operation and service diagnostics. Gas control located within hot water heater uses a thermopile to generate the power needed to operate the electronic gas control without requiring an external power source. This product has been certified by a third party to be compliant with the “Safe Drinking Water Act” requirements for low lead in potable (human consumption - drinking and cooking) and non-potable water applications (non-human consumption). Thermostat is compatible with all A.O. Smith branded heaters including A.O. Smith, State Water Heaters, American Water Heater, Whirlpool, Craftmaster and Reliance. Product manufactured by Residio for A.O. Smith.

Customer reviews

4.5 out of 5 stars
4.5 out of 5
725 global ratings

Customers say

Customers like the performance, ease of installation, and value of the valve. For example, they mention it works great, it comes with adequate instructions, and the dials are easy to manage. That said, opinions are mixed on quality.

AI-generated from the text of customer reviews

31 customers mention25 positive6 negative

Customers like the performance of the valve. For example, they mention it works great, is easy to install, and resolves the problem.

"...This new one has been working great. Hope to get another 5 or hopefully more years from it!" Read more

"...I decided to install it anyway. It works great, but that extra inch caused the cover not to fit correctly." Read more

"...There are plenty of videos for how to change it. Works like a charm. 6 months in service and my water heater is still working like it should...." Read more

"...It works perfectly!" Read more

21 customers mention21 positive0 negative

Customers find the installation of the valve fairly easy. They say it comes with adequate instructions and the dials are easy to manage.

"...It showed up two days later, installed without issue, and voila! It has worked flawlessly for a couple of weeks...." Read more

"...It was an easy installment had no issues." Read more

"Very easy to install. Within. 15 minutes you’ll be back up and running." Read more

"...watched a YouTube video on how to replace it and found the install to be very simple...." Read more

12 customers mention12 positive0 negative

Customers appreciate the value of the valve. They say it's a lot cheaper than replacing the water heater.

"...Reasonable price, so far its only shut off on me once. I lowered the setting between low and hot and hopefully it won't happen again...." Read more

"...This is way cheaper than a new water heater." Read more

"Quality product for price point and application. It came within 24 hours of ordering. Exactly the same part, albeit different company "name"...." Read more

"...Worked like a charm. It was a lot cheaper than replacing the water heater." Read more

7 customers mention7 positive0 negative

Customers are satisfied with the fit of the valve. They mention that it fits perfectly, and everything lines up great.

"...I ended up installing it myself. It fit perfectly, everything lined up great and it works as advertised." Read more

"...Perfect fit, exact part I needed. I did not DIY this installation I hired a professional to install it." Read more

"Fit great and fired up once I installed it." Read more

"The gas valve fit properly and was installed without a problem. Whirlpool 50T10." Read more

14 customers mention8 positive6 negative

Customers have mixed opinions about the quality of the valve. Some say it's a good product, while others say that it was broken or defective.

"...For the cost of the this item, it is a fairly cheap replacement considering that the hot water heater is only 3-1/2 years old and in very good..." Read more

"The valve was defective, the license plumber put it in, worked great but the it started smoking?..." Read more

"Excellent product" Read more

"these valves go bad all the time, this is the second one I had to install!" Read more

Perfect!
5 Stars
Perfect!
This was a perfect replacement for broken Honeywell gas valve control. I am female with no experience with water heaters (it's an AO Smith). I followed an easy but detailed installation video and was able to install this with no problem. I saved more than half of what it would have cost me to hire it done. It works perfectly!
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Top reviews from the United States

D. B
5.0 out of 5 stars Works great.
Reviewed in the United States on August 3, 2023
Verified Purchase
The thermostat went out on my water heater and try to find a plumber to do the job. So I bought this because I was going to have to wait anyhow. I ended up installing it myself. It fit perfectly, everything lined up great and it works as advertised.
2 people found this helpful
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Jim D
5.0 out of 5 stars We have hot water again
Reviewed in the United States on November 2, 2023
Verified Purchase
After a good cleaning under the burner assembly, and replacing the pilot assembly, and still not able to keep the pilot lit, I tried replacing with this valve. After being without hot water for several days, the valve arrived, only to discover during installation that the threads for the copper pilot line weren't right. Correct size, but the connector would only screw in crooked, and therefore would leak gas. It was like they had been previously cross-threaded. Amazon quickly sent out a replacement. It showed up two days later, installed without issue, and voila! It has worked flawlessly for a couple of weeks. Where I live, there is no local company that will sell you appliace parts if you're not a contractor. While same-day isn't an option, being able to purchase thid from Amazon saved me hundreds of dollars having to hire a repair person.
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Roller Cam
5.0 out of 5 stars Works great!
Reviewed in the United States on June 27, 2023
Verified Purchase
This is the new version of the old Honeywell setup that came factory on my AO Smith heater. This new one has been working great. Hope to get another 5 or hopefully more years from it!
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Sophie Sanchez
5.0 out of 5 stars Seller has excellent response time
Reviewed in the United States on February 18, 2022
Verified Purchase
I really liked how prompt the seller was about answering questions so I was sure to get the right part. Reasonable price, so far its only shut off on me once. I lowered the setting between low and hot and hopefully it won't happen again. I've had the hardest time with my water heater this last year. Finally we can use the hot water and not worry about the water being cold! Perfect fit, exact part I needed. I did not DIY this installation I hired a professional to install it.
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Sherie M.
5.0 out of 5 stars Water heater
Reviewed in the United States on October 22, 2023
Verified Purchase
My part on the water heater was no longer working. Purchased this replacement part and worked like it came with water heater. It was an easy installment had no issues.
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Bobbie
1.0 out of 5 stars Product failed
Reviewed in the United States on February 21, 2024
Verified Purchase
I purchased the gas control valve in December, had it installed in
mid January. It failed to regulate the temperature of the water in the tank, causing it to oveheat and drip from the tube. Plumber came and said that the water was too hot, heater kept running, and that it could be a safety hazard. Amazon said that the return period was over by 2 weeks and that I should call AO Smith because it should be under warranty. AO Smith indicated that since I purchased this item from Amazon, that it is not covered by the warranty. I will be cancelling my Amazon Prime account.
One person found this helpful
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Douglas K.
5.0 out of 5 stars Purring like a kitten
Reviewed in the United States on April 12, 2023
Verified Purchase
Seems like a 1:1 replacement for Honeywell WV...1158. Pilot light took some time to get lit but once it did - everything worked as it should. If your water heater stops producing water, you get the 4 blinking Temperature cutoff lights intermittently, and you have to keep relighting - its your gas valve. At the end, my valve stopped lighting the pilot all together when I let go of the pilot button - it would shut off. My light then never came back on when the pilot was held and thermocouple was heated (producing voltage). This replacement fixed all that. It looked like it even came with some teflon paint on the threads - but I gave'r an extra wrap with tape to make sure. State water heater - commerical grade gs6-50-brt with honeywell wv...1158 valve replacement perfection.
2 people found this helpful
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bassguitarman
4.0 out of 5 stars Almost perfect
Reviewed in the United States on November 19, 2020
Verified Purchase
I installed this yesterday, and it is working perfectly. That being said, the neck on this particular control (the part that screws into the tank) is an easy inch longer than the one it replaced. I didn't notice that because the old unit was screwed in. I decided to install it anyway. It works great, but that extra inch caused the cover not to fit correctly.
2 people found this helpful
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