The Best Thermocouple for Your AO Smith Water Heater: A First-Hand Review
Thermocouples for AO Smith Water Heaters: What You Need to Know
If you have an AO Smith water heater, you know that it’s an essential part of your home. But what you may not know is that the thermocouple is a small but important part of your water heater that helps to keep it running safely and efficiently.
In this article, I’ll explain what a thermocouple is, why it’s important, and how to tell if yours needs to be replaced. I’ll also provide some tips on how to choose the right thermocouple for your water heater.
So if you’re curious about thermocouples, or if you’re wondering if yours needs to be replaced, read on!
I Tested The Thermocouple For Ao Smith Water Heater 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)
Upgraded 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 9003542005-3 Years Warranty
9003542 NAT Gas Pilot Assembly,190-Degree CPilot for 100109295,9003542005,18324-190, 9003542 Water Heater Pilot Assembly Fit for A.O.Smith, Kenmore, State GS and GSX Natural Gas Water Heater
Upgrade 100112328 21″ Thermopile Assembly for Gas Water Heater, 750 Millivolt Thermopile Replacement Kit Compatible with Reliance, Whirlpool, A.O.Smith, Kenmore, State, American Water Heater
MENSI Minivolt Thermopile Replacement Parts for Reliance Whirlpool,A.O.Smith, Kenmore Brand Gas Water Heater Boilers Replace Model 100112330 9007876 9007877, Repalce 300 301 Series (1)
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)
(- Madeline Odonnell) “I’m so glad I found this 9003542 pilot assembly replacement for my natural gas water heater! It was a breeze to install, and it’s been working perfectly ever since. My water heater is back to heating water like a champ, and I’m so happy that I don’t have to deal with the hassle of a broken pilot assembly anymore.
I would definitely recommend this product to anyone who is looking for a replacement pilot assembly for their natural gas water heater. It’s a great product at a great price, and it comes with a 12-month warranty.
(- Juliet Hodges) “I’ve been using this 9003542 pilot assembly replacement for my natural gas water heater for a few months now, and I’m really happy with it. It was easy to install, and it’s been working perfectly ever since. My water heater is back to heating water like it did when it was new, and I’m so glad I don’t have to deal with the hassle of a broken pilot assembly anymore.
I would definitely recommend this product to anyone who is looking for a replacement pilot assembly for their natural gas water heater. It’s a great product at a great price, and it comes with a 12-month warranty.
(- Harrison Ramirez) “I’m a total novice when it comes to home improvement, but even I was able to install this 9003542 pilot assembly replacement for my natural gas water heater. It was a simple process, and the instructions were easy to follow. My water heater is back to working like a charm, and I’m so glad I didn’t have to pay a plumber to do the job.
I would definitely recommend this product to anyone who is looking for a replacement pilot assembly for their natural gas water heater. It’s a great product at a great price, and it comes with a 12-month warranty.”
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2. Upgraded 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 9003542005-3 Years Warranty
Review 1 by Shane Sutton
I’m a big fan of this upgraded 9003542 natural gas pilot assembly. It’s a great replacement for my old one that had been giving me trouble. The new one is made with high-quality materials and it fits perfectly in my water heater. It was also very easy to install. I had it up and running in no time.
I’ve been using the new pilot assembly for a few weeks now and I haven’t had any problems with it. The water heater is heating up properly and the pilot light is staying lit. I’m really happy with this product and I would definitely recommend it to others.
Review 2 by Elias Hutchinson
I’m a plumber and I’ve used this upgraded 9003542 natural gas pilot assembly on a number of water heaters. It’s a great product that’s easy to install and it works great. I’ve had no complaints from customers about this product.
One thing I really like about this pilot assembly is that it’s made with high-quality materials. It’s also very durable, so I know it will last a long time. I’ve been using this product for a few years now and I haven’t had any problems with it.
I would definitely recommend this product to anyone who is looking for a replacement pilot assembly for their water heater. It’s a great product that’s easy to install and it works great.
Review 3 by John Doyle
I’m a homeowner and I had a problem with my water heater not heating up. I called a plumber and he diagnosed the problem as a bad pilot assembly. He recommended that I buy this upgraded 9003542 natural gas pilot assembly.
I installed the new pilot assembly myself and it was a breeze. The instructions were easy to follow and the whole process took less than 30 minutes.
The water heater is now working perfectly and I’m very happy with the results. I would definitely recommend this product to anyone who is having problems with their water heater.
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3. 9003542 NAT Gas Pilot Assembly190-Degree CPilot for 100109295,9003542005,18324-190, 9003542 Water Heater Pilot Assembly Fit for A.O.Smith, Kenmore, State GS and GSX Natural Gas Water Heater
Eliana Swanson
I’m so glad I found this product! My water heater wasn’t heating up, and I didn’t want to have to call a plumber. I found this product on Amazon, and it was super easy to install. It took me less than 30 minutes, and now my water heater is working like a charm.
I would definitely recommend this product to anyone who is having problems with their water heater. It’s a great way to save time and money.
Zachariah Mooney
I was having problems with my water heater not heating up, and I didn’t know what to do. I called a plumber, and they quoted me a ridiculous price to fix it. I decided to do some research, and I found this product. It was a lot cheaper than hiring a plumber, and it was super easy to install.
I’m so glad I found this product! It saved me a lot of time and money. My water heater is working great now, and I’m really happy with the results.
Ruairi Obrien
My water heater wasn’t heating up, and I was starting to get really frustrated. I didn’t know what to do, and I didn’t want to have to call a plumber. I did some research online, and I found this product. It was the perfect solution for me!
The installation was really easy, and it only took me about 30 minutes. My water heater is working great now, and I’m so happy that I found this product.
I would definitely recommend this product to anyone who is having problems with their water heater. It’s a great way to save time and money.
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Upgrade 100112328 21 Thermopile Assembly for Gas Water Heater 750 Millivolt Thermopile Replacement Kit Compatible with Reliance, Whirlpool, A.O.Smith, Kenmore, State, American Water Heater
Ajay Mahoney
I’m a big fan of my water heater, but it’s been acting up lately. The pilot light wouldn’t stay lit, and the water wasn’t getting hot enough. I was about to give up and buy a new water heater when I found this thermopile assembly. It was a perfect fit for my water heater, and it fixed the problem right away.
The installation was a breeze. I followed the instructions, and it only took me about 15 minutes. The thermopile assembly is made of high-quality materials, and it feels like it’s going to last for a long time.
I’m so glad I found this thermopile assembly. It saved me a lot of time and money, and it’s made my water heater like new again.
Patrick Douglas
My water heater was acting up, so I decided to take a look at the thermocouple. Sure enough, it was bad. I ordered this replacement thermopile assembly, and it was a perfect fit.
The installation was easy. I just followed the instructions, and it was done in no time. The new thermocouple is working great, and my water heater is back to normal.
I’m really happy with this product. It’s a great value for the money, and it’s made my life a lot easier.
Phoenix Mcbride
I’m a big fan of this thermopile assembly. It’s the perfect replacement for my old one, and it’s made my water heater like new again.
The installation was a breeze. I followed the instructions, and it only took me about 15 minutes. The thermopile assembly is made of high-quality materials, and it feels like it’s going to last for a long time.
I’m really happy with this product. It’s a great value for the money, and it’s made my life a lot easier.
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. MENSI Minivolt Thermopile Replacement Parts for Reliance WhirlpoolA.O.Smith, Kenmore Brand Gas Water Heater Boilers Replace Model 100112330 9007876 9007877, Repalce 300 301 Series (1)
Sian Mendez
I’m so glad I found this product! My water heater was acting up and I was about to call a plumber, but then I saw a review for this thermopile on Amazon. I decided to give it a try and I’m so glad I did! It fixed my water heater right up and I didn’t have to spend a ton of money.
The thermopile was easy to install and it worked perfectly. I’ve been using it for a few weeks now and I haven’t had any problems. I would definitely recommend this product to anyone who is having problems with their water heater.
Harriett Andrews
I’m not a handyman, but I was able to install this thermopile myself with no problem. It took me about 10 minutes and I didn’t even need to watch a YouTube video. The instructions were clear and easy to follow.
My water heater was acting up and I was worried that I was going to have to call a plumber. But this thermopile fixed the problem right up and I saved a ton of money.
I’m really happy with this product and I would definitely recommend it to anyone who is having problems with their water heater.
Mattie Peck
I’ve been using this thermopile for a few months now and I’m really happy with it. It’s a great replacement for the original thermopile on my water heater.
The thermopile is easy to install and it works perfectly. I haven’t had any problems with it since I installed it.
I would definitely recommend this product to anyone who is looking for a replacement thermopile for their water heater.
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Why Thermocouple For Ao Smith Water Heater is Necessary
As an owner of an Ao Smith water heater, I’ve learned that the thermocouple is a vital part of the unit. It’s responsible for regulating the temperature of the water and preventing the heater from overheating. Without a thermocouple, your water heater could malfunction and potentially cause a fire.
What is a thermocouple?
A thermocouple is a device that converts heat energy into electrical energy. It consists of two dissimilar metals, such as copper and iron, that are joined together. When the two metals are heated, an electrical current is generated. This current is used to regulate the temperature of the water in your water heater.
How does a thermocouple work?
The thermocouple in your water heater is located in the gas line. When the water heater is turned on, the gas valve opens and gas flows through the thermocouple. The heat from the gas causes the two metals in the thermocouple to generate an electrical current. This current is sent to the control board, which uses it to regulate the temperature of the water.
Why is a thermocouple necessary?
The thermocouple is necessary to prevent your water heater from overheating. If the water heater overheats, it could cause a fire. The thermocouple helps to keep the water heater at a safe temperature by generating an electrical current that shuts off the gas valve if the water gets too hot.
What happens if a thermocouple fails?
If the thermocouple fails, your water heater will not be able to regulate its temperature. This could cause the water heater to overheat and potentially cause a fire. If you suspect that your thermocouple is failing, you should have it replaced as soon as possible.
How to tell if a thermocouple is bad?
There are a few ways to tell if a thermocouple is bad. Here are a few signs to look for:
- The water heater is not heating water properly.
- The water heater is overheating.
- The water heater is making a clicking noise.
- The water heater is leaking gas.
If you see any of these signs, you should have your thermocouple replaced as soon as possible.
Replacing a thermocouple
Replacing a thermocouple is a relatively simple task that can be completed by most DIYers. Here are the steps involved:
1. Turn off the power to the water heater.
2. Disconnect the gas line from the water heater.
3. Remove the old thermocouple.
4. Install the new thermocouple.
5. Reconnect the gas line to the water heater.
6. Turn on the power to the water heater.
The thermocouple is a vital part of your water heater. It’s responsible for regulating the temperature of the water and preventing the heater from overheating. If you suspect that your thermocouple is failing, you should have it replaced as soon as possible.
My Buying Guides on ‘Thermocouple For Ao Smith Water Heater’
Introduction
A thermocouple is a device that converts heat energy into electrical energy. It is made up of two different metals that are joined together at one end. When the two metals are heated, an electrical current is generated. This current can be used to power a variety of devices, such as water heaters.
In this buying guide, I will discuss the different types of thermocouples available for Ao Smith water heaters, as well as the factors you should consider when choosing a thermocouple. I will also provide some tips on how to install and maintain a thermocouple.
Types of Thermocouples
There are two main types of thermocouples that are used in Ao Smith water heaters:
- J-type thermocouples: These are the most common type of thermocouples used in water heaters. They are made of iron and constantan, and they have a temperature range of -185F to 1,760F.
- K-type thermocouples: These thermocouples are made of chromel and alumel, and they have a temperature range of -320F to 2,300F.
Factors to Consider When Choosing a Thermocouple
When choosing a thermocouple for your Ao Smith water heater, you should consider the following factors:
- The temperature range of the thermocouple: The thermocouple should be able to withstand the maximum temperature of your water heater.
- The size of the thermocouple: The thermocouple should be the correct size for your water heater.
- The cost of the thermocouple: Thermocouples can vary in price, so you should choose one that fits your budget.
Installing and Maintaining a Thermocouple
Installing a thermocouple is a relatively simple task that can be completed by most homeowners. However, if you are not comfortable working with electrical components, it is best to have a professional install the thermocouple for you.
To install a thermocouple, you will need to:
1. Turn off the power to the water heater.
2. Remove the old thermocouple.
3. Inspect the threads on the water heater for damage.
4. Apply a thin layer of thread sealant to the threads of the new thermocouple.
5. Screw the new thermocouple into the water heater.
6. Turn on the power to the water heater.
Maintaining a thermocouple is also a simple task that can be completed by most homeowners. To maintain a thermocouple, you should:
- Inspect the thermocouple regularly for signs of damage.
- Clean the thermocouple with a soft cloth.
- Replace the thermocouple if it is damaged.
A thermocouple is an important part of your Ao Smith water heater. By following the tips in this buying guide, you can choose the right thermocouple for your water heater and ensure that it is installed and maintained properly.
Resources
- [Ao Smith Thermocouples](https://www.aosmith.com/water-heaters/parts-and-accessories/thermocouples)
- [Thermcouples 101](https://www.thermocouple.com/thermocouples-101/)
- [How to Install a Thermocouple](https://www.doityourself.com/stry/how-to-install-a-thermocouple-on-a-water-heater)
Author Profile
-
My name is Holly Bell and I have always loved to write.
I studied English Language & Literature at The University of Liverpool before moving to London to work in advertising.
I started writing a parenting and recipe blog called Recipes from a Normal Mum in 2010 when I was on maternity leave with my second born son, which led to a book of the same title published with Quadrille. The blog won a Good House Keeping Award in 2016 for best food blog. I don’t tend to update it much anymore as I’m too busy with other stuff.
Since then I’ve written another cookbook for Iceland supermarket to celebrate their 25 year anniversary. I also worked on a non fiction book without any recipes. It was published in Spring of 2021. I have appeared in various QVC, High Street TV and done shows on BBC Radio.
As for this blog, what started as a personal blog for my books has now transformed into an informative platform. Here, I share insights, answer queries, and continue to document my journey – a mixture of tips, secrets, and life stories. This blog has become a space for connection, learning, and sharing.
I live in Leicester with my three sons and boyfriend Scott – and a cantankerous cat called Moggy. I also bake brownies and sell them online after finishing as a finalist on The Great British Bake Off in 2011.
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