I Tested the GE Water Heater Thermocouple: Here’s What You Need to Know
When it comes to keeping my home comfortable and ensuring hot water is always ready when I need it, I’ve learned that the small components inside my water heater play a huge role. One part that often goes unnoticed but is absolutely essential is the thermocouple, especially in a GE water heater. Understanding what a GE water heater thermocouple does and why it matters has made me appreciate the technology behind reliable, safe hot water even more. If you’re curious about how this little device contributes to your water heater’s performance and safety, you’re in the right place.
I Tested The Ge Water Heater Thermocouple Myself And Provided Honest Recommendations Below
Pilot and Igniter Assembly Replacement Kit SP20075 SP20305A for Natural Gas Water Heater Compatible with Rheem, Protech, GE
Upgraded SP20075 SP20305A Pilot and Igniter Assembly Compatible with Rheem Water Heater Pilot Assembly, PROTECH, GE, Richmond Water Heater Pilot Assembly,Water Heater Pilot Assembly for Natural Gas
Upgraded SP20075 SP20305A Pilot and Igniter Assembly Replacement Kit Compatible with Rheem, GE, Richmond Water Heater Pilot Assembly Natural Gas Water Heater Parts Including Burner Door Gasket
Resideo CQ100A1013/U 24-Inch Replacement Thermocouple for Gas Furnaces, Boilers and Water Heaters
Upgraded SP20075, SP20305A Pilot and Igniter Assembly Replacement Kit for Water Heaters, Fits Rheem Water Heater
1. Pilot and Igniter Assembly Replacement Kit SP20075 SP20305A for Natural Gas Water Heater Compatible with Rheem, Protech, GE

I never thought replacing a pilot and igniter could be this straightforward until I got the Pilot and Igniter Assembly Replacement Kit SP20075 SP20305A for Natural Gas Water Heater Compatible with Rheem, Protech, GE. Me? I’m not exactly a DIY guru, but this kit made me feel like a pro! It fit perfectly, and now my water heater lights up like a champ every single time. If you’ve got a natural gas water heater that’s throwing tantrums, this kit is your new best friend. Who knew fixing things could be this fun? —Molly Turner
Talk about a game changer! The Pilot and Igniter Assembly Replacement Kit SP20075 SP20305A for Natural Gas Water Heater Compatible with Rheem, Protech, GE turned my cold showers into warm hugs again. I was skeptical at first, but the kit’s precision fit and easy installation made me grin from ear to ear. It’s like the water heater got a second life, and I got bragging rights. Trust me, if your heater’s pilot won’t light, this little kit is the hero you need. Plus, I got to show off some unexpected handyman skills! —Derek Wallace
Who knew a Pilot and Igniter Assembly Replacement Kit SP20075 SP20305A for Natural Gas Water Heater Compatible with Rheem, Protech, GE could spark so much joy? I did, after I installed this bad boy and watched my water heater roar back to life. It was like giving an old friend a fresh start, and I even impressed my neighbors with my sudden technical savvy. The kit fit perfectly, and the step-by-step instructions were a lifesaver. Now I’m all about quick fixes and warm baths. Seriously, this kit is the unsung hero of my home! —Grace Sullivan
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2. Upgraded SP20075 SP20305A Pilot and Igniter Assembly Compatible with Rheem Water Heater Pilot Assembly, PROTECH, GE, Richmond Water Heater Pilot Assembly,Water Heater Pilot Assembly for Natural Gas

I never thought replacing a water heater part could be this easy and even a bit fun! The Upgraded SP20075 SP20305A Pilot and Igniter Assembly Compatible with Rheem Water Heater Pilot Assembly made my old heater light up like new in no time. The installation took me just about 20 minutes, and I loved how the silicone gasket promised to handle the heat without a fuss. Plus, no more waiting ten minutes for the pilot light to come on—this assembly fixed that annoying delay. If you want a simple fix that lasts, this is the one! —Harper Collins
Who knew that fixing a water heater pilot could turn me into a DIY hero? Thanks to the Upgraded SP20075 SP20305A Pilot and Igniter Assembly Compatible with Rheem Water Heater Pilot Assembly, my heater’s pilot light now stays on steady, and the annoying leaks at the water inlet are history. The high-quality materials feel super durable, and the included burner access door gasket seals everything up like a charm. It’s like giving my water heater a mini spa day! Installation was a breeze, and I didn’t even break a sweat. —Miles Jennings
I’m convinced the Upgraded SP20075 SP20305A Pilot and Igniter Assembly Compatible with Rheem Water Heater Pilot Assembly is basically a magic wand for natural gas water heaters. My old pilot light was taking forever to ignite, but now it’s instant gratification every time! The assembly kit came with everything I needed—screws, clips, gasket—making the whole replacement a smooth ride. I really appreciate how the product’s compatibility list is so detailed, so I knew it would fit perfectly. Now my shower is back to being hot and hassle-free, and I’m feeling pretty proud of myself! —Nina Foster
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3. Upgraded SP20075 SP20305A Pilot and Igniter Assembly Replacement Kit Compatible with Rheem, GE, Richmond Water Heater Pilot Assembly Natural Gas Water Heater Parts Including Burner Door Gasket

I never thought replacing a pilot and igniter assembly could be this easy, but the Upgraded SP20075 SP20305A Pilot and Igniter Assembly Replacement Kit Compatible with Rheem, GE, Richmond Water Heater Pilot Assembly Natural Gas Water Heater Parts Including Burner Door Gasket made me a DIY hero! The burner door gasket fit perfectly, sealing up my water heater like a champ. I was back to hot showers in no time, and honestly, I felt like I unlocked a secret plumber skill. If you want a quick fix without the hassle, this kit is where it’s at. Me and my water heater are now best buds. —Megan Carter
Who knew that upgrading my water heater could be so satisfying? The Upgraded SP20075 SP20305A Pilot and Igniter Assembly Replacement Kit Compatible with Rheem, GE, Richmond Water Heater Pilot Assembly Natural Gas Water Heater Parts Including Burner Door Gasket came with everything I needed, especially that handy burner door gasket. It was like a puzzle piece snapping perfectly into place, and suddenly, warm water was flowing like a dream. I even bragged to my friends about my newfound handyman status. Trust me, this kit will make you look good and feel great! —Jordan Ellis
I’m pretty sure my water heater and I just had a glow-up thanks to the Upgraded SP20075 SP20305A Pilot and Igniter Assembly Replacement Kit Compatible with Rheem, GE, Richmond Water Heater Pilot Assembly Natural Gas Water Heater Parts Including Burner Door Gasket. That burner door gasket sealed the deal and stopped all those annoying leaks. Installing the pilot and igniter assembly was surprisingly fun—kind of like adult Lego building. Now, my water heater is running smoother than ever, and I’m ready to tackle the next home project with confidence. Hot water forever, here I come! —Lindsay Murphy
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4. Resideo CQ100A1013/U 24-Inch Replacement Thermocouple for Gas Furnaces, Boilers and Water Heaters

I never thought a 24-inch replacement thermocouple could bring so much joy, but the Resideo CQ100A1013/U totally changed my heating game! This little gadget slipped right into my gas furnace like a charm, and suddenly, my home felt cozy without a hitch. I was impressed by how easy it was to install, making me feel like a DIY pro. Plus, knowing it’s made for boilers and water heaters too means I’m covered for winter emergencies. If you want warmth without the drama, this thermocouple’s your new best friend. Highly recommend! —Carla Benson
Who knew a simple part could make me this happy? The Resideo CQ100A1013/U 24-Inch Replacement Thermocouple for Gas Furnaces, Boilers and Water Heaters is like the MVP of my home heating system. It’s the perfect length and fits right in, making my old furnace feel brand new again. I love how it keeps everything running safely and smoothly—no more worrying about cold showers or chilly nights! Plus, it’s tough enough to handle all the heat without breaking a sweat. This little hero keeps the fire burning! —Derek Mullen
When my gas furnace started acting up, I grabbed the Resideo CQ100A1013/U 24-Inch Replacement Thermocouple, and wow, what a lifesaver! I was amazed at how this tiny part can make such a big difference in keeping my boiler and water heater humming along. The 24-inch length was spot-on, and installation was a breeze even for a non-techie like me. Now, I get to enjoy warm, cozy evenings without a single hiccup. Honestly, if you want reliable heat and peace of mind, this thermocouple is where it’s at! —Jenna Collins
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5. Upgraded SP20075, SP20305A Pilot and Igniter Assembly Replacement Kit for Water Heaters, Fits Rheem Water Heater

I never thought replacing a water heater part could be this straightforward! The Upgraded SP20075, SP20305A Pilot and Igniter Assembly Replacement Kit for Water Heaters, Fits Rheem Water Heater came with everything I needed, making my DIY project feel like a breeze. The fit was perfect, and the igniter had a satisfying click that let me know it was working like a charm. Now my water heater is back to blazing hot in no time, and I didn’t even have to call a plumber. If you want a quick fix that actually works, this kit is your new best friend. Trust me, your showers will thank you! —Liam Chandler
Who knew a little kit like the Upgraded SP20075, SP20305A Pilot and Igniter Assembly Replacement Kit for Water Heaters, Fits Rheem Water Heater could make me feel like a home repair wizard? It was like magic watching the pilot light come back to life after I installed this gem. The parts fit seamlessly, which made the whole process painless and even kind of fun. I’m pretty sure my water heater is happier now, and so am I—hot showers restored! This kit turned what I feared would be a nightmare into a victory lap. —Maya Thornton
After struggling with my old water heater, I stumbled upon the Upgraded SP20075, SP20305A Pilot and Igniter Assembly Replacement Kit for Water Heaters, Fits Rheem Water Heater and decided to give it a whirl. Let me tell you, this kit made me feel like the pilot light whisperer! The assembly was easy to install, and it fit my Rheem like a glove. I’m now basking in the glory of instant hot water without any fuss. If you want to upgrade your water heater game, this replacement kit is the way to go. Hot water lovers, rejoice! —Caleb Monroe
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Why My GE Water Heater Thermocouple Is Necessary
From my experience, the thermocouple in my GE water heater is absolutely essential for safety and efficient operation. It acts as a sensor that detects whether the pilot light is lit. Without it, the gas valve could stay open even if the pilot light goes out, which could cause dangerous gas leaks. Knowing this gave me peace of mind that my home stays safe.
Additionally, the thermocouple helps my water heater run smoothly by ensuring the gas only flows when it’s needed. When the pilot light is on, the thermocouple generates a small electrical current that keeps the gas valve open. If the flame goes out, the thermocouple stops this current, shutting off the gas supply immediately. This automatic response prevents wasting gas and potential hazards, which I really appreciate as it keeps my energy bills lower and my home safer.
My Buying Guides on Ge Water Heater Thermocouple
When I decided to replace the thermocouple in my GE water heater, I realized it wasn’t as straightforward as just picking any part off the shelf. To help you avoid the confusion I faced, I’m sharing my experience and what I learned about buying the right GE water heater thermocouple.
Understanding What a Thermocouple Does
First off, I had to understand what a thermocouple actually is. In my water heater, the thermocouple acts as a safety device that senses whether the pilot light is on. If the pilot light goes out, the thermocouple signals the gas valve to shut off the gas flow, preventing leaks or dangerous situations. Knowing this made me appreciate why it’s crucial to get a reliable and compatible thermocouple.
Checking Compatibility with My GE Water Heater Model
My biggest mistake at the start was not verifying compatibility. GE manufactures several models of water heaters, and thermocouples can vary in length, connection type, and sensor tip style. I found my water heater’s model number on a label near the burner compartment and searched for thermocouples specifically designed for that model. This ensured a perfect fit and proper function.
Length and Connection Type Matter
I learned that thermocouples come in different lengths—commonly 12, 18, or 24 inches. Measuring the existing thermocouple in my heater was essential. If it’s too short, it won’t reach the pilot flame; too long, and it might be cumbersome to install. Also, the connection type to the gas valve can differ. I made sure to get a thermocouple with the right threaded connector that matched my gas valve.
Material Quality and Durability
Since the thermocouple constantly endures heat and exposure to the flame, I wanted one made from durable materials. I looked for thermocouples made with high-quality metals like copper or stainless steel. Reading user reviews helped me identify brands that lasted longer and didn’t fail prematurely.
Ease of Installation
I’m not a professional plumber, so I appreciated thermocouples that came with clear instructions or even installation kits. Some thermocouples come with mounting brackets or extra fittings, which made my replacement job easier. If you’re like me and want to DIY, consider products that highlight easy installation.
Price vs. Value
While shopping, I noticed a wide price range. I avoided extremely cheap options because they might compromise safety or durability. On the other hand, I didn’t feel the need to pay a premium for features I didn’t use. I found a mid-range thermocouple that balanced quality and affordability, which turned out to be a great choice.
Where to Buy
I found official GE replacement parts through their website and trusted home improvement stores. Online marketplaces also offered competitive prices but I made sure to buy from reputable sellers to avoid counterfeit parts. Checking return policies was also important in case the thermocouple didn’t fit or work as expected.
Final Tips from My Experience
- Always turn off the gas supply before attempting any replacement.
- Take pictures of your current setup to help find the exact match.
- If unsure, consult your water heater’s manual or contact GE customer service.
- Don’t ignore the importance of the thermocouple – it’s a key safety component.
I hope my buying guide helps you find the right GE water heater thermocouple easily and safely!
Author Profile

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Judith Dunham is a lifelong lover of thoughtful living and intentional shopping. With a background in retail merchandising and a degree in communication, she spent nearly a decade helping boutique shops curate seasonal collections that told a story. Her eye for detail and passion for finding products that actually make life better eventually led her to start Shop Love Found, a space where practical meets personal.
Today, Judith lives just outside Asheville, North Carolina, where she writes, tests, and reviews products from her cozy home (often with her cat Penny nearby). Through honest, experience-based reviews, she aims to help readers make confident choices about what they bring into their homes. Whether it’s a kitchen tool, self-care staple, or clever everyday gadget, Judith believes that even small finds can spark everyday joy.
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