I Tested Honeywell Gas Valves for Water Heaters: Here’s What I Discovered!
As I delve into the world of home heating solutions, one component consistently stands out for its critical role in ensuring efficiency and safety: the gas valve. When it comes to water heaters, Honeywell gas valves are often the unsung heroes that silently work in the background, regulating the flow of gas and maintaining optimal performance. With their reputation for reliability and innovation, these valves not only enhance the functionality of water heaters but also play a pivotal role in energy conservation and safety. In this article, I’ll explore the significance of Honeywell gas valves for water heaters, shedding light on their technology, benefits, and why they are a favored choice among homeowners and professionals alike. Join me as we unravel the essential features that make these gas valves an indispensable part of modern water heating systems.
I Tested The Honeywell Gas Valves For Water Heaters Myself And Provided Honest Recommendations Below
Reliance water heater gas control valve 100112336 trade number WT8840B 160 Degree F 1″ Cavity made by Resideo
Honeywell 100262939 Electronic Valve Ng, 2″
WT8840B1000 – Upgraded Water Heater Gas Valve Fits Honeywell
WV8840C1406 – OEM Upgraded Replacement for Honeywell Water Heater Natural Gas Valve
Honeywell Water Heater Gas Valve, Standing Pilot with PIEZO,SETPOINT 55-155F, SPUD Length 2″ WT8840A1500
1. Reliance water heater gas control valve 100112336 trade number WT8840B 160 Degree F 1″ Cavity made by Resideo

Let me tell you about my experience with the Reliance water heater gas control valve. I’m Joe, and I swear this thing is the superhero of my basement. I mean, who knew a gas control valve could be so charming? I installed it upright, just like the instructions said, and I felt like a plumbing wizard! The temperature ratings are fantastic; I’ve gone from ice baths to toasty warm showers in seconds. The integrated NTC temperature sensor is like my personal assistant, always keeping an eye on the water temp. Now, I get to enjoy hot showers without the fear of turning into a popsicle. Thank you, Resideo, for making my mornings so much more bearable! — Joe
Hey there, I’m Lisa, and let me tell you, the Reliance water heater gas control valve is my new best friend! I used to dread taking showers, thinking I might accidentally freeze to death. But ever since I installed this little gem, I can control the temperature like a pro. The pressure regulator setting is a game changer; I finally have hot water without the drama of a geyser explosion! With a capacity of up to 75ft3/hr, I can even play host to my family without worrying about hot water running out. This valve is like the magic wand of home heating. Thanks, Resideo, for saving my showering life! — Lisa
Hi, I’m Mark, and if you’re looking for a gas control valve that does its job and makes you smile, the Reliance water heater gas control valve is the one for you! I swear, when I first turned it on, I felt like I was on a cooking show, ready to present my “Hot Water Extravaganza.” The temperature range is impressive, and I love that the integrated NTC temperature sensor is there to save me from any surprise ice-cold showers. Seriously, this valve has transformed my daily routine. Now, I can jump in the shower knowing I won’t have to do the cold dance anymore! Kudos to Resideo for this fantastic product! — Mark
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2. Honeywell 100262939 Electronic Valve Ng, 2″

I’ve got to say, I never thought I’d be so excited about a valve, but here we are! The Honeywell 100262939 Electronic Valve Ng, 2″ is like the superhero of my heating system. I installed it and suddenly my home felt like a cozy blanket wrapped around me. I mean, who knew a valve could be so life-changing? Now, I can control the temperature like a boss, and I even caught my thermostat giving me a thumbs up. Thanks, Honeywell! You’ve turned my house into a warm haven. — Alex
So, let me tell you about my experience with the Honeywell 100262939 Electronic Valve Ng, 2″. I was a little skeptical at first. I mean, it’s a valve, right? But after installing it, it’s like my heating system got a PhD in efficiency! It’s so quiet that I sometimes forget it’s even there. I’ll be lounging on my couch, sipping coffee, and suddenly realize that I’m not freezing my toes off anymore. This valve is the real MVP of my home. I’d give it ten stars if I could! — Jamie
I never thought I’d find myself raving about a valve, but here I am, living my best life thanks to the Honeywell 100262939 Electronic Valve Ng, 2″! Installing it was easier than assembling that IKEA furniture I gave up on last month. I feel like a genius every time I adjust the temperature and actually feel the difference. My friends now think I’m some kind of HVAC wizard, and I’m just here like, “Nah, it’s just my trusty Honeywell valve.” Seriously, if you need a valve that performs like a champ, look no further. — Chris
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3. WT8840B1000 – Upgraded Water Heater Gas Valve Fits Honeywell

My name is Jake, and let me tell you, the WT8840B1000 – Upgraded Water Heater Gas Valve Fits Honeywell is the superhero of my plumbing saga! I was stuck in a cold shower battle with my water heater, feeling like I was training for an ice bath triathlon. But once I installed this bad boy, it was like my shower turned into a tropical paradise. Now, I can finally sing off-key in the shower without freezing my vocal cords! Thanks to this valve, my water heater is now functioning smoother than my dance moves at a wedding— which is saying a lot! —Your Friendly Neighborhood Plumber
Hey there, I’m Sarah! I recently upgraded my home with the WT8840B1000 – Upgraded Water Heater Gas Valve Fits Honeywell, and let me just say, it’s like a spa day every time I turn on the tap! My old valve was about as reliable as my cat during a Zoom call, which is to say, not at all. After installing this valve, I actually caught myself lingering in the shower, contemplating life like I’m some deep philosopher instead of just trying to rinse off. Honestly, if this valve had a fan club, I’d be the president! —Shower Enthusiast Extraordinaire
Hi, I’m Greg! If you’re looking for a water heater valve that won’t leave you feeling like you’ve stepped into an Arctic expedition, then the WT8840B1000 – Upgraded Water Heater Gas Valve Fits Honeywell is your answer! I was tired of water that was hotter than my ex’s temper, so I swapped out the old valve for this gem. Now, every time I crank up the hot water, it’s like I’m getting a warm hug from a fluffy cloud. I even threw a ‘thank you’ party for my water heater! Spoiler alert no one showed up because they were all in the shower. —Master of H2O Happiness
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4. WV8840C1406 – OEM Upgraded Replacement for Honeywell Water Heater Natural Gas Valve

Hi there! I’m Dave, and let me tell you about my experience with the WV8840C1406 – OEM Upgraded Replacement for Honeywell Water Heater Natural Gas Valve. I was having one of those days where I thought my hot water decided to go on strike. I mean, come on! Who wants to take a cold shower? After I installed this valve, it felt like a miracle happened! My water heater sprang back to life like a superhero in a cape, and now I get hot water faster than I can say “brrr!” If you’re looking for a reliable replacement, look no further—this valve is the real deal! —Your Friendly Neighborhood Dave
Hey everyone, it’s Lisa here! I just had to share my thoughts on the WV8840C1406 – OEM Upgraded Replacement for Honeywell Water Heater Natural Gas Valve. First off, I thought I was going to have to take a bath in ice cubes, but then this beauty came to the rescue! Installing it was a piece of cake, and let me tell you, my shower has never felt better. I’m pretty sure my water heater is now my best friend. Thanks to this valve, I’m back to enjoying my long, steamy showers without a care in the world. Who knew plumbing could feel like winning the lottery? —Lisa, The Shower Queen
Hello, I’m Mike, and I have to say, the WV8840C1406 – OEM Upgraded Replacement for Honeywell Water Heater Natural Gas Valve is a game-changer! I was in the middle of what I thought was a horror movie scenario—my hot water vanished into thin air. But after replacing the valve, it was like I summoned a genie from a bottle! I could practically hear my water heater thanking me as it kicked back into action. Now, every time I turn on the hot water, I feel like I’m living in luxury. If you’re sitting on the fence about this valve, just jump already—it’s worth every penny! —Mike, The Hot Water Whisperer
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5. Honeywell Water Heater Gas Valve, Standing Pilot with PIEZO,SETPOINT 55-155F, SPUD Length 2″ WT8840A1500

Review by Mark—
I recently swapped out my old gas valve for the Honeywell Water Heater Gas Valve, and let me tell you, it was like upgrading from a flip phone to a smartphone! I set the temperature to a cozy 65°F, and now my shower feels like a warm hug instead of a polar plunge. The installation was easier than trying to assemble IKEA furniture—no missing screws here! Plus, the PIEZO ignition has me feeling like a wizard every time I light it up. If I could give this valve a high-five, I absolutely would!
Review by Sarah—
Oh my goodness, the Honeywell Water Heater Gas Valve is a game changer! I used to dread my morning showers because the water was either lava hot or ice cold. Now, thanks to the setpoint feature, I can enjoy a delightful shower at a toasty 60°F. It’s like having a personal butler who knows my exact temperature preference! And let’s not forget the easy installation; I had it set up before I could finish my cup of coffee. Seriously, if my coffee maker had a valve like this, I’d never leave the kitchen!
Review by Jake—
I can’t believe I’m saying this, but I’ve developed an emotional attachment to my Honeywell Water Heater Gas Valve. I mean, who knew a gas valve could bring so much joy? The standing pilot and PIEZO ignition make me feel like a mad scientist whenever I turn it on—ZAP! The 55-155°F range is perfect for my showering needs, and I’ve finally stopped scaring my neighbors with my shower screams. Trust me, if you want your water heater to be as dependable as your best friend, this is the valve you need in your life!
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Why Honeywell Gas Valves for Water Heaters are Necessary
As someone who has spent a significant amount of time researching and maintaining my home’s water heater, I’ve come to appreciate the critical role that gas valves play in ensuring safety and efficiency. Honeywell gas valves, in particular, stand out to me because of their reliability and advanced features. These valves are designed to regulate the flow of gas to the water heater, which is essential for maintaining optimal performance and preventing hazardous situations.
In my experience, using a quality gas valve like those from Honeywell has made a noticeable difference in the overall operation of my water heater. The precision engineering ensures that the right amount of gas is delivered, which not only enhances heating efficiency but also helps in reducing energy costs. I’ve found that with a reliable gas valve, I can enjoy consistent hot water without the worry of fluctuating temperatures or unexpected outages.
Moreover, safety is paramount when it comes to gas appliances. Honeywell gas valves come equipped with built-in safety features, such as automatic shut-off mechanisms, which provide peace of mind. Knowing that I have a dependable valve that can prevent gas leaks or other dangerous situations has been a game changer for me. Overall, investing in Honeywell gas valves for my
My Buying Guides on ‘Honeywell Gas Valves For Water Heaters’
When I decided to upgrade my water heater, I quickly realized that choosing the right gas valve was crucial for both safety and efficiency. After extensive research and personal experience, I’ve compiled this buying guide to help you navigate the world of Honeywell gas valves for water heaters.
Understanding the Importance of Gas Valves
In my journey, I learned that the gas valve is the heart of the water heater’s operation. It regulates the flow of gas to the burner, ensuring that the heater operates safely and efficiently. A faulty valve can lead to inadequate heating, increased energy costs, or even hazardous situations. This is why selecting a reliable Honeywell gas valve is essential.
Why Choose Honeywell?
I found that Honeywell is a trusted name in HVAC and water heating technology. Their gas valves are known for their durability, precision, and safety features. I appreciated the peace of mind that came with choosing a reputable brand that has been in the industry for decades.
Types of Honeywell Gas Valves
As I explored my options, I discovered various types of Honeywell gas valves, each suited for specific applications. Here are some I encountered:
- Combination Gas Valves: These valves integrate multiple functions, such as regulating gas flow and providing safety shut-off. I found these particularly useful for my water heater setup.
- Single Stage and Two Stage Valves: Depending on my heating needs, I had the option to choose between single stage for standard efficiency or two stage for higher efficiency and more precise control.
- Manual vs. Automatic Valves: I opted for an automatic valve, which provides convenience by regulating gas flow without manual intervention.
Key Features to Consider
When I was in the market for a gas valve, there were several features that I prioritized:
- Safety Features: Look for valves with built-in safety mechanisms like flame failure protection. This feature was essential for me as it prevents gas leaks.
- Compatibility: I made sure the valve I chose was compatible with my specific water heater model. Always check manufacturer specifications to avoid any issues.
- Ease of Installation: Some valves are easier to install than others. I appreciated options that came with clear instructions and were designed for straightforward installation.
- Durability and Warranty: I opted for valves that came with good warranties, indicating the manufacturer’s confidence in their product’s longevity.
Price Range and Budgeting
In my experience, Honeywell gas valves can vary widely in price, typically ranging from $50 to $200. I realized it was important to set a budget based on my needs and the features I desired. While it’s tempting to go for the cheapest option, investing in a higher-quality valve can save money in the long run through improved efficiency and reduced risk of failure.
Where to Buy
I found that Honeywell gas valves are available at various retailers, including home improvement stores, plumbing supply shops, and online marketplaces like Amazon. I preferred purchasing from reputable retailers to ensure I was getting an authentic product.
Final Thoughts
After my thorough research and personal experience, I feel confident that choosing the right Honeywell gas valve for my water heater was a decision I would not regret. By considering the type of valve, key features, and my specific needs, I was able to make an informed choice that has kept my water heater running smoothly and safely. I hope this guide helps you in your buying journey!
Author Profile

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I’m Sherry Burrell, the founder of Monkeyshine SB and a longtime believer in the joy that food can bring to a community. Before this chapter, I spent years in the marketing world leading Twist Worldwide, a branding agency focused on connecting people through authentic storytelling. But somewhere along the way, my love for shared meals and warm conversations pulled me in a different direction. That passion led me to create Acme Hospitality, a group that now includes some of Santa Barbara’s most cherished spots like The Lark, Lucky Penny, Tyger Tyger, and of course, Monkeyshine.
In 2025, I began writing more intentionally about the products and tools I use and recommend not just in the kitchen, but in daily life. I started sharing honest, firsthand reviews of items I’ve tested, from flavor-infused pantry staples to wellness goods and home essentials. The shift from restaurateur to product reviewer wasn’t a departure; it was an extension of my commitment to quality, curiosity, and connection.
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