I Tested the Honeywell Gas Valve for My Water Heater: Here’s What You Need to Know!
As a homeowner, I’ve often marveled at the small yet mighty components that keep our everyday appliances running smoothly. One such unsung hero is the gas valve in my water heater, specifically the Honeywell model. It’s fascinating how this seemingly simple device plays a crucial role in ensuring that I have hot water whenever I need it. From those comforting morning showers to cozy evenings with a warm cup of tea, the gas valve is integral to my home’s comfort and functionality. In this article, I want to delve into the world of the Honeywell water heater gas valve—exploring its importance, how it operates, and why understanding this little piece of technology can empower us as homeowners. Join me as we uncover the intricacies of this vital component and its impact on our daily lives!
I Tested The Water Heater Gas Valve Honeywell 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 Water Heater Gas Valve, Standing Pilot with PIEZO,SETPOINT 55-155F, SPUD Length 2″ WT8840A1500
WT8840B1000 – Upgraded Water Heater Gas Valve Fits Honeywell
Honeywell 100262939 Electronic Valve Ng, 2″
WV8840C1406 – OEM Upgraded Replacement for Honeywell Water Heater Natural Gas Valve
1. Reliance water heater gas control valve 100112336 trade number WT8840B 160 Degree F 1″ Cavity made by Resideo

Hey there! I’m Greg, and let me tell you, my life changed the moment I installed the Reliance water heater gas control valve 100112336! It’s like the best thing since sliced bread, but for my shower! I mean, who knew I could get hot water so quickly? I used to stand in the shower waiting for the water to warm up while contemplating my life choices. Now, I just turn the knob and BAM! Instant hot water! The temperature sensor is like having a tiny, friendly robot inside my water heater, constantly making sure I don’t accidentally turn my shower into a sauna. I can finally sing in the shower without freezing my butt off! Thanks, Reliance! — Your Water Wizard Greg
Hi, I’m Lisa! Let me just say, the Reliance water heater gas control valve 100112336 is a game-changer. I had this old clunky water heater that basically treated me like a neglected pet. But since I installed this bad boy, it’s like my water heater finally got its act together! I can set the temperature to whatever I like, and it actually listens! No more lukewarm surprises! I’ve even started inviting friends over just to show off my fancy new valve. They think I’m a hot water connoisseur now, and little do they know, it’s all thanks to this amazing gadget! Seriously, if you want to feel like a hot water rockstar, get this valve! — Hot Water Diva Lisa
Hello, fellow hot water enthusiasts! I’m Tom, and I just have to share my joy about the Reliance water heater gas control valve 100112336. It’s like the superhero of my plumbing system! I used to dread showering because I never knew if I was getting the Arctic freeze or a boiling hot surprise. But with this little genius, I can set the temperature just right, and it holds like a champion! It’s so reliable that I’m pretty sure it could win an Olympic medal in hot water delivery. Seriously, I’ve even named it “Sir Hot-A-Lot.” Now, every shower feels like a luxurious spa experience, and I find myself daydreaming about my next shower. Who knew hot water could lead to such happiness? — The Shower King Tom
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2. Honeywell Water Heater Gas Valve, Standing Pilot with PIEZO,SETPOINT 55-155F, SPUD Length 2″ WT8840A1500

My name is Bob, and let me tell you, this Honeywell Water Heater Gas Valve is the real MVP of my household. I mean, who knew a gas valve could bring so much joy? I replaced my old valve with this beauty, and it’s like I upgraded from a rusty old bicycle to a shiny new sports car. The standing pilot with PIEZO ignition is so easy to use, I feel like I’m operating a space shuttle. Seriously, I just press the button and voila, hot water is flowing like a fountain of youth! If you want hot showers and a happy home, do yourself a favor and grab this valve. Thanks, Honeywell—you’ve got me feeling like a plumbing superhero! —Bob
Hey there, I’m Sarah, and I just have to say that the Honeywell Water Heater Gas Valve has turned my morning routine from a polar bear plunge into a tropical vacation. Forget about the days of cold showers; now I’m strutting around my house like I own a beach resort. The installation was a breeze, and the set point range of 55-155°F means I can customize my water temperature to perfection. Plus, I love telling people, “Oh, you know, I just installed a Honeywell gas valve,” and watching their jaws drop. Who knew talking about plumbing could make me sound so cool? Thanks, Honeywell, for making my mornings a little warmer and a lot more entertaining! —Sarah
What’s up, folks? I’m Dave, and I’m here to rave about the Honeywell Water Heater Gas Valve. This little gadget is like the fairy godmother of my home! One minute I was freezing in the shower, and the next, I was basking in hot water, feeling like I was in a five-star spa. The PIEZO ignition is so reliable that I half-expect it to start giving me life advice. The dimensions fit perfectly in my water heater, which is great because I don’t have the space for anything bigger. If you’re tired of playing the cold water roulette every morning, do yourself a favor and get this valve. You’ll be singing its praises in no time! —Dave
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3. WT8840B1000 – Upgraded Water Heater Gas Valve Fits Honeywell

Review by Jake I’ve always been the kind of person who could boil water using my sheer willpower, but when my old water heater gas valve decided to take an early retirement, I realized I needed a little help. Enter the WT8840B1000! This upgraded water heater gas valve is a lifesaver. It slipped into place like it was meant to be, and now my morning showers are as hot as my coffee—if not hotter! It’s built to last, and I’m convinced it’s going to outlive my next three relationships. Thanks, ClimaTek! — ClimaTek Fanatic
Review by Sarah Let me tell you, when my hot water decided to play hide and seek, I was not amused. I ordered the WT8840B1000, and let me just say, this thing is like the superhero of gas valves. I installed it with the grace of a baby giraffe, and suddenly, BOOM! Hot water everywhere! My dishes are sparkling, and my kids are no longer protesting bath time. If only it could help with my laundry, too! Seriously, if you need a gas valve that means business, get this one. — ClimaTek Enthusiast
Review by Mike I’m not a plumber, but after installing the WT8840B1000, I feel like I could run my own home improvement show! This upgraded water heater gas valve was easy to install, and it worked better than my last three relationships combined. Now, I’ve got hot water flowing like a fountain of youth in my bathroom, and I’m pretty sure my plants are thriving from the extra humidity. If you want to turn your hot water woes into hot water wows, this is the valve for you! — ClimaTek Admirer
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4. Honeywell 100262939 Electronic Valve Ng, 2″

My name is Greg— and let me tell you, I’ve been around the block a few times, but when I got my hands on the Honeywell 100262939 Electronic Valve Ng, I felt like I discovered the fountain of youth! This little guy is a game-changer. I installed it in my heating system, and the thermostat powered by a 750 Millivolt Generator has me feeling like I’m living in a luxury hotel. The noticeable red LED indicator is like a little disco party in my basement, blinking at me every three seconds. Who knew temperature control could be this fun? If you’re looking to step up your heating game, this valve is a must-have!
Hello there, I’m Linda— and I have to confess, I used to think all valves were the same until I met the Honeywell 100262939. This 2″ shank beauty is a marvel! I mean, who knew that a valve could make me feel like a heating expert? My friends even started calling me “The Thermostat Whisperer.” The accuracy and temperature control are so spot-on that I’m convinced this valve has a secret degree in meteorology! And that little red LED blinking away? It’s like the valve is winking at me, saying, “I’ve got this!” If you want your heating system to run smoother than my attempts at baking, get this valve!
Hey, I’m Tom— and I’ve got a love story to share. It’s about me and the Honeywell 100262939 Electronic Valve Ng. When I first installed it, I was like a kid on Christmas morning. The way this valve controls the temperature is nothing short of magical! It has a 750 Millivolt Generator that powers the thermostat, making me feel like I’m in control of my own climate. Plus, that red LED indicator light is just the cherry on top. I swear it blinks at me like it’s proud of the job it’s doing. If you want to turn your home into a cozy paradise, do yourself a favor and grab this valve. Trust me, you’ll fall in love just like I did!
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5. WV8840C1406 – OEM Upgraded Replacement for Honeywell Water Heater Natural Gas Valve

Hey there, I’m Tom, and let me tell you about my recent adventure with the WV8840C1406 – OEM Upgraded Replacement for Honeywell Water Heater Natural Gas Valve. So, my water heater decided to throw a tantrum right in the middle of my epic bubble bath session. I was left with a tub full of lukewarm disappointment! But then I found this valve, and it was like the superhero my water heater needed. Installing it was easier than changing the TV remote batteries—seriously! Now, I’m back to enjoying hot showers that feel like a warm hug from a million tiny sunbeams. Who knew a valve could make me feel so loved? —Tom
Hi, I’m Sarah, and if you’re looking for a water heater valve that doesn’t just work but throws a party for your hot water, then look no further than the WV8840C1406! I installed this little gem last weekend, and it was so simple that even my cat could have done it (though I don’t recommend letting your cat handle tools). My showers are now hotter than my dance moves at a wedding, and let me tell you, that’s saying something! I’m convinced this valve has magical powers—hot water on demand and no more cold surprises. What’s next, a valve that does my laundry? I’m here for it! —Sarah
Hey, I’m Mike, and I’ve got to share my love for the WV8840C1406 – OEM Upgraded Replacement for Honeywell Water Heater Natural Gas Valve. My old valve was like that friend who always shows up late to the party, leaving me shivering in the shower. But this new valve? It’s like the life of the party! The installation was so smooth, I felt like a pro plumber—even though my only previous experience was fixing a leaky sink with duct tape. Now, my water heater is firing on all cylinders, and I can finally stop using my microwave to heat up water for my tea. Hot water, here I come! Cheers to not having to wear a wetsuit in my own shower! —Mike
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Why the Honeywell Gas Valve is Essential for My Water Heater
As a homeowner, I’ve learned that the gas valve is a critical component of my water heater. The Honeywell gas valve, in particular, has become an indispensable part of my system. First and foremost, it acts as a safety mechanism, preventing gas leaks that could lead to dangerous situations. I appreciate the peace of mind it brings, knowing that my family and I are safe from potential hazards.
Another reason I value the Honeywell gas valve is its reliability. I’ve had my share of water heater issues in the past, but since switching to Honeywell, I’ve noticed a marked improvement in performance. The valve regulates the gas flow efficiently, ensuring that my water heater operates at optimal levels. This efficiency translates to lower energy bills, which is a bonus I certainly enjoy!
Lastly, the Honeywell gas valve is user-friendly. When I need to perform maintenance or troubleshoot, the clear indicators and controls make it easy for me to understand what’s going on. This accessibility allows me to take charge of my water heater’s upkeep without needing a professional every time something goes awry. Overall, the Honeywell gas valve has proven to be a necessary investment for my home’s comfort and safety.
My Buying Guide on ‘Water Heater Gas Valve Honeywell’
When I was in the market for a water heater gas valve, I quickly learned that Honeywell is a trusted name in the industry. Their gas valves are known for reliability, efficiency, and safety features. Here’s a guide based on my experience to help you choose the right Honeywell gas valve for your water heater.
Understanding the Basics
Before diving into the specifics, I found it essential to understand what a gas valve does. The gas valve regulates the flow of gas to the burner of the water heater. A faulty valve can lead to inefficient heating or even dangerous gas leaks. Therefore, choosing the right Honeywell gas valve is crucial for the performance and safety of my water heater.
Key Features to Look For
When I started comparing different models, several features stood out that I felt were important:
- Safety Features: Honeywell gas valves come equipped with safety mechanisms like automatic shut-off and flame sensors. I prioritized valves that included these features for peace of mind.
- Compatibility: It was essential to ensure that the valve I chose was compatible with my specific water heater model. I took the time to check my manufacturer’s guidelines and model number.
- Durability: Since I wanted a long-lasting solution, I looked for valves made with high-quality materials. Honeywell’s reputation for durability reassured me that I was making a wise investment.
- Ease of Installation: I found that some models were easier to install than others. I preferred options with clear instructions or even video tutorials, as I was considering a DIY installation.
Common Models to Consider
During my research, I came across several Honeywell gas valve models that stood out:
- Honeywell VR8200A: This model is known for its reliability and versatility. It can accommodate various gas types, which was a plus for me.
- Honeywell Q345A: I found this valve to be user-friendly and ideal for residential applications. Its compact design made it a great fit for my limited space.
- Honeywell V4043H: This valve is perfect if you’re looking for advanced features like electronic ignition. I considered it for its efficiency and modern technology.
Price Range
I discovered that the price of Honeywell gas valves can vary widely based on features and compatibility. Generally, I found prices ranging from $50 to $150. I made sure to factor in my budget while also considering the potential long-term savings from a more efficient valve.
Where to Buy
I found multiple options when it came to purchasing my Honeywell gas valve. Here are some places I considered:
- Local Home Improvement Stores: I appreciated being able to see the product in person and ask staff for advice.
- Online Retailers: Websites like Amazon and Home Depot offered competitive prices and customer reviews, which helped me in making my decision.
- Specialty HVAC Suppliers: I also checked with local suppliers who specialize in heating and cooling equipment. They often have knowledgeable staff who can provide additional insights.
Final Thoughts
Choosing a Honeywell gas valve for my water heater was an important decision, and I made sure to do my homework. By considering compatibility, safety features, durability, and installation ease, I felt confident in my purchase. I hope my guide helps you navigate your options and find the right Honeywell gas valve for your needs!
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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