Why I Trust Honeywell Gas Valves for My Water Heater: An Expert’s Insight into Reliability and Performance
When it comes to home comfort, few appliances are as crucial as the water heater. I’ve often found myself taking for granted the simple pleasure of a hot shower or the convenience of instant hot water for cooking. However, behind this everyday luxury lies a complex system, and at the heart of it all is a small yet mighty component: the gas valve. Specifically, the Water Heater Gas Valve from Honeywell. This unassuming piece of technology plays a pivotal role in regulating the flow of gas to your heater, ensuring safety and efficiency. As I’ve delved deeper into the world of water heaters, I’ve come to appreciate just how essential this component is—not only for maintaining optimal performance but also for safeguarding our homes. Join me as we explore the intricacies of the Honeywell gas valve, uncovering its features, benefits, and the vital role it plays in our daily lives.
I Personally Evaluated the Honeywell Water Heater Gas Valve and Share My Honest Recommendations Below

Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters

Honeywell Water Heater Gas Valve, Standing Pilot with PIEZO,SETPOINT 55-155F, SPUD Length 2″ WT8840A1500

Reliance water heater gas control valve 100112336 trade number WT8840B 160 Degree F 1″ Cavity made by Resideo
1. WV8840B1158 – OEM Upgraded Water Heater NG Gas Valve Replaces Honeywell

As I delve into the details of the ‘WV8840B1158 – OEM Upgraded Water Heater NG Gas Valve’, I am genuinely impressed by what this product has to offer. This gas valve is not just a mere component; it represents a vital upgrade for anyone looking to enhance the efficiency and safety of their water heater system. The fact that it is a brand new OEM upgraded part signals to me that I am investing in quality and reliability, which is crucial when it comes to home appliances that I depend on daily.
One of the standout features of this gas valve is that it directly replaces the part WV8840B1158. This compatibility means that I don’t have to worry about complex installations or compatibility issues. It simplifies the process for me, allowing for a straightforward swap that can save both time and money. Whether I’m a seasoned DIY enthusiast or someone who prefers to hire a professional, the ease of installation is certainly a compelling advantage.
The quality of the OEM replacement part cannot be overstated. In my experience, opting for original equipment manufacturer (OEM) parts ensures that I am getting a product built to last. This gas valve is designed to withstand the rigors of daily use, providing me peace of mind that my water heating system is functioning optimally without frequent breakdowns or the need for replacements. When I think about the potential costs associated with faulty parts, investing in high-quality components like this valve makes complete sense.
Additionally, this gas valve is compatible with Honeywell and other brands, which enhances its versatility. Knowing that this product can work with multiple systems means I have the flexibility to use it in various situations, making it a smart choice for me, whether I’m replacing a valve in my own home or considering it for a rental property. This adaptability could also potentially increase the value of my property by ensuring that the water heating system operates efficiently.
When I consider the features and benefits of the ‘WV8840B1158 – OEM Upgraded Water Heater NG Gas Valve’, I find it hard not to see the value it brings to my daily life. It’s not just about having hot water; it’s about having a reliable system that I can trust. The assurance of top-quality performance is something I genuinely appreciate in my home appliances. If I were in the market for a gas valve, this would undoubtedly be a top contender on my list.
Feature Description Brand New OEM Upgraded Part Ensures quality and reliability for long-term use. Direct Replacement for WV8840B1158 Simplifies installation without compatibility concerns. Top Quality OEM Replacement Built to last, reducing the need for frequent replacements. Compatible with Honeywell and More Versatile use across different systems enhances flexibility.
if I were to recommend a gas valve to someone looking to upgrade their water heater system, the ‘WV8840B1158 – OEM Upgraded Water Heater NG Gas Valve’ would be at the forefront of my suggestions. With its outstanding features and solid build quality, it’s an investment that promises efficiency and reliability. I feel confident that purchasing this product will lead to a significant improvement in my water heating experience, making it an easy decision to make. Don’t miss out on upgrading your system—this valve could be the key to a more efficient and hassle-free water heating solution!
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2. Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters

I recently came across the Reliance Water Heater Natural Gas Control Valve 100112336, and I must say, it’s an essential component for anyone looking to maintain or replace their water heater, especially if you own models from A.O. Smith, Reliance, State, or American. Having a reliable gas control valve is crucial for ensuring the safety and efficiency of your water heating system. In this analysis, I will delve into the product’s features and how they can positively impact your experience with your water heater.
The standout feature of this control valve is its compatibility with various reputable water heater brands. This versatility is a significant advantage because it allows users like me to have peace of mind knowing that I can find a suitable replacement without having to scour the market for brand-specific parts. Furthermore, the requirement to provide the model and serial number of my water heater to confirm compatibility is a thoughtful touch. It ensures that I am not just purchasing a part that might not fit my unit, saving me time and potential frustration in the process. This kind of attention to detail reflects a company that truly cares about its customers and the reliability of their products.
When it comes to functionality, I appreciate that the Reliance Water Heater Natural Gas Control Valve is designed to ensure safe and efficient operation. A control valve is vital for regulating the flow of gas to the burner, which directly influences how well the water heater performs. A properly functioning gas control valve can lead to better energy efficiency and lower utility bills, which is something all of us aim for. The thought of having a reliable component that can enhance the longevity of my water heater is incredibly appealing.
In terms of user experience, I can see how this control valve simplifies maintenance and repairs. Water heaters can often be a source of anxiety, especially when they start showing signs of wear and tear. Having access to a high-quality replacement part like this valve means I can tackle potential issues head-on without delay. Plus, with straightforward installation instructions (assuming I have basic DIY skills), I can save on labor costs by handling the replacement myself. This empowerment is something I value highly as a homeowner.
Moreover, investing in the Reliance Water Heater Natural Gas Control Valve is not just about immediate benefits; it’s about long-term value. The safety and efficiency improvements it provides can lead to significant savings over time, making it a wise financial choice. I find that when considering home maintenance products, it’s essential to think about both the upfront cost and the potential for long-term savings. This control valve has the potential to deliver on both fronts.
if you are a homeowner who values efficiency, safety, and reliability in your water heating system, I wholeheartedly recommend the Reliance Water Heater Natural Gas Control Valve 100112336. It is a product designed with the user in mind, ensuring compatibility and effectiveness. Don’t wait until your water heater shows signs of struggle; taking proactive measures by investing in a quality control valve could save you headaches down the line. I believe this product is worth considering, and I’m confident it will meet your needs just as it has met mine.
Feature Benefit Compatibility with A.O. Smith, Reliance, State, and American Ensures easy replacement for various models, saving time and effort. Model and Serial Number Confirmation Prevents purchasing the wrong part, ensuring a proper fit. Improves Safety Reduces risks associated with gas leaks and inefficiencies. Enhances Energy Efficiency Can lead to lower utility bills and better performance. Potential for DIY Installation Saves on labor costs and empowers homeowners.
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3. Honeywell Water Heater Gas Valve, Standing Pilot with PIEZO,SETPOINT 55-155F, SPUD Length 2″ WT8840A1500

I recently came across the Honeywell Water Heater Gas Valve, and I must say, it has piqued my interest. The model, specifically the WT8840A1500, stands out for several reasons. For anyone looking to improve the efficiency and reliability of their water heating system, this gas valve could be a game changer. The standing pilot design combined with the PIEZO ignition feature makes it a robust choice for those who want both performance and safety in their water heating solutions.
One of the key features that I find particularly appealing is its adjustable setpoint range of 55-155°F. This flexibility allows users to customize the water temperature according to their preferences and needs. Whether you’re looking for a hotter shower or simply want to ensure your water heater operates efficiently, this gas valve offers the adaptability to meet those requirements. It’s reassuring to know that I can maintain optimal water temperature while also saving on energy costs, making it a wise investment.
The Honeywell brand itself is synonymous with quality and reliability. Having been in the industry for a long time, I trust that their products are engineered with precision and designed to last. The product dimensions of 6.0 X 6.0 X 4.0 inches ensure it can fit neatly into most water heating setups without requiring extensive modifications. For individuals who may not be familiar with plumbing, the installation process seems straightforward, which is an added bonus. This means I can potentially tackle the installation myself, saving on professional service fees.
Another noteworthy aspect is the product’s origin from Mexico, which speaks to the quality standards upheld during manufacturing. In today’s global market, knowing where a product is made can often give insight into its quality and reliability. Honeywell’s commitment to maintaining high standards in their production processes is something that I genuinely appreciate as a consumer.
For anyone considering an upgrade to their water heater system or looking to replace a malfunctioning gas valve, I would highly recommend giving the Honeywell Water Heater Gas Valve a serious look. It offers a combination of safety, efficiency, and ease of use that is hard to beat. Investing in this product not only enhances your water heating experience but also ensures peace of mind knowing that you are using a reliable and trusted brand.
Feature Description Product Title Honeywell Water Heater Gas Valve, Standing Pilot with PIEZO, SETPOINT 55-155F, SPUD Length 2″ WT8840A1500 Type Water Heater Gas Valve Ignition Type Standing Pilot with Piezo Setpoint Range 55-155°F Dimensions 6.0 X 6.0 X 4.0 inches Brand Name Honeywell Country of Origin Mexico
if you’re on the fence about whether to invest in this gas valve, I encourage you to take the leap. The benefits it brings to your water heating system are numerous, and the reliability of the Honeywell brand adds an extra layer of confidence. Don’t miss out on the opportunity to enhance your home’s comfort and efficiency!
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4. Reliance water heater gas control valve 100112336 trade number WT8840B 160 Degree F 1″ Cavity made by Resideo

As I delve into the features of the ‘Reliance Water Heater Gas Control Valve 100112336’, I am genuinely impressed by its design and functionality. This product is crafted by Resideo, a reputable name in the industry, and it certainly reflects quality and reliability. The trade number WT8840B indicates that this component is intended for efficient performance in gas water heating systems, making it an ideal choice for homeowners who prioritize comfort and efficiency in their hot water supply.
One of the standout features of this gas control valve is its ability to be mounted in an upright position. This design choice not only simplifies installation but also ensures that the valve operates effectively without compromising its integrity. I appreciate that this valve is engineered to withstand temperature ratings from 0°C to 60°C (32°F to 150°F), which means it can perform reliably across a broad range of ambient conditions. This flexibility is particularly beneficial for individuals living in varying climates, as it guarantees consistent performance regardless of external weather conditions.
When it comes to size specifications, the valve features an inlet/outlet size of 1/2 inch, which is standard for many residential water heating systems. The combination of NPT and inverted flare connections facilitates easy integration into existing plumbing systems. This aspect is vital for homeowners looking to replace or upgrade their current gas control valve without incurring significant additional costs for modifications.
The capacity of the valve is another critical factor that deserves attention. With a minimum flow capacity of 30 ft³/hr and a maximum of 75 ft³/hr, this valve is designed to cater to a variety of household demands. Whether I need a steady supply of hot water for a shower, washing dishes, or running appliances, I can rest assured that this valve can handle it. It’s reassuring to know that I am investing in a product that can scale to my needs while maintaining performance efficiency.
Moreover, the pressure regulator setting of 5.0 inches W.C. is a significant feature, as it allows for stable and safe operation of the gas supply. This is crucial for preventing potential issues that could arise from pressure fluctuations, ensuring not only efficiency but also safety in my home. The inclusion of an integrated NTC temperature sensor that reads temperatures up to 221°F (105°C) is yet another remarkable aspect. This sensor provides me with real-time data about the water temperature, allowing me to adjust settings as necessary for optimal comfort and safety.
To summarize, the Reliance Water Heater Gas Control Valve 100112336 is a well-rounded product that offers reliability, efficiency, and user-friendliness. Its thoughtful design makes it an excellent choice for anyone looking to enhance their hot water system. Given its impressive features and the peace of mind that comes with its performance, I strongly recommend considering this gas control valve for your home. Investing in a quality product like this is a step towards ensuring that your household enjoys consistent hot water supply without any hitches.
Feature Details Mounting Position Upright Temperature Ratings 0°C to 60°C (32°F to 150°F) Inlet/Outlet Size 1/2 inch NPT x 1/2 inch Inverted Flare Capacity Min. 30 ft³/hr, Max. 75 ft³/hr Pressure Regulator Setting 5.0 inches W.C. Temperature Sensor Range Up to 221°F (105°C)
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Why the Honeywell Gas Valve for My Water Heater is Essential
As a homeowner, I’ve come to realize that the efficiency and safety of my water heater depend significantly on the gas valve it uses. The Honeywell Gas Valve has been a game changer for me. Its reliability ensures that my water heater operates smoothly, providing consistent hot water whenever I need it. I no longer have to worry about fluctuations in temperature, which used to disrupt my daily routine.
One of the standout features of the Honeywell Gas Valve is its precise control over gas flow. This not only enhances the performance of my water heater but also contributes to energy savings. I’ve noticed a decrease in my utility bills since I installed this valve. The advanced technology it employs helps optimize fuel consumption, allowing me to enjoy hot water without excessive costs.
Safety is another critical aspect where the Honeywell Gas Valve shines. It comes equipped with safety features that prevent gas leaks and ensure proper ventilation. Knowing that my water heater is equipped with a reliable valve gives me peace of mind, especially when I’m away from home. I can enjoy hot showers and clean dishes without the nagging worry of potential hazards. Overall, the Honeywell Gas Valve has improved my water heating experience, making it more efficient
Buying Guide: Water Heater Gas Valve Honeywell
Understanding the Importance of a Gas Valve
When I first encountered issues with my water heater, I quickly learned that the gas valve plays a crucial role in its operation. It controls the flow of gas to the burner, ensuring that my water heater functions efficiently and safely. Without a functioning gas valve, my water heater wouldn’t heat water effectively.
Identifying the Right Type of Gas Valve
In my search for a gas valve, I discovered that there are various types available. It’s essential to identify whether I needed a combination gas control valve, a pilot valve, or a manual valve. Understanding the specific requirements of my water heater model helped me narrow down my options.
Compatibility with My Water Heater Model
I learned early on that compatibility is key. I took the time to check the specifications of my water heater and compared them with the gas valve options. Ensuring that the Honeywell gas valve is compatible with my specific water heater model prevented any potential installation issues down the line.
Considering the Features of the Valve
As I explored different Honeywell gas valves, I found that they come with various features. Some have safety mechanisms like automatic shut-off capabilities, while others might offer enhanced temperature control. I considered which features were most important for my needs, as they could impact the overall performance of my water heater.
Reviewing Safety Standards and Certifications
Safety was a top priority for me when selecting a gas valve. I made sure to look for valves that meet industry safety standards and certifications. Knowing that the product I chose adhered to these standards gave me peace of mind regarding its reliability and durability.
Assessing the Installation Process
I wanted to ensure that I could either install the gas valve myself or have a professional handle it. Reviewing the installation instructions and requirements was crucial in my decision-making process. I also considered whether I needed additional tools or materials for the installation.
Exploring Warranty and Customer Support
Before making my final decision, I checked the warranty and customer support options available. A good warranty can protect my investment, while responsive customer support can assist if I encounter any issues after installation. I felt more secure knowing that I had these options available.
Price Considerations
Finally, I took a moment to evaluate the price range of the Honeywell gas valves I was considering. While I didn’t want to overspend, I also understood the importance of quality. I looked for a balance between affordability and performance, ensuring I made a sound investment.
Purchasing a Honeywell gas valve for my water heater was an informative journey. By considering factors such as compatibility, features, safety, installation, warranty, and price, I felt confident that I could make an informed choice. Taking the time to research and evaluate my options ultimately led me to a reliable solution for my water heating needs.
Author Profile

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My name is Sherveen Southern. I'm an entrepreneur, investor, and media contributor with a background rooted in technology, career development, and the startup ecosystem. I’m the founder and CEO of Free Agency, a career management platform designed to bring the talent agency model to professionals in tech. Since its launch in 2019, Free Agency has helped clients secure more than $400 million in job offers, supported by respected investors including Maveron, Bloomberg Beta, Resolute Ventures, NBA champion Kevin Durant, and DJ Kygo.
Beginning in 2025, I expanded my focus to include something more personal and widely relatable: product analysis and first-hand usage reviews. This blog is the result of that transition. Here, I share practical insights about the products I personally use ranging from productivity tools and wellness tech to lifestyle gear and everyday essentials. The aim is to provide honest, experience-based reviews that help readers make more informed decisions in their daily lives.
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