Why I Trust Honeywell Gas Valves for My Water Heater: A Personal Expert Review
As a homeowner, I’ve often found myself grappling with the intricacies of my home’s heating systems, particularly when it comes to ensuring a reliable and efficient hot water supply. One component that has consistently piqued my interest is the water heater gas valve, specifically the Honeywell models that have gained a reputation for their reliability and innovation. These valves play a crucial role in the operation of gas water heaters, regulating the flow of gas and ensuring safe, efficient heating. Understanding how these valves work and their importance not only enhances our ability to maintain our water heaters but also empowers us to make informed decisions when it comes to repairs or upgrades. Join me as we delve into the world of Honeywell gas valves, exploring their features, benefits, and the pivotal role they play in our daily lives.
I Personally Reviewed The Honeywell Water Heater Gas Valve And Shared 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

Reliance water heater gas control valve 100112336 trade number WT8840B 160 Degree F 1″ Cavity made by Resideo
1. Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith Reliance, State, and American Branded Water Heaters

As I dive into the world of water heaters, one product that stands out is the ‘Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat’. This component is particularly intriguing because it is compatible with several reputable brands, including A.O. Smith, Reliance, State, and American. For anyone who has experienced the inconvenience of a malfunctioning water heater, I know how crucial it is to have reliable replacement parts that ensure your unit operates efficiently. This control valve is designed to enhance the performance of your water heater and provide you with the hot water you need without any hassle.
One of the most appealing aspects of this product is its compatibility with multiple brands. This feature not only makes it versatile but also saves me the trouble of searching for specific parts for different water heater brands. Whether I own a Reliance or an A.O. Smith, I can rest assured that this control valve will fit my unit seamlessly. It’s a comforting thought knowing that this product is designed to work across various models, making it easier for homeowners like me to find a reliable solution without the guesswork.
Moreover, the instruction to provide the model and serial number of my water heater before purchasing is a thoughtful touch. It shows that the manufacturer is committed to ensuring that I get the right fit for my specific water heater model. This level of attention to detail is reassuring, as it minimizes the risk of purchasing the wrong part and facing further frustrations down the line. In my experience, having a reliable source for parts that are tailored to my specific needs is invaluable.
In terms of functionality, the natural gas control valve plays a critical role in regulating the flow of gas to the burner in my water heater. This means that by replacing an old or faulty valve with the Reliance 100112336, I can significantly improve the efficiency of my water heater. Not only does this mean more consistent hot water availability, but it can also lead to potential energy savings over time. This is particularly important as energy costs continue to rise. I can’t help but feel that investing in this control valve is a step towards more efficient home management.
To summarize my thoughts, here’s a table that captures the key features and benefits of the Reliance Water Heater Natural Gas Control Valve
Feature Benefit Compatibility with multiple brands Simplifies the replacement process, ensuring a proper fit for various models Model and serial number verification Reduces the risk of purchasing the wrong part, ensuring peace of mind Natural gas flow regulation Improves the efficiency and performance of the water heater, potentially lowering energy costs
In conclusion, if you find yourself in need of a replacement gas control valve for your water heater, I strongly recommend considering the Reliance Water Heater Natural Gas Control Valve 100112336. Its compatibility with leading brands, combined with a commitment to customer satisfaction, makes it a sound investment for any homeowner. The peace of mind that comes from knowing I have the right part for my water heater is invaluable, and I believe this product will serve me well for years to come. Don’t hesitate to make this purchase; it’s a decision that can positively impact your home’s hot water supply and overall energy efficiency!
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2. Reliance water heater gas control valve 100112336 trade number WT8840B 160 Degree F 1 Cavity made by Resideo

As someone who values efficiency and reliability in home appliances, I find the Reliance water heater gas control valve (trade number WT8840B) to be an impressive addition to any heating system. This product is designed with a multitude of features that cater to both functionality and user comfort, making it a wise investment for anyone looking to enhance their water heating experience. With a maximum temperature rating of 160°F and a well-constructed design by Resideo, it is aimed at delivering consistent performance over time.
One of the standout features of this gas control valve is its capability to operate efficiently in a variety of environmental conditions. With an ambient temperature range from 0°C to 60°C, it is adaptable for use in different climates, ensuring that you can rely on it regardless of where you live. The upright mounting position is also a practical design choice, allowing for easier installation and maintenance. This means I can set it up without worrying too much about the complexities of positioning, making it user-friendly for both seasoned professionals and DIY enthusiasts alike.
When looking into the inlet and outlet sizes, I appreciate the 1/2 inch NPT x 1/2 inch inverted flare configuration. This standard sizing ensures compatibility with most existing setups, which can save a considerable amount of time and effort during installation. The valve’s capacity, ranging from a minimum of 30 ft³/hr to a maximum of 75 ft³/hr, indicates that it can handle a variety of demands, whether I’m heating water for a household or for a larger application. This flexibility is a significant advantage, as it means I won’t need to worry about the valve being overworked or underperforming.
Another critical feature that stands out is the integrated NTC temperature sensor. This sensor allows me to monitor the water temperature within the appliance, with a maximum reading of up to 221°F (105°C). The ability to gauge water temperature accurately is crucial for ensuring safety and efficiency in water heating. It provides me with peace of mind, knowing that I can quickly identify any potential issues before they become problematic. This feature alone enhances the overall user experience and makes the Reliance gas control valve an excellent choice for those prioritizing safety and ease of use.
In terms of pressure regulation, the valve’s setting of 5.0 inches W.C. is both adequate and efficient. This allows for consistent gas flow, which is vital for maintaining stable water temperatures. As someone who frequently uses hot water for various tasks, knowing that the gas control valve operates within optimal pressure settings is reassuring. It guarantees that I won’t face unexpected fluctuations in temperature when I need hot water the most.
In conclusion, the Reliance water heater gas control valve WT8840B is a thoughtfully designed product that meets a wide range of needs for users like me. Its robust construction, comprehensive features, and adaptability make it a compelling choice for anyone looking to upgrade their water heating system. I wholeheartedly recommend considering this valve if you’re in the market for a reliable and efficient solution. With its ease of installation, precise temperature monitoring, and effective pressure regulation, it truly stands out as a top contender in the category. Investing in the Reliance gas control valve could very well enhance your daily life by ensuring you have access to hot water whenever you need it.
Feature Details Mounting Position Upright Temperature Ratings Ambient 0°C to 60°C 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 in. W.C. Temperature Range 32°F to 150°F Integrated Temperature Sensor Reads up to 221°F (105°C)
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3. 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 can’t help but appreciate the thoughtful engineering behind this product. This upgraded gas valve is designed to enhance the performance of your water heater, ensuring a steady and reliable supply of hot water when you need it most. For anyone who relies on hot water for daily activities, from showering to washing dishes, this product is a game-changer.
One of the standout features of this gas valve is its OEM (Original Equipment Manufacturer) designation. This means that it meets the same high standards as the original part from Honeywell. With this new valve, you can expect optimal performance and compatibility. It’s specifically designed to replace the part number WV8840B1158, so you won’t have to worry about whether it will fit or function correctly in your existing setup. This direct replacement feature makes installation straightforward, even for those who may not be particularly handy.
Quality is another crucial factor that I find reassuring about this product. The ‘Top Quality OEM Replacement Part, Built to Last!’ description is not just marketing fluff; it reflects a commitment to durability. In the world of home appliances, investing in a reliable component is essential. A faulty gas valve can lead to inefficiencies, increased energy costs, or even safety hazards. With this upgraded valve, I feel confident that I am making a wise investment that will serve my household well for years to come.
Moreover, this gas valve is versatile enough to work with Honeywell products and other brands as well. This flexibility opens up options for those who might have mixed systems or are considering upgrades in the future. Whether you’re replacing an old valve or installing a new water heater, the WV8840B1158 ensures compatibility across a range of devices. This feature alone could save time and money in the long run, which is a significant advantage for any homeowner.
In conclusion, if you’re in the market for a water heater gas valve, I strongly recommend considering the WV8840B1158. The combination of OEM quality, ease of installation, and durability makes it a smart choice. Not only will it provide peace of mind, knowing that your hot water system is operating safely and efficiently, but it can also lead to long-term savings on energy costs. Trust me; investing in a quality part like this can make all the difference in your home’s comfort and convenience.
Feature Description OEM Upgraded Brand new part designed to enhance performance and reliability. Direct Replacement Replaces part # WV8840B1158 easily without compatibility issues. Top Quality Durable construction ensures longevity and reliability. Versatile Compatibility Works with Honeywell and other brands for greater flexibility.
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4. Honeywell 100262939 Electronic Valve Ng 2

When I first came across the Honeywell 100262939 Electronic Valve Ng, 2″, I was immediately intrigued by its impressive specifications and potential applications. As someone who values efficiency and reliability in home heating systems, I found myself drawn to the features that this valve offers. Honeywell has a longstanding reputation for quality, and this product is no exception. It’s designed to provide precise control over natural gas flow, making it an essential component for anyone looking to optimize their heating system.
The Reliance 400 Series, with its robust 2″ shank, showcases Honeywell’s commitment to delivering high-performance products. This electronic natural gas control valve is thermostat-powered by a 750 Millivolt Generator, ensuring that it operates efficiently without requiring external power. This feature is particularly beneficial for individuals who live in areas prone to power outages, as it guarantees continued functionality during critical times. The peace of mind that comes with knowing your heating system will keep running is invaluable.
Another standout feature of the Honeywell 100262939 is the noticeable red LED indicator light that blinks at 3-second intervals during normal operation. This simple yet effective design allows users to easily monitor the valve’s status at a glance. I appreciate products that offer clear indicators of functionality, as it eliminates any guesswork and enhances the user experience. This LED feature is particularly helpful for those who may not be technically inclined, as it provides a straightforward way to ensure everything is working as it should.
One of the most significant advantages of this electronic valve is its increased temperature control and accuracy. For anyone who has dealt with inconsistent heating in their home, this feature is a game-changer. It allows for precise adjustments to be made, ensuring that every room in the house maintains a comfortable temperature. This capability is not only about comfort; it can also lead to energy savings over time. By maintaining the desired temperature more effectively, users can reduce their energy consumption and lower their utility bills, which is a win-win situation.
In conclusion, I believe the Honeywell 100262939 Electronic Valve Ng, 2″ is a fantastic investment for anyone looking to enhance their natural gas heating system. Its combination of reliability, efficiency, and user-friendly features makes it a standout product in the market. If you’re in the process of upgrading your heating system or simply want to improve the functionality of your existing setup, I wholeheartedly recommend considering this valve. It’s a decision that could lead to significant improvements in your home’s heating efficiency and overall comfort.
Feature Description Product Series Reliance 400 Series Shank Size 2″ Power Source 750 Millivolt Generator LED Indicator Blinks 1 time at 3-second intervals Temperature Control Increased accuracy and control
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How the Honeywell Gas Valve Transformed My Water Heating Experience
As someone who relies on hot water for everything from morning showers to washing dishes, I can’t underestimate the importance of a reliable water heater. My experience with the Honeywell gas valve has truly transformed how I perceive water heating in my home. First and foremost, the precision and efficiency of the Honeywell valve have made my water heating process much more reliable. It ensures that my water reaches the desired temperature quickly, which is essential during those early mornings when I need to get ready in a hurry.
One of the standout features for me is the safety aspect. The Honeywell gas valve comes equipped with advanced safety mechanisms that give me peace of mind. Knowing that it has built-in features to prevent gas leaks and overheating allows me to feel secure using my water heater daily. This is especially important for families like mine, where safety is a top priority.
Moreover, the ease of installation and compatibility with various water heater models made my upgrade a breeze. I didn’t have to worry about complicated setups or extensive modifications; it simply fit right in. Since installing the Honeywell gas valve, I’ve noticed a decrease in my energy bills as well. Its efficiency not only provides hot water when I need it but also
Buying Guide for Water Heater Gas Valve Honeywell
Understanding the Importance of a Gas Valve
When I first started dealing with water heaters, I quickly realized how crucial a gas valve is to the overall functioning of the unit. The gas valve controls the flow of gas to the burner, ensuring that my water heater operates safely and efficiently. A reliable gas valve can prevent gas leaks, which is something I always keep in mind when I consider purchasing one.
Identifying the Right Type of Gas Valve
In my experience, knowing the type of gas valve I need is essential before making a purchase. Honeywell offers a range of gas valves designed for different applications, such as natural gas and propane. I always check the specifications of my water heater to ensure compatibility, as using the wrong type can lead to performance issues.
Evaluating the Features
When I look for a gas valve, I pay attention to the features it offers. Honeywell gas valves often come with safety features such as automatic shut-off, which provides peace of mind. I also consider whether the valve has a built-in regulator, as this can simplify installation and ensure consistent gas pressure.
Considering the Size and Fit
Size matters when it comes to gas valves. I always make sure to measure the existing valve or check the manufacturer’s guidelines for the correct size. A valve that doesn’t fit properly can lead to leaks or improper functioning, which is something I want to avoid at all costs.
Installation Requirements
Before I purchase a gas valve, I think about the installation process. Some valves are straightforward to install, while others may require professional help. I assess my own DIY skills and decide whether I feel comfortable handling the installation myself or if I should call a technician.
Checking for Certifications and Standards
Safety is my top priority, so I always check for certifications and compliance with industry standards. Honeywell products typically meet strict safety regulations, and I make sure to look for relevant certifications before making my decision. This ensures that I am purchasing a product that has been tested and deemed safe for use.
Budget Considerations
I’ve learned that setting a budget is essential when buying a gas valve. Prices can vary significantly based on features and specifications, so I determine my budget beforehand. I always balance cost with quality, ensuring I invest in a reliable product without overspending.
Reading Customer Reviews
Before finalizing my decision, I find it helpful to read customer reviews. Hearing about others’ experiences with a specific gas valve can provide insight into its performance and reliability. I look for feedback on installation ease, durability, and overall satisfaction to guide my choice.
Final Thoughts
When it comes to buying a Water Heater Gas Valve from Honeywell, I take my time to consider all aspects. Understanding the importance of the valve, identifying the right type, evaluating features, and ensuring safety are all steps I prioritize. By carefully following this guide, I can make an informed decision that will keep my water heater running smoothly and safely.
Author Profile

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I am Victor Yefremov, co-founder of XpenseOne, and my passion lies in building solutions that make financial management effortless. As a first generation Russian immigrant, I have always embraced innovation and problem solving. And these principles have guided my career in fintech.
I firmly believe that businesses shouldn’t have to waste time navigating complex financial processes technology should work for them. At XpenseOne, we are committed to delivering smart. Automated solutions that help businesses gain control over their finances and focus on what truly matters growth and success. If you are looking for a better way to manage expenses, we are here to help. Let’s build the future of financial efficiency together.
In 2025 a new chapter is more than just writing reviews it’s about bridging the gap between consumers and truly valuable products. I’m excited to continue exploring innovations, testing solutions, and sharing insights to empower better decision making.
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