Why I Switched to a Reliance Water Heater Thermostat: My Expert Experience and Insights
When it comes to ensuring a consistent and comfortable temperature in my home, the Reliance Water Heater Thermostat has become an essential component of my daily life. I’ve often found myself pondering the role that this seemingly simple device plays in the overall efficiency and functionality of my water heater. From the moment I first adjusted the dial, I realized that a thermostat is not just a tool; it’s the brain behind my hot water supply. In this article, I’ll delve into the fascinating world of water heater thermostats, focusing on the Reliance model, which has garnered a reputation for reliability and performance. Join me as I explore how this vital device not only influences the comfort of our showers but also impacts energy consumption and safety within our homes. Whether you’re a seasoned homeowner or just embarking on your journey of home maintenance, understanding the intricacies of the Reliance Water Heater Thermostat can empower you to make informed choices about your hot water needs.
I Personally Tried Out The Reliance Water Heater Thermostat and I’m Sharing My Honest Recommendations Below

Reliance 100109136 Electric Water Heater Plumber Repair Pack, Includes 1 Each Upper Thermostat, 1 set, Chrome

Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters
1. Reliance 9001954-045 Upper Electric Thermostat with ECO, Pack of 1, Black

As someone who values efficiency and comfort in my home, I find the Reliance 9001954-045 Upper Electric Thermostat to be an exceptional product that truly stands out in the market. This thermostat is specifically designed for use with electric water heaters, making it a critical component for anyone looking to optimize their hot water system. The importance of a reliable thermostat cannot be overstated, as it directly affects not only the performance of your water heater but also your overall energy consumption and utility bills.
The technical specifications of the Reliance 9001954-045 are impressive. It operates at 240V and is a double pole (DP) thermostat, which means it can handle a significant amount of power while ensuring a stable and safe operation. This feature is particularly beneficial for households that depend heavily on their electric water heaters for daily activities like bathing, cooking, and cleaning. By providing precise temperature control, this thermostat helps in maintaining the desired water temperature, ensuring that you have hot water available whenever you need it.
One of the most notable aspects of the Reliance 9001954-045 is its ECO feature. This not only adds great value to the product but also aligns with the growing trend of energy conservation and sustainability. By using this thermostat, I can be assured that my water heater operates in a more energy-efficient manner, reducing my carbon footprint and saving on energy costs. This is not just a financial benefit but also a step towards a more environmentally responsible lifestyle, which resonates with me and many others who are conscious about their impact on the planet.
The manufacturing quality of this thermostat, made in China, meets international standards that ensure durability and reliability. I appreciate that it is designed for the upper position, allowing for easy installation and optimal functionality in my water heater system. This thoughtful design consideration makes it a user-friendly option for those who may not be very familiar with home improvement projects. The ease of installation means I can focus on enjoying the benefits of hot water rather than stressing over complicated setup processes.
After analyzing the features and benefits of the Reliance 9001954-045 Upper Electric Thermostat, I genuinely believe it can make a significant difference in how we manage our hot water systems at home. Whether you are upgrading an old thermostat or installing a new one, this product is a smart choice that combines efficiency, reliability, and energy savings. The investment in this thermostat will not only enhance your comfort but also contribute to long-term savings on energy bills. If you are looking for a dependable thermostat that can elevate your home’s heating system, I would strongly recommend considering the Reliance 9001954-045. It’s a decision I believe you won’t regret.
Feature Description Model Reliance 9001954-045 Voltage 240V Type Double Pole (DP) Thermostat Compatibility Electric Water Heaters Position Upper Position Manufacturing Made in China ECO Feature Energy-efficient operation
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2. Reliance 9000507-045 Lower Electric Thermostat, No Size, Black

When I came across the Reliance 9000507-045 Lower Electric Thermostat, I was immediately intrigued by its potential to enhance the efficiency of electric water heaters. This thermostat is designed specifically for those who seek reliability and performance in their heating systems. In a world where comfort and convenience are paramount, having a dependable thermostat can make a significant difference in the overall functionality of your electric water heater.
The features of this thermostat are impressive and speak volumes about its quality and utility. The fact that it is a universal low setpoint thermostat means that it can be applied to a variety of electric water heaters, making it a versatile choice for many households. Whether you’re looking to replace an old thermostat or upgrade to a more efficient model, the Reliance 9000507-045 fits the bill perfectly. I appreciate that this product adds great value; it’s not just a component, but an essential part of your water heating system that can improve performance and energy efficiency.
Manufactured in China, the Reliance 9000507-045 is a testament to quality craftsmanship. When I think about the importance of using reliable components in my home, this thermostat stands out. Its lower position design is specifically tailored for electric water heaters, ensuring that it effectively controls the temperature and prevents overheating. This feature not only safeguards my appliances but also contributes to energy savings in the long run. And let’s be honest, who doesn’t want to save on those energy bills while still enjoying hot water on demand?
For anyone considering the purchase of a thermostat for their electric water heater, I can confidently say that the Reliance 9000507-045 is a wise investment. It provides peace of mind knowing that I have a device that is designed to enhance my water heating system’s functionality. With its straightforward installation and compatibility with various models, it’s user-friendly for both DIY enthusiasts and those who prefer to hire a professional. If you want to take control of your home’s heating system, this thermostat is definitely worth considering.
Product Title Features Reliance 9000507-045 Lower Electric Thermostat
- Universal low setpoint thermostat
- Adds great value
- Manufactured in China
- Designed for electric water heaters
- Lower position design
the Reliance 9000507-045 Lower Electric Thermostat is not just a replacement part; it’s an upgrade to my home’s comfort and efficiency. If you’re on the fence about making a purchase, I would encourage you to consider how much easier and more efficient your life could be with this thermostat in place. Sometimes, the simplest changes can lead to the most significant benefits. Don’t hesitate to make the investment—your home will thank you!
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3. Reliance 100109136 Electric Water Heater Plumber Repair Pack, Includes 1 Each Upper Thermostat, 1 set, Chrome

When it comes to home maintenance, having the right tools and components on hand can make all the difference, especially when dealing with plumbing issues. I recently came across the ‘Reliance 100109136 Electric Water Heater Plumber Repair Pack,’ and I can’t help but feel excited about its potential benefits. This product is designed to address common problems associated with electric water heaters, making it an essential addition to any homeowner’s toolkit. With its impressive features, it stands out as a reliable solution for those who want to ensure the longevity and efficiency of their water heating systems.
The package includes an upper thermostat and a chrome set, which are crucial components for the repair and maintenance of electric water heaters. The upper thermostat is responsible for regulating the temperature of the water, ensuring it stays at a comfortable level for everyday use. If you’ve ever experienced lukewarm showers or inconsistent water temperatures, you know how frustrating that can be. By having a replacement thermostat on hand, I can quickly resolve such issues without the hassle of waiting for a professional. This not only saves me time but also money in service fees.
Moreover, the chrome set included in the pack adds a touch of durability and aesthetic appeal. Chrome is known for its resistance to corrosion, which means that it will last longer and maintain its appearance even with regular use. This is particularly advantageous for those of us who value both functionality and style in our home fixtures. Knowing that I have high-quality materials at my disposal gives me peace of mind when it comes to repairs.
Now, let’s talk about the product’s dimensions. The package measures 5.84 inches in length, 17.65 inches in width, and 43.05 inches in height. This compact size makes it easy to store and transport, whether I’m keeping it in my garage or taking it along for a DIY project. It’s not cumbersome, which is a significant advantage for anyone who may not have ample storage space at home. I appreciate that the manufacturer has considered the practicality of size, ensuring that it fits seamlessly into my existing toolkit.
The fact that this product is made in China may raise some eyebrows, but I find that many high-quality products come from this region. It’s essential to focus on the quality and reliability of the components rather than solely on the country of origin. With this plumber repair pack, I feel confident that I’m purchasing a product that meets high standards of performance and durability.
the ‘Reliance 100109136 Electric Water Heater Plumber Repair Pack’ is an excellent investment for anyone who owns an electric water heater. The combination of essential components, durable materials, and practical sizing makes it a must-have for maintenance and repair tasks. I genuinely believe that this pack can save me from frustrating situations in the future, making it worth every penny. If you’re looking to simplify your home maintenance routine, I highly recommend considering this repair pack. It’s a small price to pay for the peace of mind that comes with being prepared for any plumbing issues that may arise.
Feature Description Included Components 1 Upper Thermostat, 1 Chrome Set Country of Origin China Package Length 5.84 inches Package Width 17.65 inches Package Height 43.05 inches
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4. Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters

As I delve into the world of home appliances, one product that stands out to me is the ‘Reliance Water Heater Natural Gas Control Valve 100112336’. This control valve is specifically designed to be compatible with a variety of water heater brands, including A.O. Smith, Reliance, State, and American. This compatibility is a significant advantage for users like me, as it provides flexibility and assurance that I can find a suitable part for my water heating needs without having to search extensively for the right model.
The primary feature that caught my attention is the requirement to provide the model and serial number of my water heater to confirm compatibility. This thoughtful detail emphasizes the importance of precision in ensuring the correct fit and function of the gas control valve. As someone who values efficiency and reliability, I appreciate that this product is designed to avoid the hassle of returns or compatibility issues, which can often be a source of frustration when dealing with home repairs.
Having a reliable gas control valve is crucial for the safe operation of my water heater. This component plays a vital role in regulating the flow of gas, which ultimately affects the heating performance and overall energy efficiency of the unit. With the Reliance Water Heater Natural Gas Control Valve, I can rest assured that I’m investing in a product that is not only compatible with my system but is also engineered to enhance the safety and longevity of my water heater.
Additionally, I find the emphasis on compatibility with multiple brands to be a tremendous benefit. It simplifies the decision-making process for individuals like me who may own different models or may consider switching brands in the future. The ability to use a single control valve across various systems provides a level of convenience that I truly value. It encourages me to maintain my water heater properly, knowing that finding a replacement part will be straightforward and hassle-free.
To summarize, the Reliance Water Heater Natural Gas Control Valve 100112336 is an excellent choice for anyone looking to maintain or repair their gas water heater. Its compatibility with major brands and the requirement for model verification ensure that I am making a well-informed decision. I genuinely believe that investing in this control valve will not only enhance the functionality of my water heater but also provide peace of mind regarding safety and efficiency. If you’re in the market for a reliable replacement gas valve, I highly encourage you to consider this product—it could very well be the solution you’ve been searching for!
Feature Description Compatibility Compatible with A.O. Smith, Reliance, State, and American branded water heaters. Model Verification Requires model and serial number to confirm fit, ensuring precision and reducing the chance of errors. Safety Helps regulate gas flow, enhancing the safety and efficiency of water heater operation. Convenience Simplifies the repair process by providing a widely compatible solution for various water heater models.
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Why the Reliance Water Heater Thermostat is a Game Changer for My Home
As a homeowner, I’ve always prioritized comfort and efficiency in my daily life, and that’s why the Reliance Water Heater Thermostat has become an indispensable part of my household. The first thing I noticed was how it allows me to maintain precise control over my water temperature. Gone are the days of scalding myself in the shower or waiting ages for the water to heat up. With this thermostat, I can easily set my desired temperature, ensuring that every shower is just the way I like it.
Another significant benefit I’ve experienced is energy efficiency. The Reliance Water Heater Thermostat features advanced technology that optimizes the heating cycle based on my usage patterns. This means I’m not wasting energy heating water when I don’t need it, which has noticeably reduced my utility bills. Knowing that I’m being environmentally responsible while saving money gives me peace of mind.
Finally, I appreciate the durability and reliability that comes with the Reliance brand. My previous thermostat failed me multiple times, leading to cold showers and inconvenient repairs. With the Reliance Water Heater Thermostat, I’ve enjoyed consistent performance and the confidence that I can rely on it for years to come.
Buying Guide for Reliance Water Heater Thermostat
Understanding the Importance of a Thermostat
When I first started looking into water heater thermostats, I realized how crucial they are for regulating water temperature efficiently. A thermostat helps maintain the right temperature, ensuring that I have hot water when I need it without wasting energy. This balance is essential for both comfort and cost savings.
Types of Thermostats
I discovered that there are various types of thermostats available for water heaters. The most common ones are manual and digital thermostats. Manual thermostats require me to adjust the temperature settings manually, while digital options often come with programmable features. I found that digital thermostats can offer convenience, especially for busy households.
Compatibility with My Water Heater
Before making a purchase, I needed to ensure that the thermostat I choose is compatible with my specific water heater model. I took the time to check the manufacturer’s specifications to avoid any complications during installation. Compatibility is key to ensuring optimal performance.
Temperature Range and Settings
One of the aspects I considered was the temperature range of the thermostat. Different tasks require different water temperatures, so I wanted to ensure that I could set the thermostat to my desired level. Some thermostats offer a wider range of settings, which can be beneficial for diverse household needs.
Ease of Installation
As someone who values DIY projects, I looked for thermostats that are easy to install. I appreciate clear instructions and a user-friendly design, which can save me time and frustration during the setup process. Reading reviews helped me identify models that others found simple to install.
Energy Efficiency Features
Energy efficiency is something I prioritize in my home. I looked for thermostats that come with energy-saving features, such as automatic shut-off or eco-friendly settings. These features not only help reduce my utility bills but also contribute to a more sustainable lifestyle.
Durability and Warranty
I wanted to invest in a thermostat that would last. I researched the materials used and looked for models known for their durability. Additionally, a good warranty gives me peace of mind, knowing that I am covered in case of any defects or issues.
Customer Reviews and Experiences
Reading customer reviews was an essential part of my decision-making process. I found that firsthand experiences often highlight the strengths and weaknesses of a product. I paid attention to feedback regarding performance, ease of use, and reliability.
Price Considerations
Budget is always a factor for me. While I wanted a quality thermostat, I also had to find one that fits within my budget. I compared prices across different retailers and considered the features I needed versus what I could afford. Finding a balance between quality and cost was important.
Final Thoughts
In the end, my journey to find the right Reliance water heater thermostat was about balancing functionality, efficiency, and cost. By considering all these factors, I felt confident in my choice. A good thermostat can significantly enhance my home comfort and energy savings, making it a worthwhile investment.
Author Profile

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Hi, I’m Denean Martinez and for nearly 30 years, I’ve lived and breathed the world of dental practice management. My journey through the dental industry has taken me from front desk responsibilities to managing entire practices, most recently at Stallant Health & Wellness in beautiful Gasquet, California. Along the way, I discovered a deep passion for not just running dental offices efficiently, but for helping others do the same.
But in 2025, something shifted. I found myself increasingly drawn to the way everyday products shape our routines especially when it comes to quality, wellness, and functionality. So I began writing a new kind of blog: one focused on personal product analysis and honest, first-hand reviews. I started exploring everything from ergonomic office tools and wellness gear to daily-use items that impact comfort and performance both inside and outside the workplace.
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