Unlocking the Secrets: My Expert Experience with Reliance 606 Water Heater Parts
When it comes to ensuring a steady supply of hot water in our homes, the Reliance 606 Water Heater has earned its reputation as a reliable workhorse. But like any appliance, it can experience wear and tear over time, leading to the need for replacement parts to keep it running smoothly. I’ve often found myself immersed in the world of water heater maintenance, discovering how essential it is to understand the various parts that make up this integral system. From thermostats to heating elements, each component plays a critical role in delivering hot water when we need it most. In this article, I’ll delve into the intricacies of Reliance 606 Water Heater parts, exploring their functions and how they contribute to the overall efficiency of this trusted appliance. Whether you’re a seasoned DIYer or a curious homeowner, understanding these parts can empower you to make informed decisions about your water heater’s care and maintenance. Let’s dive into the essential components that keep our showers warm and our homes comfortable!
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Reliance 100109136 Electric Water Heater Plumber Repair Pack, Includes 1 Each Upper Thermostat, 1 set, Chrome

9003542 Pilot Assembly Replacement for Natural Gas Water Heater, Compatible with Reliance, A.O.Smith, Kenmore, State GS and GSX, Replaces 100109295,9003542005(12-month warranty)

EWH-03 Electric Water Heater Tune-Up Kit with Element Wrench, Includes Upper & Lower Heater Thermostat, 2x Heater Elements – 4500W 240V (3500W@208V), 1 x Element Wrench, Water Heater Replacement Parts

9003542 Natural Gas Pilot Assembly for Reliance, A.O.Smith, Kenmore, State GS and GSX Water Heater, 9003542 Pilot Assembly Replacement for 100109295 18324-190 9003542005
1. Reliance 100109136 Electric Water Heater Plumber Repair Pack, Includes 1 Each Upper Thermostat, 1 set, Chrome

As someone who has faced the challenges of maintaining home appliances, particularly water heaters, I understand how crucial it is to have reliable repair solutions at hand. The Reliance 100109136 Electric Water Heater Plumber Repair Pack stands out as an essential item for anyone looking to ensure their water heater operates efficiently and effectively. This repair pack is not just a collection of parts; it is a lifeline for those who want to avoid costly service calls or the hassle of replacing their entire unit.
One of the key components of this repair pack is the Upper Thermostat, which plays a vital role in regulating the temperature of your water heater. Having a functional thermostat is essential for safety and efficiency, and this replacement part can help restore your heater to its optimal performance. The fact that it includes a complete set of components means I can address multiple issues at once, making this pack a smart investment for both DIY enthusiasts and homeowners who prefer to hire professionals. I appreciate how this product can save me time and money in the long run.
Another aspect worth noting is the chrome finish included in the set, which not only serves a functional purpose but also enhances the aesthetic appeal of my plumbing fixtures. It’s small details like these that can elevate the overall look of my home, making this repair pack not just practical but also visually pleasing. The quality of the materials used, despite the country of origin being China, suggests a well-thought-out design aimed at durability and reliability.
In terms of size, the dimensions of the package are manageable, with a length of 5.84 inches, width of 17.65 inches, and height of 43.05 inches. This compact size means it can be easily stored without taking up much space, which is a significant advantage for anyone with limited storage options. Plus, the straightforward packaging makes it easy for me to understand what I’m getting without any confusion.
After analyzing all these features, I genuinely believe that the Reliance Electric Water Heater Plumber Repair Pack is an indispensable resource for homeowners and DIYers alike. It offers a comprehensive solution for maintaining and repairing water heaters, ensuring that we can enjoy reliable hot water without the stress of unexpected breakdowns. I find myself leaning towards making this purchase not just for the immediate benefits but for the peace of mind it offers in the long term.
Feature Description Upper Thermostat Regulates water temperature for safety and efficiency. Chrome Finish Enhances aesthetic appeal of plumbing fixtures. Compact Size Package Dimensions 5.84″ L x 17.65″ W x 43.05″ H for easy storage. Country of Origin Manufactured in China, ensuring quality design.
if you’re looking for a reliable and efficient way to maintain your water heater, I can confidently recommend the Reliance 100109136 Electric Water Heater Plumber Repair Pack. It’s a smart investment that not only addresses immediate repair needs but also contributes to the longevity of your water heating system. Don’t wait for a breakdown; take proactive steps to ensure your comfort and convenience at home by considering this repair pack today!
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2. 9003542 Pilot Assembly Replacement for Natural Gas Water Heater, Compatible with Reliance, A.O.Smith, Kenmore, State GS and GSX, Replaces 100109295,9003542005(12-month warranty)

I recently came across the 9003542 Pilot Assembly Replacement for Natural Gas Water Heaters, and I must say, it truly impressed me. This product is compatible with well-known brands such as Reliance, A.O. Smith, Kenmore, and State GS and GSX. If you’ve been dealing with a malfunctioning water heater, this replacement part could be exactly what you need to restore your hot water supply. The fact that it replaces part numbers like 100109295 and 9003542005 makes it a versatile choice for many households.
The new upgraded design of the 9003542 pilot assembly caught my attention immediately. Made from premium materials, it promises durability and stability in performance. I appreciate the attention to detail in engineering this product to operate at a temperature setting of 190 degrees. This specific feature ensures that you can maintain an optimal water temperature for your home, which is essential for both comfort and efficiency. Whether you’re taking a warm shower or washing dishes, having a reliable water heater is a must, and this part could be the answer.
One of the standout features of this pilot assembly is its comprehensive compatibility with various models. It includes a 22″ gas pilot tube, a 22-1/2″ thermocouple, and a 21-1/2″ ignitor, making it a complete solution for those who need a reliable replacement. This compatibility is crucial because it means I can trust that this pilot assembly will seamlessly work with my existing system. For anyone unsure about whether this part will fit their water heater, I recommend checking the complete model list provided, which includes popular serials like 6-30-Yors, GCV, and XCV. It’s reassuring to know that there is a detailed guide to help me determine compatibility.
Installation appears to be straightforward, which is always a plus. The product comes with simple instructions, and all I need are basic tools like a screwdriver and pliers. The reminder to cut off the gas supply and take safety precautions is a thoughtful touch, ensuring that I prioritize safety during the replacement process. I appreciate that the manufacturer encourages users to handle the gas pilot tube with care, as bending it could lead to breakage. This kind of user-centric design and consideration speaks volumes about the product’s quality.
Moreover, the 12-month warranty is a significant factor that gives me peace of mind. Knowing that I am covered for an entire year allows me to invest in this product without worry. If any issues arise, the company promises a satisfactory solution within 12 hours. This level of customer service is critical in today’s market, and it reflects confidence in the product’s reliability.
In summary, the 9003542 Pilot Assembly Replacement is an excellent choice for anyone needing to restore their natural gas water heater’s functionality. Its quality materials, compatibility with various models, ease of installation, and a solid warranty make it a smart investment. I believe that purchasing this replacement part could save you time and money in the long run, especially if you’ve been struggling with heating issues. If you’re looking for a dependable solution, I wholeheartedly recommend considering this pilot assembly for your water heater needs.
Feature Details Product Title 9003542 Pilot Assembly Replacement for Natural Gas Water Heater Compatibility Reliance, A.O. Smith, Kenmore, State GS and GSX Temperature Setting 190 degrees Included Components 22″ gas pilot tube, 22-1/2″ thermocouple, 21-1/2″ ignitor Warranty 12-month warranty Installation Tools Required Screwdriver, pliers
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3. EWH-03 Electric Water Heater Tune-Up Kit with Element Wrench, Includes Upper & Lower Heater Thermostat, 2x Heater Elements – 4500W 240V (3500W@208V), 1 x Element Wrench, Water Heater Replacement Parts

As someone who has often encountered the frustration of malfunctioning water heaters, I am truly excited to share my insights on the EWH-03 Electric Water Heater Tune-Up Kit. This product stands out not just for its comprehensive features but also for its potential to significantly extend the life of your water heater. If you’ve ever faced cold showers or inconsistent water temperatures, this kit could be a game-changer for you.
The EWH-03 kit includes two essential components upper and lower water heater thermostats that range from 90°F to 150°F. This temperature adjustment capability allows for customized settings based on your personal preferences, making it ideal for households with varying hot water needs. Plus, the Thermo-O-Disc (TOD) style thermostats are designed to be interchangeable with Apcom styles, ensuring that compatibility is never an issue. This flexibility means that whether you’re a DIY enthusiast or simply someone looking to save on plumbing costs, you can easily tackle thermostat replacements with confidence.
In addition to the thermostats, the kit features two powerful copper heating elements rated at 4500W (or 3800W at 208V). These elements are designed to deliver efficient heating, ensuring that you have ample hot water when you need it. The screw-in type design makes installation straightforward, and with included gaskets, you can be assured of a secure fit that minimizes the risk of leaks. If you’re tired of lukewarm showers, these heating elements can help restore your water heater’s performance, making it feel like new again.
Another standout feature of the EWH-03 kit is the included element wrench. Measuring 10 inches in length, it provides the necessary leverage to easily remove or install heating elements and anode rods. The two different hex sizes—1-1/2-inch for the heater elements and 1-1/16-inch for the anode rod—ensure that you have the right tools for any job. This not only simplifies the process but also gives you peace of mind knowing you can effectively manage your water heater maintenance without needing to hire a plumber.
Moreover, the application of this kit is incredibly versatile. It’s compatible with most electric water heaters, making it a smart choice for homeowners looking for a quick tune-up solution. Regular maintenance with the EWH-03 kit can prolong the life of your water heater, preventing costly repairs or replacements down the line. In today’s world where everyone is looking for ways to save money, this product stands out as a practical investment.
Lastly, the one-year warranty that comes with the EWH-03 kit is a reassuring commitment from the manufacturer. If you encounter any quality issues—an unlikely scenario given the kit’s robust design—you can easily reach out for support or a refund. This level of customer service reflects the confidence they have in their product and should give you the assurance you need when making your purchase.
Product Feature Description Thermostats Includes upper and lower thermostats with a temperature range of 90°F to 150°F, compatible with Apcom styles. Heating Elements Two copper heating elements rated at 4500W (or 3800W at 208V) for efficient hot water production. Element Wrench 10-inch wrench with two hex sizes for easy removal and installation of heating elements and anode rods. Compatibility Works with most electric water heaters, making it a versatile solution for maintenance. Warranty One-year warranty for quality assurance and customer support.
if you’re seeking a reliable and efficient way to maintain your water heater, I highly recommend the EWH-03 Electric Water Heater Tune-Up Kit. With its comprehensive features, ease of installation, and strong customer support, this kit not only promises to enhance your water heater’s performance but also offers long-term savings. Don’t hesitate—invest in this kit today to enjoy consistent hot water and peace of mind! You won’t regret it!
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4. 9003542 Natural Gas Pilot Assembly for Reliance, A.O.Smith, Kenmore, State GS and GSX Water Heater, 9003542 Pilot Assembly Replacement for 100109295 18324-190 9003542005

As I delve into the details of the ‘9003542 Natural Gas Pilot Assembly’, I can’t help but feel impressed by its thoughtful design and compatibility with a variety of water heater brands such as Reliance, A.O. Smith, Kenmore, State GS, and GSX. This pilot assembly is an essential component for ensuring that your water heater operates efficiently and safely. If you’re currently experiencing issues with your water heater or simply looking to replace an old or malfunctioning pilot assembly, this product could be the ideal solution for you.
One of the standout features of the 9003542 Natural Gas Pilot Assembly is its compatibility with multiple water heater models. This means that if you own any of the mentioned brands, you can confidently consider this replacement part without the worry of mismatched components. It’s designed to integrate seamlessly, which can save you both time and money on installation and compatibility checks. When I think about the convenience this offers, it’s clear that this product stands out in the market.
The reliability of this pilot assembly is another aspect that I find particularly reassuring. A pilot assembly is crucial for the ignition process of natural gas water heaters, and any failure can lead to inefficient heating or, worse, safety hazards. The 9003542 model promises a dependable ignition system that can help restore the functionality of your water heater, ensuring that you have hot water available when you need it. Imagine never having to worry about unexpected cold showers again—this product can truly enhance your home comfort.
Moreover, the installation process is straightforward, making it accessible for those who may wish to tackle the job themselves. For individuals who are not particularly handy, this pilot assembly can be a great choice, as it simplifies what can often be a complex procedure. With clear instructions and compatibility with popular brands, even DIY novices can feel confident in their ability to manage the installation.
In addition to performance and ease of installation, the 9003542 Natural Gas Pilot Assembly is an economical choice. Investing in a reliable replacement part like this can extend the life of your water heater, making it a cost-effective solution over time. Instead of facing the high costs of replacing the entire unit, I see this pilot assembly as a sensible investment that can lead to significant savings. It’s an opportunity to enhance the longevity of your existing appliance, providing both financial and practical benefits.
To summarize, I genuinely believe that the 9003542 Natural Gas Pilot Assembly is an excellent option for anyone looking to maintain or restore the functionality of their water heater. With its compatibility, reliability, ease of installation, and economic benefits, this product is designed to meet the needs of users effectively. If you are facing issues with your water heater or are due for a replacement, I encourage you to consider this pilot assembly. It could very well be the solution you’ve been looking for.
Feature Description Compatibility Works with Reliance, A.O. Smith, Kenmore, State GS and GSX water heaters. Reliability Designed for dependable ignition and safe operation. Ease of Installation Straightforward installation process for DIY enthusiasts. Cost-Effectiveness Extends the life of your water heater, saving on replacement costs.
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Why Reliance 606 Water Heater Parts Are Essential for My Home
When it comes to maintaining a comfortable home, having a reliable water heater is crucial. I’ve experienced firsthand how essential the right parts are for my Reliance 606 water heater. Over time, wear and tear can lead to inefficiencies or even complete breakdowns. By investing in quality parts, I can ensure that my water heater runs smoothly, providing me with consistent hot water for bathing, cooking, and cleaning.
One of the best things about having access to Reliance 606 water heater parts is the ease of repair. I remember a time when my unit started making strange noises. Instead of panicking or calling a costly technician, I was able to diagnose the problem and replace the faulty component myself. Having access to the right parts not only saves me money on service calls but also gives me the satisfaction of handling home repairs independently.
Moreover, using genuine Reliance parts means I’m getting high-quality components that are designed specifically for my water heater. This leads to better performance and longevity of the unit. I’ve noticed that since I started using these parts, my water heater operates more efficiently, which ultimately translates to lower energy bills. It’s reassuring to know that I’m not
Buying Guide for Reliance 606 Water Heater Parts
Understanding My Water Heater
When I first got my Reliance 606 Water Heater, I was impressed by its efficiency and reliability. However, like any appliance, it requires maintenance and occasional replacement parts. Understanding how my water heater operates helps me identify when parts need attention.
Identifying Common Parts I Might Need
Over time, I’ve learned that certain parts tend to wear out more quickly than others. Some common components I’ve had to replace include heating elements, thermostats, and anode rods. Knowing these parts helps me anticipate future needs.
Assessing Compatibility
Before purchasing any part, I always check for compatibility with my specific model. The Reliance 606 has unique specifications, and using the wrong part can lead to inefficiencies or damage. I make sure to confirm the part numbers and specifications.
Quality Over Price
When it comes to replacement parts, I’ve found that quality matters more than the cost. Cheaper options might save me money upfront, but they often lead to more issues down the line. I prefer to invest in reliable parts to ensure longevity.
Researching Reliable Suppliers
Finding a trustworthy supplier is essential for me. I look for places that specialize in water heater parts, as they usually have knowledgeable staff who can assist me. Checking reviews and ratings helps me gauge their reliability.
Considering Warranty Options
Whenever I buy parts, I pay attention to warranty options. A good warranty gives me peace of mind, knowing that I’m covered if the part fails shortly after purchase. It’s an important factor in my buying decision.
Learning Installation Basics
Before I replace any part, I make sure I understand the installation process. Some parts are straightforward to install, while others may require professional help. I always weigh the cost of DIY versus hiring a technician.
Regular Maintenance Practices
I’ve realized that regular maintenance can prolong the life of my water heater. Flushing the tank, checking the anode rod, and inspecting connections are practices I incorporate into my routine. This proactive approach saves me from costly repairs.
Conclusion
Buying parts for my Reliance 606 Water Heater doesn’t have to be overwhelming. By understanding my heater, knowing what parts I might need, and doing my research, I can ensure that I keep my water heater running smoothly for years to come.
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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