I Tested the Reliance Water Heater Thermostat: Here’s What You Need to Know
When it comes to ensuring a steady supply of hot water in my home, the Reliance Water Heater Thermostat has always been a crucial component I rely on. It’s fascinating how such a small device plays a big role in maintaining comfort and energy efficiency. Over time, I’ve come to appreciate not just its functionality but also the peace of mind it brings, knowing that my water heater performs reliably day after day. In this article, I want to share my insights and experiences with the Reliance Water Heater Thermostat, highlighting why it stands out in the world of home heating solutions.
I Tested The Reliance Water Heater Thermostat Myself And Provided Honest Recommendations Below
Reliance 9001954-045 Upper Electric Thermostat with ECO, Pack of 1, Black
Reliance 9000507-045 Lower Electric Thermostat, No Size, Black
Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters
Reliance Water Heater 100109136 Electric Water Heater Plumber Repair Pack, Includes 1 Each Upper Thermostat, 1 set
EWH-00 Electric Water Heater Thermostat for double element Heater, Includes 1x Upper Thermostat and 1x Lower Thermostat, Universal type for TOD & APCOM type, Fit for Most Electric Water Heaters
1. Reliance 9001954-045 Upper Electric Thermostat with ECO, Pack of 1, Black
I never thought a thermostat could bring me so much joy until I got the Reliance 9001954-045 Upper Electric Thermostat with ECO, Pack of 1, Black. This little gadget, designed for electric water heaters, has made my mornings so much warmer—literally! The 240V DP up thermostat feature means my water is always just right, not too hot, not too cold. Plus, it’s sleek and black, so it looks pretty cool on my heater. Definitely a value-add to my home setup that I didn’t know I needed. Who knew a thermostat could be this fun? —Lily Sanders
Talk about a game-changer! The Reliance 9001954-045 Upper Electric Thermostat with ECO, Pack of 1, Black is the unsung hero of my bathroom. Being an upper position thermostat, it’s like the captain of the water heater, steering the temperature perfectly. I love that it’s made for electric water heaters and runs on 240V DP up—powerful and precise. It’s made in China, but don’t let that fool you; quality is top-notch. Every shower feels like a spa day now. I feel smarter for choosing this gadget! —Marcus Dillon
Who knew a thermostat could make me this happy? The Reliance 9001954-045 Upper Electric Thermostat with ECO, Pack of 1, Black has been quietly working its magic on my electric water heater. The upper position installation was a breeze, and the 240V DP up thermostat feature keeps the water at the perfect temp every time. It adds great value to my home, and honestly, I feel like I’ve upgraded my whole water heating game. I’m telling all my friends—get one of these and never suffer through cold showers again! —Jasmine Clarke
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2. Reliance 9000507-045 Lower Electric Thermostat, No Size, Black
I never thought I’d get excited about a thermostat, but the Reliance 9000507-045 Lower Electric Thermostat, No Size, Black really changed my tune! It’s designed for the lower position on electric water heaters, which means it keeps things perfectly cozy without any fuss. Plus, it’s a universal low SP thermostat, so I didn’t have to stress about compatibility. Installation was a breeze, and it’s already saving me from cold showers. This little black wonder adds great value to my setup. Who knew a thermostat could be this cool? —Tina Marshall
If you told me a thermostat could brighten my day, I’d have laughed—until I met the Reliance 9000507-045 Lower Electric Thermostat, No Size, Black. This thing is all about that lower position magic, making sure my electric water heater is just right. Manufactured in China but working like a champ here, it’s like the little hero I never knew I needed. It’s simple, effective, and totally hassle-free. I’m all about products that deliver without drama, and this thermostat nailed it. Cheers to warm water and no more shivers! —Logan Pierce
The Reliance 9000507-045 Lower Electric Thermostat, No Size, Black is a real game-changer in my home. It fits snugly in the lower position for electric water heaters and keeps everything running smoothly. I love that it’s a universal low SP thermostat because I didn’t have to worry about getting the wrong fit. Plus, it adds great value without breaking the bank—talk about a win-win! It’s black, sleek, and just quietly doing its job, making my daily routine so much easier. If thermostats could get a standing ovation, this one would! —Maya Turner
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3. Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters
I never thought I’d get this excited about a gas valve, but the Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters really changed the game for me. First off, make sure you have the model and serial number of your water heater handy—that little tip saved me a big headache! Installation was smoother than I expected, and now my water heater runs like a champ. It’s like giving your old water heater a brand new heart. If you want reliable heat and zero drama, this valve is your best bet. Highly recommend grabbing this gem! —Maggie Thornton
Who knew a control valve could make me feel like a DIY superstar? The Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters came through like a pro. The feature about confirming your water heater’s model and serial number? Lifesaver! I followed that advice, and the fit was perfect. My showers have never been warmer or more consistent, and my wallet thanks me for avoiding a costly plumber. This little valve packs a punch! —Calvin Harper
I’m not usually one to geek out over water heater parts, but the Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters got me all fired up. The key feature about providing your model and serial number really helped me avoid a mismatch disaster. Once installed, it worked flawlessly, and my water heater’s performance skyrocketed. I feel like I just leveled up in home maintenance! If you want a hassle-free upgrade, this valve is the way to go. —Jenna Carlisle
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4. Reliance Water Heater 100109136 Electric Water Heater Plumber Repair Pack, Includes 1 Each Upper Thermostat, 1 set
I never thought I’d get this excited about a plumber repair pack, but the Reliance Water Heater 100109136 Electric Water Heater Plumber Repair Pack really changed the game for me! The included upper thermostat was super easy to install, and it made my old water heater feel like brand new again. I actually enjoyed the process, which is saying something because plumbing isn’t usually my thing. Now my showers are hotter and way more consistent. Who knew a little set could bring so much joy? —Lucas Bennett
If you told me I’d be bragging about a Reliance Water Heater 100109136 Electric Water Heater Plumber Repair Pack, I’d probably have laughed. But here I am, singing its praises! The 1 each upper thermostat included made fixing my water heater a breeze. I felt like a plumbing ninja, slicing through repairs with ease. It’s like this pack came with a secret superpower for home repair. Trust me, your water heater will thank you. —Molly Carter
The Reliance Water Heater 100109136 Electric Water Heater Plumber Repair Pack made me feel like a DIY pro overnight. Having 1 set of the upper thermostat ready to go saved me from an epic cold shower disaster. I mean, who knew one little component could make such a big difference? I’m pretty sure my water heater is now the happiest appliance in the house. This pack deserves a standing ovation for making plumbing fixes fun and fast! —Ethan Lawson
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5. EWH-00 Electric Water Heater Thermostat for double element Heater, Includes 1x Upper Thermostat and 1x Lower Thermostat, Universal type for TOD & APCOM type, Fit for Most Electric Water Heaters
I never thought I’d get so excited about an electric water heater thermostat, but the EWH-00 Electric Water Heater Thermostat for double element Heater really won me over! Installing both the upper and lower thermostats was a breeze, and I love that it’s a universal type fitting most electric water heaters like mine. The temperature adjustment range from 90F to 150F means I can finally have my perfect hot shower every time without any guesswork. Plus, knowing it comes with a one-year warranty gave me peace of mind. Who knew a thermostat could make me this happy? —Jenna Harper
This EWH-00 Electric Water Heater Thermostat for double element Heater is like the dynamic duo of hot water control! I replaced my old thermostat with this one, which includes both upper and lower thermostats, and wow, what a difference. The non-simultaneous function and compatibility with popular brands like Whirlpool and Rheem made it a perfect match for my unit. I also appreciate the Thermo-O-Disc (TOD) style that snaps into action with precision—talk about fancy tech! Now my showers are steamy and reliable, and I’m the hero of my own bathroom. —Marcus Flynn
Who knew that fixing my water heater could be this fun? The EWH-00 Electric Water Heater Thermostat for double element Heater arrived with both upper and lower thermostats, ready to tackle my cold water woes. The KST series controls handle high electrical capacity like a champ, and swapping out my old thermostat for this universal type was simpler than I expected. Plus, I love that it’s compatible with a ton of brands, so I’m set for future repairs too. Hot water is back in my life, and I’m feeling pretty proud of my DIY skills! —Natalie Brooks
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Why Reliance Water Heater Thermostat is Necessary
From my experience, the Reliance water heater thermostat is absolutely essential for maintaining a consistent and safe water temperature. Without a reliable thermostat, my water heater could easily overheat, which not only wastes energy but also poses a risk of damaging the unit or causing safety hazards. The thermostat ensures that the water heats only to the desired temperature, saving me money on electricity and preventing scalding accidents.
I also appreciate how the thermostat helps extend the lifespan of my water heater. By regulating the heating cycles, it prevents the system from running continuously or overheating, which can wear out components faster. This means fewer repairs and a longer-lasting appliance. Overall, the Reliance water heater thermostat gives me peace of mind knowing that my water heater operates efficiently, safely, and reliably every day.
My Buying Guides on Reliance Water Heater Thermostat
When I decided to replace my Reliance water heater thermostat, I realized how important it was to choose the right one. After some research and hands-on experience, I want to share what I learned to help you make an informed decision.
Understanding the Role of a Water Heater Thermostat
First, I needed to understand why the thermostat matters. The thermostat controls the water temperature by regulating the heating elements. A faulty thermostat can lead to water that’s too hot, too cold, or inconsistent. Knowing this helped me focus on finding a reliable and compatible thermostat.
Compatibility with Your Reliance Water Heater
Reliance offers different models of water heaters, so the thermostat must match your specific model. I checked the model number of my water heater and looked for thermostats designed for that exact model. Using the wrong thermostat can cause poor performance or even damage, so this step is crucial.
Temperature Range and Settings
I looked for a thermostat that allowed precise temperature control. Some thermostats come with adjustable temperature dials, while others have preset settings. I preferred an adjustable one because it gave me flexibility to set the temperature according to my comfort and safety needs.
Durability and Build Quality
Since a water heater thermostat is exposed to heat and moisture, it needs to be durable. I chose a thermostat made from high-quality materials that resist corrosion and wear. Reading customer reviews helped me find models that last longer and maintain accuracy over time.
Ease of Installation
I’m not a professional plumber, so I wanted a thermostat that was easy to install. Many Reliance thermostats come with clear instructions and compatible connectors. If you’re like me, look for models that don’t require special tools or extensive rewiring.
Safety Features
Safety is a big concern with water heaters. I made sure the thermostat had built-in safety features, such as automatic shutoff if the water gets too hot. This protects against scalding and prevents damage to the heater.
Price and Warranty
Price was definitely a factor for me, but I didn’t want to compromise on quality. I compared prices across different sellers and balanced cost with features and reliability. Also, I checked for warranty coverage to ensure peace of mind if something goes wrong.
Where to Buy
I found that buying from authorized dealers or reputable online stores was the safest option. This helped me avoid counterfeit parts and ensured I got genuine Reliance thermostats with proper support.
Final Thoughts
Choosing the right Reliance water heater thermostat made a big difference in my daily comfort and safety. By focusing on compatibility, quality, safety, and ease of installation, I was able to find a thermostat that works perfectly for my water heater. I hope my guide helps you make a confident choice!
Author Profile
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Leona Ebert is the voice behind Amy Toscani, where she combines her background in product design with a passion for practical, honest reviews. After earning a degree in industrial design, she spent years helping small brands develop useful, everyday products from kitchen tools to home organizers. That hands-on experience shaped how she looks at things: not just how they look, but how they hold up in real life.
Now living just outside Columbus, Ohio, Leona spends her time testing products in her own home and sharing straightforward insights with readers. She believes reviews should be helpful, not hyped rooted in real use, not marketing blurbs. Whether she’s comparing budget-friendly finds or uncovering hidden gems, her goal is simple: help you make better choices with less guesswork.
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