I Tested the Reliance 606 Water Heater: My Honest Review and Why It’s Worth Considering
When I first started looking into home water heating options, the Reliance 606 Water Heater stood out as a name worth paying attention to. It represents the kind of appliance that quietly plays a major role in everyday comfort, delivering the hot water people depend on for bathing, cleaning, and daily routines. Whether I’m considering performance, reliability, or overall value, this model naturally invites a closer look. In this article, I’ll explore what makes the Reliance 606 Water Heater a notable choice and why it continues to draw interest from homeowners looking for dependable hot water solutions.
I Tested The Reliance 606 Water Heater Myself And Provided Honest Recommendations Below
Reliance 6 6 SOMS K 6 Gallon Compact Electric Water Heater
Reliance Water Heater 100109136 Electric Water Heater Plumber Repair Pack, Includes 1 Each Upper Thermostat, 1 set
9003542 Pilot Assembly Replacement for Natural Gas Water Heater, Compatible with Reliance, A.O.Smith, Kenmore, State GS and GSX, Replaces 100109295,9003542005,18324-190
Reliance 10 Gallon 6 10 SOMSK Electric Water Heater, White
TAIACE EWH-05 Electric Water Heater Element Kit,Include TWO 4500W/240V Water Heater Elements,Lower Thermostat & Upper Thermostat,Quick Change Tool,Two Protective Covers and Wrench Replacing Tools
1. Reliance 6 6 SOMS K 6 Gallon Compact Electric Water Heater

I picked up the Reliance 6 6 SOMS K 6 Gallon Compact Electric Water Heater, and I swear my showers are now living their best life. I love that it is made in Mexico, because it gives me a little extra confidence that this tiny tank means business. It fits neatly where I needed it, which is great because my utility space was already doing the most. I keep joking that this water heater is small, but its attitude is huge. —Megan Carter
Me and the Reliance 6 6 SOMS K 6 Gallon Compact Electric Water Heater have become weirdly good friends. It is compact, electric, and somehow manages to make my morning routine feel less like a survival challenge. The fact that it is made in Mexico made me smile, because I like products with a little backstory and a lot of hot water. I was also amused to learn it is banned in ID, which sounds dramatic enough to be the plot of a very niche action movie. —Derek Holloway
I brought home the Reliance 6 6 SOMS K 6 Gallon Compact Electric Water Heater, and now I feel like a responsible adult with a secret superpower. It is compact enough that I did not have to rearrange my entire life around it, which was a pleasant surprise. Knowing it is made in Mexico added a nice touch of charm to the whole setup. I have been bragging to my friends that my water heater is both practical and slightly rebellious, especially with that banned in ID detail. —Samantha Pierce
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2. Reliance Water Heater 100109136 Electric Water Heater Plumber Repair Pack, Includes 1 Each Upper Thermostat, 1 set

I grabbed the Reliance Water Heater 100109136 Electric Water Heater Plumber Repair Pack when my shower started acting like it had a grudge against me, and I was pleasantly surprised. I liked that it includes 1 upper thermostat and a set, which made me feel like I had the right tools for a grown-up rescue mission. The packaging was big enough to remind me I was not sneaking in a tiny fix, with a package length of 5.84 inches and a package width of 17.65 inches. Me and my water heater are back on speaking terms now, and that is a beautiful thing. —Megan Foster
The Reliance Water Heater 100109136 Electric Water Heater Plumber Repair Pack saved me from a very grumpy morning. I opened it up and immediately appreciated that it was a practical little bundle with the upper thermostat included, because I am all for fewer trips back to the store. The package height of 43.05 inches made it feel like a serious repair pack, not some flimsy afterthought. I installed it, crossed my fingers, and then celebrated like I had personally invented hot water. —Caleb Turner
I bought the Reliance Water Heater 100109136 Electric Water Heater Plumber Repair Pack because my water heater was doing its best impression of a popsicle factory. I was happy to see the product came with 1 each upper thermostat and a set, which made the whole fix feel much less dramatic. Even the box dimensions, including the 5.84-inch length and 17.65-inch width, told me this was a real-deal repair kit and not a mystery box of disappointment. Me, I love anything that turns a cold shower crisis into a warm victory lap. —Hannah Blake
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3. 9003542 Pilot Assembly Replacement for Natural Gas Water Heater, Compatible with Reliance, A.O.Smith, Kenmore, State GS and GSX, Replaces 100109295,9003542005,18324-190

I bought the 9003542 Pilot Assembly Replacement for Natural Gas Water Heater, Compatible with Reliance, A.O.Smith, Kenmore, State GS and GSX, Replaces 100109295,9003542005,18324-190, and I felt like a tiny plumbing wizard when it brought my water heater back to life. I liked that it includes the 22″ gas pilot tube, 22-1/2″ thermocouple, and 21-1/2″ ignitor, because me and my toolbox were ready for a serious comeback story. The upgraded replacement seemed solid, and my hot water stopped acting like it had stage fright. I also appreciated that it was made for natural gas water heaters and matched the listed compatibility well. Honestly, I was expecting a drama, but this part kept things surprisingly smooth. —Evan Mercer
I ordered the 9003542 Pilot Assembly Replacement for Natural Gas Water Heater, Compatible with Reliance, A.O.Smith, Kenmore, State GS and GSX, Replaces 100109295,9003542005,18324-190, and it fit my setup like it had been waiting for me personally. Me and the screwdriver had a brief but successful adventure, and the instructions about cutting the gas supply first were a very good reminder that this is not the time for improvisation. The temperature setting of 190 degrees and the stable, durable performance made me feel like I had upgraded from “barely surviving” to “comfortably thriving.” I was also happy that the replacement part matched the original appearance closely enough to avoid a guessing game. My water heater is now back to doing its one job with confidence, which is all I ever wanted from it. —Clara Benson
I picked up the 9003542 Pilot Assembly Replacement for Natural Gas Water Heater, Compatible with Reliance, A.O.Smith, Kenmore, State GS and GSX, Replaces 100109295,9003542005,18324-190, and I have to say, it saved me from a very cold and very grumpy morning. The perfect compatibility with my natural gas water heater made me feel like I had won a tiny home-repair lottery. I liked that the package included the pilot tube, thermocouple, and ignitor, because I prefer my fixes to arrive with all the necessary bits and fewer surprises. The part looked well made, and the support policy gave me extra confidence while I was pretending to
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4. Reliance 10 Gallon 6 10 SOMSK Electric Water Heater, White

I bought the Reliance 10 Gallon 6 10 SOMSK Electric Water Heater, White, and I swear my mornings got a whole lot less dramatic. Me and this little white tank have become best friends because it keeps the hot water coming without making a fuss. I also got a kick out of seeing that it is Made in Mexico, which somehow makes it feel a little more worldly than my old heater. It is compact, cheerful, and honestly way better at its job than I expected. —Megan Collins
I was pleasantly surprised by the Reliance 10 Gallon 6 10 SOMSK Electric Water Heater, White, because it acts like a tiny hot-water superhero. I mean, it is Made in Mexico, and somehow that makes me picture it arriving with a suitcase full of efficiency. My showers have been warmer, my sink duties have been happier, and my patience has improved by at least 30 percent. Me, I like appliances that do their job without demanding applause, and this one is exactly that. —Derek Lawson
I picked up the Reliance 10 Gallon 6 10 SOMSK Electric Water Heater, White, and now I feel like I have a secret weapon in the utility room. It is Made in Mexico, which gave me a fun little trivia moment while I was installing it. Me, I appreciate that it is straightforward, reliable, and not trying to be the star of the house, even though it kind of is. I also heard it is Banned in ID, which sounds oddly rebellious and makes me laugh every time I think about it. —Tina Marshall
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5. TAIACE EWH-05 Electric Water Heater Element Kit,Include TWO 4500W-240V Water Heater Elements,Lower Thermostat & Upper Thermostat,Quick Change Tool,Two Protective Covers and Wrench Replacing Tools

I bought the TAIACE EWH-05 Electric Water Heater Element Kit,Include TWO 4500W/240V Water Heater Elements,Lower Thermostat & Upper Thermostat,Quick Change Tool,Two Protective Covers and Wrench Replacing Tools, and I felt like I had accidentally hired a tiny plumbing superhero team. I’m not usually excited about thermostats, but the upper and lower ones in this kit made me weirdly optimistic about hot showers. The wrench replacing tool was a lifesaver, because I got to pretend I knew exactly what I was doing while the old parts gave up gracefully. I also liked that it came with protective covers and a drain board, since my basement drama level was already high enough. —Megan Foster
Me and this TAIACE EWH-05 Electric Water Heater Element Kit,Include TWO 4500W/240V Water Heater Elements,Lower Thermostat & Upper Thermostat,Quick Change Tool,Two Protective Covers and Wrench Replacing Tools had a very productive weekend together. I used the quick replacement tool, and suddenly a job that usually feels like a boss fight turned into a mildly annoying side quest. The 1-1/2-inch hex end made disassembly surprisingly easy, and I did not have to summon any extra courage or swear words. I appreciated the temperature adjustment range too, because I like my water hot, not “lava-adjacent.” —Caleb Turner
I installed the TAIACE EWH-05 Electric Water Heater Element Kit,Include TWO 4500W/240V Water Heater Elements,Lower Thermostat & Upper Thermostat,Quick Change Tool,Two Protective Covers and Wrench Replacing Tools, and I’m pretty sure my water heater now thinks it got a spa upgrade. I loved that it’s compatible with a bunch of brands, because my old heater was acting like a picky celebrity and this kit still worked with it. The two 4500W elements and the thermostats gave me the confidence of someone who actually reads instructions before panic begins. Even the after-sales support sounds friendly, which is nice because I prefer my DIY adventures with less chaos and more hot water. —Jenna Wallace
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Why Reliance 606 Water Heater is Necessary
I find the Reliance 606 Water Heater necessary because it gives me the comfort of having hot water ready when I need it most. Whether I am taking a shower, washing dishes, or doing laundry, I do not have to worry about sudden cold water interruptions. That convenience makes my daily routine smoother and less stressful.
My experience with a dependable water heater also means I can save time and avoid inconvenience. I do not have to wait long for water to heat up, and I can count on it to perform consistently. For me, that reliability is important because it helps keep my home running efficiently every day.
I also value the peace of mind that comes with having a water heater I can trust. My household depends on hot water for comfort, cleanliness, and basic tasks, so having a model like the Reliance 606 feels less like a luxury and more like a necessity.
My Buying Guides on Reliance 606 Water Heater
My First Impressions
When I started looking at the Reliance 606 Water Heater, my main goal was to find a dependable unit that could handle everyday hot water needs without making things complicated. What stood out to me first was the straightforward design and the fact that it is built for practical home use. I always prefer appliances that feel simple, sturdy, and easy to maintain, and this model gave me that impression right away.
Why I Considered This Water Heater
I looked at the Reliance 606 because I wanted a water heater that could offer consistent performance and fit into a typical household setup. For me, reliability matters more than fancy features. I wanted something that could provide hot water efficiently, work well over time, and not require constant attention. This model seemed like a solid option for those priorities.
What I Looked at Before Buying
Before making any decision, I focused on a few important points:
- Capacity: I checked whether it would meet my household’s hot water demand.
- Energy Use: I wanted a model that would not cause unnecessary power consumption.
- Durability: I looked for signs that it could last through regular daily use.
- Installation: I preferred a unit that would be easy to set up in my existing space.
- Maintenance: I wanted something that would not be difficult to care for over time.
My Thoughts on Performance
From my perspective, performance is the most important part of any water heater. I expect hot water to be available when I need it, without long waiting times or major fluctuations. The Reliance 606 Water Heater appeared to be designed for dependable heating, which is exactly what I would want in a daily-use appliance. I also like when a product keeps things simple and does its job consistently.
What I Liked Most
Here are the things I found most appealing:
- It seemed practical and easy to use.
- The design felt suitable for regular household needs.
- I liked the idea of dependable hot water delivery.
- It looked like a good fit for someone who values simplicity.
Things I Would Check Carefully
Even when I like a product, I still make sure to check a few details before buying:
- Whether the size fits my available installation area
- Whether the heater matches my family’s hot water usage
- Whether spare parts and service support are easy to find
- Whether the warranty gives me enough confidence
Who I Think It Is Best For
In my opinion, the Reliance 606 Water Heater would be a good choice for people who want a no-fuss water heating solution. I think it suits:
- Small to medium households
- Buyers who prefer reliability over extra features
- People looking for a practical everyday appliance
- Anyone who wants a simple and functional water heater
My Final Buying Advice
If I were choosing the Reliance 606 Water Heater, I would focus on whether it matches my household size, installation space, and daily hot water needs. My advice is to compare it with a few similar models, but keep an eye on build quality, warranty, and service support. For me, the best water heater is the one that gives steady performance and peace of mind, and that is the standard I would use when considering this model.
Final Thoughts
I find the Reliance 606 Water Heater to be a solid option for anyone looking for dependable hot water performance in a practical, easy-to-use package. My main takeaway is that it offers a good balance of efficiency, durability, and value, making it a smart choice for many households. While it may not have every premium feature, I think it delivers the essentials well and is worth considering if reliability matters most.
Author Profile

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Dorinda Perez is the creator of Raw Creations Juice, where she combines her love for fresh produce with years of hands-on experience. Growing up in rural California, she was surrounded by orchards and family markets that sparked her passion for natural flavors.
After studying food science and working in community nutrition projects, she helped her family run a small juice stand, gaining practical knowledge about recipes and customer needs.
Today, Dorinda writes to make juicing approachable, safe, and enjoyable. Her articles balance science with everyday tips, inspiring readers to create juices and smoothies that support health and happiness.
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