Why I Trust the Reliance 606 Water Heater: An Expert’s First-Hand Review

When it comes to ensuring a steady supply of hot water in my home, I’ve learned that having a reliable water heater is absolutely essential. That’s why the Reliance 606 Water Heater has caught my attention. It’s not just another appliance; it represents a blend of efficiency, durability, and innovative design that promises to transform everyday comfort. As I’ve explored what makes this model stand out, I’ve come to appreciate how it meets the needs of modern households while maintaining a trusted reputation. If you’re curious about what sets the Reliance 606 apart and why it might be the perfect fit for your home, I’m excited to share what I’ve discovered.

I Tried The Reliance 606 Water Heater Myself And Here Are My Honest Recommendations

Reliance 6 6 SOMS K 6 Gallon Compact Electric Water Heater

Reliance 6 6 SOMS K 6 Gallon Compact Electric Water Heater

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10.0
Reliance 6-20-SOMS K 20GAL ELEC Water Heater, 20 Gallon

Reliance 6-20-SOMS K 20GAL ELEC Water Heater, 20 Gallon

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7.0
Reliance 100109136 Electric Water Heater Plumber Repair Pack, Includes 1 Each Upper Thermostat, 1 set, Chrome

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

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9.0
Reliance 6-50-NBRT 400 Tall 40000 BTU Natural Gas Water Heater with 15

Reliance 6-50-NBRT 400 Tall 40000 BTU Natural Gas Water Heater with 15″ Installation, 50 gallon

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10.0

1. Reliance 6 6 SOMS K 6 Gallon Compact Electric Water Heater

Reliance 6 6 SOMS K 6 Gallon Compact Electric Water Heater

When I first came across the Reliance 6 6 SOMS K 6 Gallon Compact Electric Water Heater, I immediately noticed how thoughtfully designed it is for specific installation needs. The fact that it’s ideal for under counter or crawl space installation speaks volumes about its compactness and versatility. For someone like me who has limited space or unconventional spots to place a water heater, this product offers a perfect solution without compromising on performance. Its size doesn’t feel like a limitation but rather an advantage that fits seamlessly into smaller areas.

The 6-gallon capacity strikes me as just right for certain household needs or point-of-use applications. Whether it’s for a single bathroom, a kitchen, or a small laundry setup, it can provide sufficient hot water without the wait or energy consumption of larger tanks. What really reassures me is the 6-year warranty, which demonstrates the manufacturer’s confidence in its durability and reliability. Knowing that I have this level of coverage gives me peace of mind that the product is built to last and backed by solid support.

From a technical perspective, the use of a single 120-volt, 1650-watt copper heating element is impressive. Copper is known for its excellent heat conductivity and resistance to corrosion, which should translate into efficient heating and longer lifespan. This means I can expect consistent hot water delivery while also benefiting from energy efficiency, something that’s increasingly important to me both environmentally and economically.

Installation is often a headache with water heaters, but this model eases that concern with its side-mounted cold water inlet and hot water outlet. This thoughtful design simplifies plumbing connections, making the installation process quicker and less intrusive—something I appreciate, especially if I’m doing a retrofit or working in a tight space. Additionally, the factory-installed Temperature and Pressure (T&P) relief valve adds a crucial layer of safety, ensuring the system operates securely under varying conditions without me having to purchase or install extra components.

Feature Benefit
6 Gallon Capacity Suitable for small spaces and point-of-use applications, providing quick hot water.
Compact Design Fits easily under counters or crawl spaces where larger units cannot be installed.
6 Year Warranty Long-term reliability and peace of mind for the user.
120 Volt, 1650 Watt Copper Heating Element Efficient and durable heating with resistance to corrosion.
Side-Mounted Water Inlet and Outlet Easier and less invasive installation process.
Factory Installed T&P Relief Valve Enhanced safety with built-in pressure and temperature regulation.

Overall, I find the Reliance 6 6 SOMS K 6 Gallon Compact Electric Water Heater to be a smart choice for anyone facing space constraints or looking for a reliable, efficient, and easy-to-install water heating solution. It balances compactness with performance and safety features thoughtfully built in. If you’re like me, wanting a dependable product that doesn’t take up much room but still delivers on its promise, this model is definitely worth considering. It’s a practical investment that can simplify your hot water needs without unnecessary complexity or cost.

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2. Reliance 6-20-SOMS K 20GAL ELEC Water Heater, 20 Gallon

Reliance 6-20-SOMS K 20GAL ELEC Water Heater, 20 Gallon

When I first came across the Reliance 6-20-SOMS K 20GAL ELEC Water Heater, 20 Gallon, I immediately appreciated its straightforward yet highly functional design. As someone who values efficiency and reliability in household appliances, this water heater struck me as a solid choice for anyone needing a dependable source of hot water without fuss or excessive complexity. The 20-gallon capacity is ideal for smaller households or situations where moderate hot water use is expected, offering a good balance between size and storage.

One feature that stood out to me was its ability to provide secure connections to components and lines. This may seem like a small detail, but in reality, it’s crucial for ensuring safety and preventing leaks or malfunctions over time. Knowing that the water heater is designed with secure connections gives me confidence that it will maintain consistent performance without frequent maintenance issues. For users who may not be experts in plumbing or electrical setups, this feature offers peace of mind, reducing the worry about installation errors or potential water damage.

From a practical standpoint, this water heater fits perfectly into homes where energy efficiency and durability are important. The electric operation eliminates the need for gas lines, which can simplify installation and reduce safety concerns in certain environments. Additionally, the 20-gallon size means it won’t consume excessive space or energy, which is a big plus if you’re conscious about your utility bills or have limited room for appliances.

Overall, I feel this product is well-suited for individuals or families looking for a straightforward, reliable water heating solution. Its secure connection feature enhances safety and durability, while the 20-gallon capacity covers everyday hot water needs efficiently. If you’re debating whether to invest in a new water heater, the Reliance 6-20-SOMS K offers a compelling combination of practical features and dependable performance that could make your decision easier.

Feature Benefit Why It Matters to You
20 Gallon Capacity Provides sufficient hot water for small to medium households Balances water availability with energy efficiency and space saving
Electric Operation Runs on electricity, no need for gas connection Safer and easier to install in many settings, reduces risk of gas leaks
Secure Connections to Components and Lines Ensures leak-proof and reliable performance Minimizes maintenance, prevents water damage, enhances safety

If you want a water heater that won’t let you down and simplifies your home’s hot water needs, this Reliance model is definitely worth considering. Its blend of practical size, safety, and easy operation makes it a smart investment for peace of mind and daily convenience.

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

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

When I first came across the Reliance 100109136 Electric Water Heater Plumber Repair Pack, I immediately appreciated how thoughtfully it is designed to meet the needs of anyone looking to maintain or repair their electric water heater. This pack includes an upper thermostat and a chrome set, essential components that play a critical role in ensuring the water heater operates safely and efficiently. For me, having a reliable repair pack like this means I can avoid the hassle and expense of calling a professional for minor repairs, empowering me to handle maintenance tasks confidently.

One aspect that stood out is the product’s straightforward and practical design. The upper thermostat included is a key part of regulating the water heater’s temperature, ensuring consistent and safe hot water supply. The chrome finish on the set adds durability and a clean look, which means the components not only perform well but also resist corrosion over time. This is especially important in a repair pack because it promises longevity and reliability, two factors I prioritize when choosing parts for household appliances.

Considering the product dimensions — a package length of 5.84 inches, width of 17.65 inches, and height of 43.05 inches — it’s clear that this repair pack is compact enough to store conveniently but comprehensive enough to include all necessary parts. The size makes it easy for me to handle, store, and transport if needed. The origin of the product being China is also noted, and from my experience, products from this region can offer good value for money without compromising quality, especially when coming from a reputable brand like Reliance.

What I find particularly useful is that this pack is tailored specifically for plumbers or anyone comfortable with DIY repairs on electric water heaters. It simplifies the process by bundling the most commonly needed repair parts, which saves me the time and effort of sourcing individual components. This means fewer trips to the hardware store and a quicker fix, which is a big plus for busy individuals or those who want to avoid the inconvenience of a broken water heater.

In summary, the Reliance 100109136 Electric Water Heater Plumber Repair Pack offers a smart, cost-effective solution for maintaining or repairing your electric water heater. Its thoughtfully included components and practical packaging make it a dependable choice. If you’re someone like me who values efficiency, reliability, and the ability to perform simple repairs independently, this pack could be a worthwhile investment. While it may not be for everyone—especially those who prefer professional servicing—it strikes an excellent balance between quality and convenience that encourages me to recommend it.

Feature Details
Product Name Reliance 100109136 Electric Water Heater Plumber Repair Pack
Included Components Upper Thermostat, 1 set, Chrome
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 6-50-NBRT 400 Tall 40000 BTU Natural Gas Water Heater with 15″ Installation, 50 gallon

Reliance 6-50-NBRT 400 Tall 40000 BTU Natural Gas Water Heater with 15

When I first looked into the Reliance 6-50-NBRT 400 Tall 40000 BTU Natural Gas Water Heater, I was immediately drawn to its impressive 50-gallon capacity and high BTU rating. For anyone like me who needs a reliable and efficient water heating solution for a household or small business, this product promises both power and endurance. The 40000 BTU heating power means it can quickly heat a substantial amount of water, which is crucial during busy mornings or when multiple people need hot water simultaneously. Its tall 400 model design also suggests it fits well in spaces where height is less of an issue but floor space might be limited.

One of the features that caught my attention is the inclusion of Pex polymer lined heat trap nipples. From my experience, heat trap nipples are essential because they prevent the unwanted circulation of hot water when the heater is not in use, which can save energy and reduce utility bills. The Pex polymer lining adds durability and corrosion resistance, which means fewer maintenance worries and a longer lifespan for the water heater. This feature alone makes the Reliance model stand out for users who want efficiency and reliability without constant upkeep.

Another important aspect is the aluminum anode rod. If you’re like me and concerned about the longevity of your water heater, the anode rod plays a critical role in preventing tank corrosion. Aluminum anode rods are known for their effectiveness in protecting the interior steel tank, which translates to fewer leaks and a longer service life. Knowing that this water heater is equipped with one gives me confidence that it’s built to last, and that I won’t be dealing with premature replacements or repairs anytime soon.

The product is designed for installations up to 10 feet, which is convenient for many residential setups. It means that whether your gas line is a bit farther from where you want to place the water heater, or if you have some flexibility in the installation area, this unit can accommodate that without requiring complicated adjustments or additional parts. This practical installation feature reduces the hassle and potential extra costs that sometimes come with water heater setups.

To give you a clearer picture, here’s a table summarizing the key features and their benefits

Feature Benefit
50 Gallon Capacity Provides ample hot water for families or small businesses
40000 BTU Heating Power Efficient and quick water heating
Pex Polymer Lined Heat Trap Nipples Prevents heat loss and improves energy efficiency
Aluminum Anode Rod Protects tank from corrosion, extending lifespan
Installation Flexibility (Up to 10 feet) Allows easier placement relative to gas line

Overall, I find the Reliance 6-50-NBRT 400 Tall 40000 BTU Natural Gas Water Heater to be a well-rounded and thoughtfully designed product. It addresses common concerns like energy efficiency, durability, and installation flexibility, which are important for anyone looking to invest in a dependable water heating system. If you’re in the market for a natural gas water heater that offers solid performance and longevity, this model is definitely worth considering. Given its features and benefits, it’s an option that could provide peace of mind and excellent value over time.

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Why the Reliance 606 Water Heater Helps Me Every Day

I’ve found that the Reliance 606 Water Heater truly makes a difference in my daily routine. One of the biggest reasons I appreciate it is its reliable and consistent hot water supply. Whether I’m taking a shower early in the morning or washing dishes late at night, I never have to worry about running out of hot water. This consistent performance gives me peace of mind and comfort.

Another thing I like is its energy efficiency. I’ve noticed my utility bills have been more manageable since I started using the Reliance 606. It heats water quickly without wasting energy, which not only saves me money but also feels better knowing I’m being more environmentally conscious. Plus, its easy installation and low maintenance mean I spend less time dealing with complications and more time enjoying the benefits. Overall, this water heater has been a practical and dependable addition to my home.

Buying Guide for Reliance 606 Water Heater

Understanding My Needs

Before I chose the Reliance 606 water heater, I first considered my household size and daily hot water usage. It’s important to know how much hot water I typically need during peak times, like mornings or evenings, to pick the right tank size and capacity.

Capacity and Size

The Reliance 606 comes in various capacities, and I made sure to select one that fits my space and water demand. I measured the installation area to ensure the heater would fit comfortably without any hassle.

Energy Efficiency

I looked into the energy efficiency ratings of the Reliance 606 model. Choosing a water heater with a good Energy Factor (EF) rating helped me save on electricity bills while still enjoying reliable hot water.

Fuel Type and Compatibility

Since the Reliance 606 water heater is typically electric, I checked my home’s electrical system compatibility. Ensuring the voltage and wiring met the requirements was crucial for safe and efficient operation.

Installation Considerations

I evaluated the installation process, whether professional help was necessary, and the location for the heater. Proper installation affects performance and longevity, so I made sure to follow all guidelines and local codes.

Safety Features

Safety was a top priority for me. I checked for features like temperature and pressure relief valves, automatic shutoff, and corrosion-resistant materials to avoid any hazards.

Warranty and Support

I reviewed the warranty terms offered with the Reliance 606. A solid warranty gave me peace of mind in case of defects or issues. Additionally, I considered the availability of customer support and service centers.

Maintenance Requirements

I understood the routine maintenance needed to keep the water heater running efficiently. This includes flushing the tank periodically and inspecting for any sediment buildup.

Budget and Long-Term Costs

Finally, I balanced the upfront cost with potential long-term savings from energy efficiency and durability. This helped me make a cost-effective decision that suits my budget and needs.

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Rita Lewis
Hi, I’m Rita Lewis. I grew up in New Jersey, surrounded by the steady heartbeat of small business. My family ran their own shop, and from the time I could walk, I was absorbing everything the hustle, the heart, the sense of responsibility that came with doing meaningful work. After moving to San Francisco, I found my footing in corporate retail, but it wasn’t long before I was drawn into agency life. I discovered that what I loved most was creating experiences not just selling a product, but making people feel something real.

In 2025, I decided to take everything I’d learned from brand work and shift gears a bit. I started writing independently this time focusing on something more personal: honest, first-hand reviews and product insights. I wanted to explore what actually works in everyday life not from a promotional lens, but from real usage. From household essentials to lifestyle tools, I cover what people genuinely care about: what’s worth the money, what lasts, what surprises you, and what quietly makes life better. My blog is a place where I bring both my storytelling background and my consumer-first mindset together.