How I Successfully Replaced My 6 Gallon RV Water Heater: An Expert’s Step-by-Step Guide

When I first embarked on my RV adventures, I quickly discovered that a reliable water heater is essential for comfort on the road. Imagine settling in after a long day of exploring—only to find that your hot water supply has run dry. That’s where the importance of a 6-gallon RV water heater comes into play. Whether you’re a seasoned road warrior or a weekend warrior just starting out, understanding the ins and outs of replacing your RV’s water heater can make a world of difference in your travel experience. In this article, I’ll share insights and tips on navigating the process of replacement, ensuring that you can enjoy hot showers and clean dishes no matter where your journey takes you. Let’s dive into the essential knowledge that will keep your RV running smoothly and your adventures enjoyable!

I Personally Evaluated the 6 Gallon RV Water Heater Replacement and Am Sharing My Honest Insights Below

1. Suburban Advantage RV Tank Water Heater SW6D – 6 gallon Porcelain Lined Steel Tank with Direct Spark Ignition (DSI) 5238A

As someone who enjoys the great outdoors and frequently embarks on RV adventures, I understand the importance of having reliable and efficient equipment to enhance my experience. One product that has caught my attention is the Suburban Advantage RV Tank Water Heater SW6D. With its impressive 6-gallon porcelain-lined steel tank and direct spark ignition (DSI), this water heater promises to deliver a dependable supply of hot water, which is essential for comfort during my travels.

The first thing I appreciate about the Suburban SW6D is its durable construction. Engineered with a porcelain-lined steel tank, this water heater is built to withstand the rigors of travel while mimicking the longevity of residential tank water heaters. This means I can rely on it for years of consistent hot water, whether I’m showering after a long hike or washing dishes at the campsite. Investing in a durable product like this gives me peace of mind, knowing that it will hold up under various conditions.

Another standout feature is the advanced corrosion protection that the Suburban SW6D offers. Equipped with a replaceable anode rod, this water heater not only protects against tank corrosion but also simplifies maintenance. The fact that the anode rod doubles as a drain makes it incredibly convenient for me to keep the unit in great shape, ultimately extending its lifespan. This focus on maintenance means less worry and more enjoyment during my trips.

Flexibility is key when it comes to RV living, and the Suburban SW6D does not disappoint in this regard. With its optional electric element, I have the freedom to utilize campsite or generator power for heating water. This versatility is a game-changer, allowing me to adapt to different situations without compromising on comfort. Whether I’m at a fully equipped RV park or boondocking in the wilderness, I can count on this water heater to meet my needs.

Moreover, Suburban’s exclusive heat transfer technology is impressive. The innovative flue tube design slows down the combustion process, optimizing heat transfer and ensuring that the water in the tank heats efficiently. This not only saves energy but also provides hot water faster, which is particularly beneficial when I need it most. The recovery rates are noteworthy as well—10.1 gallons per hour when using gas and 6.1 gallons per hour with electric—making it a practical choice for my busy camping lifestyle.

To summarize the features and specifications of the Suburban Advantage RV Tank Water Heater SW6D, here’s a quick overview

Feature	Description
Durable Construction	Porcelain-lined steel tank designed for longevity
Corrosion Protection	Replaceable anode rod for enhanced protection and easy maintenance
Power Options	Optional electric element for versatility (campsite or generator)
Heat Transfer Technology	Exclusive flue tube design for efficient heating
Dimensions	Product 12.69″ x 12.69″ x 19.19″; Cutout 12.75″ x 12.75″ x 19.19″
BTU/h	12,000
Recovery Rate (Gas)	10.1 Gallons/Hour
Recovery Rate (Electric)	6.1 Gallons/Hour
Warranty	2-year limited warranty; 3-year tank limited warranty

the Suburban Advantage RV Tank Water Heater SW6D is a product that I believe can significantly enhance any RV experience. Its durable construction, advanced corrosion protection, flexible power options, and efficient heat transfer technology make it a top choice for RV enthusiasts like me. If you’re looking for a reliable and efficient water heater for your adventures, I highly recommend considering this model. It’s an investment in comfort and convenience that will pay off many times over during your travels.

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2. Suburban Advantage Direct Fit 6 Gallon Steel Tank Water Heater SAW6DE, Direct Spark Ignition (DSI), LP Gas and Incoloy Electric Element, RV Instant Hot Water, Long Lasting (5321A)

As an RV enthusiast, I understand the importance of having a reliable and efficient water heater during my travels. That’s why I find the Suburban Advantage Direct Fit 6 Gallon Steel Tank Water Heater (SAW6DE) particularly appealing. This product is designed specifically for RVs, offering a direct fit replacement for existing 6-gallon aluminum tank water heaters. What stands out to me is the ease of installation; there’s no need for any unsightly modifications to the RV’s sidewalls, which preserves the aesthetic integrity of my vehicle.

The no-modification feature is a game-changer for those of us who might not be handy with tools or dread the thought of extensive renovations. The Suburban Advantage allows for a hassle-free upgrade, as it eliminates the need for cut-out modifications, interior cabinet alterations, or complicated plumbing adjustments. This means I can focus more on enjoying my trips rather than worrying about the installation process. It’s a straightforward solution that caters to those who value convenience and simplicity.

Durability is another critical factor when it comes to RV water heaters, and the Suburban Advantage does not disappoint. Its porcelain-lined steel tank is built to endure the rigors of travel and provide long-lasting service. Unlike traditional water heaters that may wear out over time, this model promises years of reliable hot water, ensuring I can enjoy hot showers and clean dishes even in the most remote locations. The residential-style design gives me confidence that I’m investing in a product that meets high standards of quality and performance.

One feature that really impresses me is the advanced corrosion protection. The replaceable anode rod not only safeguards the tank from corrosion but also simplifies maintenance since it doubles as a drain. This thoughtful design makes it easier to keep the unit in top condition, extending its lifespan and saving me money in the long run. For RV owners who are often on the go, this means less downtime and more time enjoying the great outdoors.

The flexibility of power options is another highlight of this water heater. With a 10,000 BTU input, the heater can recover up to 14.14 gallons per hour using LP gas, or 6.10 gallons per hour with the electric element. If you’re like me and often find yourself in varying conditions, having the option to utilize both LP gas and the electric element, which provides a combined recovery rate of 20.24 gallons per hour, is incredibly advantageous. This versatility ensures that I can have hot water available regardless of my power source, making my RV experience even more enjoyable.

the Suburban Advantage Direct Fit 6 Gallon Steel Tank Water Heater is an excellent investment for any RV owner looking to enhance their hot water experience. With its easy installation, durable design, advanced corrosion protection, and flexible power options, this water heater is sure to meet the demands of any traveling lifestyle. If you are looking to upgrade your RV’s water heater, I highly recommend considering this product. It not only simplifies your upgrade but also adds significant value to your RV experience.

Feature	Description
Direct Fit Replacement	Easy upgrade with no need for unsightly modifications
No Modifications Needed	Hassle-free installation without cut-outs or plumbing adjustments
Durable Porcelain Lined Tank	Built to last, providing years of reliable hot water
Advanced Corrosion Protection	Replaceable anode rod for enhanced tank protection and simplified maintenance
Optional Electric Element	Flexible power options with high recovery rates

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3. Dometic WH-6GEA RV Gas and Electric Water Heater – 12 Volt 6 Gallon Silver Burner-Quick Heating Burner System for Indoor Installation

As someone who values comfort and efficiency, I find the Dometic WH-6GEA RV Gas and Electric Water Heater to be an exceptional choice for anyone looking to upgrade their mobile hot water system. This 12-volt, 6-gallon water heater stands out with its robust features, making it an ideal solution for RV enthusiasts and mobile home dwellers like myself. The combination of quick heating capabilities and extended hot water availability takes the stress out of showering or washing dishes while on the road.

One of the standout features of the Dometic WH-6GEA is its quick and efficient heating system. The powerful burner heats water rapidly, significantly reducing wait times for hot water. This is particularly beneficial during those early morning routines when every minute counts. Additionally, the electric heating element provides an extra layer of assurance, ensuring that hot water is always available, regardless of the external conditions. I appreciate that this feature allows me to enjoy long, refreshing showers without the worry of running out of hot water.

Moreover, the design of the Dometic water heater allows for extended periods of hot water availability. This means I can indulge in longer showers or fill larger tanks without the concern of depleting my hot water supply too quickly. For those of us who enjoy the comforts of home while on the road, this feature is invaluable. It transforms the RV experience by allowing us to maintain our usual routines without compromise.

Maintenance is often a concern with RV appliances, but the Dometic WH-6GEA is designed with ease of maintenance in mind. The aluminum tank eliminates the need for an anode rod, making it hassle-free and low-maintenance. This is a significant advantage for busy RV owners who want to spend more time enjoying their trips and less time worrying about upkeep. I appreciate how this feature simplifies the entire experience, allowing me to focus on what truly matters—creating memories during my travels.

Another appealing aspect of this water heater is its convenient size. With a capacity of 6 gallons and compact dimensions of 16 x 16 x 14 inches, it fits well in any indoor space of an RV or mobile home. This compact design does not compromise on performance, making it a smart choice for those who may be limited on space but still want a reliable source of hot water. I find that this makes installation straightforward and accessible, allowing me to have hot water readily available without extensive modifications to my RV.

In summary, the Dometic WH-6GEA RV Gas and Electric Water Heater is a market-leading choice for anyone needing a dependable and efficient hot water solution for their mobile lifestyle. Its quick heating capabilities, extended hot water availability, low maintenance requirements, and compact size make it a top contender in the market. If you’re looking to enhance your RV experience and ensure that you and your family enjoy the comforts of home on the road, I highly recommend considering this water heater. It truly has the potential to elevate your travel experience.

Feature	Description
Quick and Efficient Heating	Powerful burner system that heats water quickly, reducing wait times.
Extended Hot Water	Allows for longer showers and filling larger tanks.
Low Maintenance	Aluminum tank requires no anode rod, simplifying upkeep.
Convenient Size	6-gallon capacity with compact dimensions (16 x 16 x 14 inches).
Market-Leading Design	Top-of-the-line water heater designed for mobile applications.

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4. KINGRVER RV Water Heater 6 Gallon with Built-in Magnesium Anode Rod with Black Door,1440 W Electric 12000 BTU Propane Gas Dual Fuel, 3 Heating Modes, Spark Ignition

As someone who enjoys the freedom and adventure of RV living, I understand the importance of having reliable and efficient systems in place, especially when it comes to something as essential as hot water. The KINGRVER RV Water Heater is a game changer in this regard, providing not just any hot water solution, but a cutting-edge, dual-fuel option that enhances my overall RV experience. With its impressive features, this water heater is designed to meet the needs of modern RV users like myself.

One of the standout features of the KINGRVER RV Water Heater is its compatibility with older models. It maintains the traditional 13 x 13 inches opening and 15 x 15 inches door size, making it incredibly easy to replace older Suburban, Atwood, or Dometic units. This means that I can upgrade without the hassle of extensive modifications or compatibility issues. The comprehensive upgrades in heating modes, insulation, leak protection, and user experience make this unit not just a replacement, but an enhancement to my RV’s hot water system.

The dual-fuel capability of the KINGRVER is where I really see its value. With both a 12,000 BTU propane heating option and a 1,440W electric heating option, I can select from three rapid heating modes gas-only, electric-only, or a combination of both. This versatility is perfect for my travels, allowing me to adapt to different situations and environments. For instance, when I’m camping in a more remote area without electrical hookups, I can rely solely on propane. Conversely, if I’m connected to shore power, I can switch to electric for efficiency. The fact that it heats up twice as fast as traditional tank units is a huge plus, reducing the waiting time for hot water significantly.

Energy efficiency is another critical factor for me, and the KINGRVER RV Water Heater excels in this regard. The built-in heating element, surrounded by water within the tank, significantly improves thermal conductivity. Coupled with its 3 gauge EPDM foam insulation, it reduces heat loss to under 25% in 24 hours. This means I can enjoy hot water without worrying about excessive energy consumption, which is a win-win for both my wallet and the environment.

Additionally, the adjustable temperature settings are a feature that I appreciate. Unlike traditional RV water heaters that have fixed temperatures, the KINGRVER allows me to choose from three different settings. In the summer, I can opt for a lower temperature to avoid burns, while in the winter, I can crank it up for a cozy hot shower. This level of customization ensures that I can enjoy my showers comfortably, regardless of the season. Plus, the multiple safety features, including dry burn protection, water pressure protection, and overheat protection, give me peace of mind knowing that I’m using a safe and reliable product.

In summary, the KINGRVER RV Water Heater 6 Gallon with Built-in Magnesium Anode Rod is not just an upgrade; it’s a necessity for anyone serious about RV living. Its dual-fuel capabilities, energy efficiency, ease of installation, and safety features combine to offer an unparalleled user experience. If you’re considering a new water heater for your RV, I highly recommend giving the KINGRVER a shot. It’s a decision that could enhance your travels and ensure that you always have hot water at your fingertips.

Feature	Description
New-Generation Design	Maintains traditional opening size for easy replacement of older models.
Dual Fuel Options	12,000 BTU propane and 1,440W electric heating with three modes.
Rapid Heating	Heats water twice as fast as traditional units.
Energy Efficiency	Reduces heat loss to under 25% in 24 hours with superior insulation.
Adjustable Temperature Settings	Three settings for customized comfort in different seasons.
Safety Features	Includes dry burn, water pressure, and overheat protection.

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Why Replacing My 6 Gallon RV Water Heater Was a Game Changer

When I first purchased my RV, I was thrilled at the idea of having all the comforts of home on the road. However, I quickly learned that the 6-gallon water heater was not cutting it. With my family of four, hot water ran out faster than I anticipated, especially after a long day of hiking. Replacing my RV water heater transformed our camping experience, allowing us to enjoy long, hot showers without the worry of running out of hot water.

One of the major benefits I found after replacing my water heater was the improved efficiency. The newer models are designed to heat water faster and use less energy. I noticed a significant decrease in my propane usage, which is always a plus when you’re trying to keep costs down on the road. This upgrade not only saved me money but also gave me peace of mind knowing that I wasn’t wasting resources.

Additionally, having a reliable and efficient water heater enhanced our overall comfort and convenience. No more cold showers or waiting around for the water to heat up! I could enjoy a hot cup of coffee in the morning without feeling rushed, and my kids could take their time getting clean after a day of outdoor activities.

Buying Guide for 6 Gallon RV Water Heater Replacement

Understanding My Needs

When I decided to replace my 6-gallon RV water heater, the first step was understanding my specific needs. I considered how many people typically travel with me and how often I use hot water. It was essential for me to ensure that the replacement would meet my hot water demands while being efficient.

Types of Water Heaters

I learned that there are primarily two types of water heaters for RVs: tankless and tank models. The tank models, like the 6-gallon option, store hot water for immediate use, which I found convenient for quick showers and washing dishes. On the other hand, tankless heaters provide hot water on demand. I had to weigh the pros and cons of each type based on my usage patterns.

Energy Source Considerations

Next, I focused on the energy sources available for my RV water heater. My options included electric, propane, or a combination of both. Since I often camp in locations without hookups, propane became an attractive option for me. However, I also considered the efficiency of electric models when I have access to power.

Size and Capacity

For my 6-gallon water heater replacement, size and capacity were crucial factors. I measured the space in my RV to ensure that the new unit would fit perfectly. Additionally, I evaluated whether 6 gallons of hot water was sufficient for my needs during trips. I found that this capacity generally works well for my family, but it’s essential to consider your specific situation.

Installation Process

I looked into the installation process as well. Some water heaters could be installed easily by a DIY enthusiast like me, while others might require professional assistance. I assessed my skills and tools to determine if I could handle the installation myself or if I would need to call in a professional.

Price Range and Budget

Setting a budget was another important step in my buying journey. I researched the price range for 6-gallon RV water heaters and found a variety of options available. I made sure to consider both the initial cost and potential long-term savings on energy bills. Sticking to my budget helped me narrow down my choices significantly.

Warranty and Customer Support

Before making my final decision, I paid close attention to the warranty and customer support offered by different manufacturers. A solid warranty gave me peace of mind, knowing that I would be covered in case of any issues after installation. I also looked for brands known for responsive customer support, as I wanted help if I encountered any problems.

Reviews and Recommendations

Finally, I spent time reading reviews and recommendations from other RV owners. Hearing about their experiences helped me understand the strengths and weaknesses of different models. I found forums and online communities particularly useful for gathering insights and advice.

Final Thoughts

After thoroughly researching and considering all these aspects, I felt confident in my ability to choose the right 6-gallon RV water heater replacement. Taking the time to evaluate my needs, the types available, and other critical factors ensured that I made an informed decision that suited my lifestyle.

Author Profile

Jessica Fleming

Hi there! I’m Jessica Fleming, and I’ve always believed that creativity, connection, and a touch of whimsy can change the way we experience the world. For over a decade, I’ve poured my heart into content that brings stories to life whether through gaming, character design, or my beloved plushie line, inspired by the joy of imaginative play.

But in 2025, something shifted. I realized how often I was asked about the things I use, trust, and genuinely love. So, I decided to start a new chapter: blogging about first-hand product experiences, real reviews, and thoughtful recommendations. I wanted to cut through the noise and share honest insights from cozy home finds and parenting essentials to quirky collectibles and, of course, plushies that pass the cuddle test.

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