Replacing My 6 Gallon RV Water Heater: A Step-by-Step Guide from My Personal Experience

As an avid RVer, I know that a reliable water heater is essential for enjoying those long road trips and camping adventures. There’s nothing quite like taking a warm shower after a day of exploring the great outdoors, and for many of us, that comfort hinges on a well-functioning 6-gallon RV water heater. However, like any component in our beloved recreational vehicles, these heaters can wear out over time, leaving us in search of a replacement. In this article, I’ll share my insights on navigating the process of replacing a 6-gallon RV water heater, from understanding the signs of wear to exploring the best options available. Whether you’re a seasoned RVer or a newbie, I’m excited to help you ensure that your adventures are as comfortable and enjoyable as possible.

I Personally Evaluated The 6 Gallon RV Water Heater Replacement And Share My Honest Recommendations Below

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

When it comes to enjoying the great outdoors in my RV, I can’t overstate the importance of having a reliable water heater. The Suburban Advantage RV Tank Water Heater SW6D has caught my eye for numerous reasons. First and foremost, its 6-gallon porcelain-lined steel tank promises durability and longevity, which is crucial for anyone who spends considerable time traveling and camping. The robust construction of this water heater ensures that I won’t have to worry about frequent replacements, giving me peace of mind as I embark on my adventures.

One of the standout features of the SW6D is its impressive recovery rate of 10.2 gallons per hour. This means that even after a long day of hiking or exploring, I can count on having enough hot water for a refreshing shower or washing dishes without any long wait times. For someone like me, who values efficiency and convenience, this feature is a game-changer, especially when I’m traveling with family or friends. It allows me to maximize our time enjoying nature rather than waiting around for hot water.

The dimensions of the SW6D are also noteworthy. With a compact size of 12-11/16″H x 12-11/16″W x 19-3/16″D, it can fit into various RV designs without requiring extensive modifications. This is a significant advantage for RV owners who may be limited in space. Additionally, the rough opening requirements of only 12-3/4″ x 12-3/4″ make installation a breeze. I appreciate that I won’t have to deal with complicated installation processes, which can often lead to frustration and additional costs.

Another feature I find appealing is the Direct Spark Ignition (DSI) system. The remote switch that electronically controls the water heater adds a layer of convenience that I truly value. No more fiddling with matches or lighters; I can ignite the system with a simple flick of a switch. This feature enhances safety and ease of use, particularly when I’m on the road and want to ensure everything is functioning smoothly.

The gas input of 12,000 BTU is also noteworthy, providing sufficient power to heat water quickly. This allows me to enjoy hot showers even during cooler nights, making my camping experience much more enjoyable. Plus, with a unit net weight of 33.3 lbs when empty, and 81.9 lbs when full, it’s manageable for installation and maintenance without being overly cumbersome.

In summary, the Suburban Advantage RV Tank Water Heater SW6D seems like an ideal choice for anyone looking to enhance their RV experience. Its combination of durability, efficiency, and user-friendly features make it a standout option in the market. I feel confident that this water heater will not only meet my needs but exceed them, allowing me to focus on what truly matters—enjoying my time outdoors. If you’re considering an upgrade to your RV water heating system, I highly encourage you to look into the SW6D. It might just be the perfect fit for your adventures as well!

Feature	Details
Capacity	6 Gallons
Recovery Rate	10.2 Gallons/hour
Dimensions	12-11/16″H x 12-11/16″W x 19-3/16″D
Rough Opening Requirements	12-3/4″ x 12-3/4″
Gas Input	12,000 BTU
Weight (Empty)	33.3 lbs
Weight (Full)	81.9 lbs
Ignition Type	Direct Spark Ignition (DSI)

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2. 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 enjoys the freedom and adventure of RV living, I have come to appreciate the importance of reliable amenities that enhance my experience on the road. The Dometic WH-6GEA RV Gas and Electric Water Heater stands out as a fantastic option for anyone looking to ensure they have hot water readily available, whether for a quick shower after a long day of exploring or for washing dishes. With its impressive features, this water heater has proven to be a game-changer for my travels.

One of the most notable aspects of the Dometic WH-6GEA is its quick and efficient heating capabilities. The powerful burner system heats water swiftly, which means I no longer have to wait impatiently for hot water when I need it. The added electric heating element serves as a bonus, providing extra heating power when necessary. This dual-source capability ensures that I always have access to hot water, regardless of the situation. It’s especially convenient for those late-night showers after a day spent hiking or biking!

The extended hot water feature is another highlight. With a 6-gallon capacity, the Dometic water heater allows me to enjoy longer showers without the worry of running out of hot water too soon. This is particularly beneficial during those chilly mornings when a warm shower feels like a luxury. Whether I’m filling up a larger tank for washing or indulging in a relaxing shower, the Dometic WH-6GEA doesn’t let me down.

Maintenance can be a hassle with many appliances, but the Dometic WH-6GEA makes it easy. Its aluminum tank design eliminates the need for an anode rod, which means I spend less time worrying about maintenance and more time enjoying my travels. The thought of hassle-free upkeep is incredibly appealing, especially when I’m on the go and want to focus on my adventures rather than repairs.

Additionally, the compact size of the Dometic WH-6GEA makes it an ideal choice for RVs and mobile homes. With dimensions of just 16 x 16 x 14 inches, it fits easily into various indoor spaces without taking up too much room. This convenient sizing means that I can maximize my living space while still having a reliable source of hot water, which is essential for comfortable living on the road.

Overall, the Dometic WH-6GEA is a market-leading water heater that has proven itself to be a reliable companion during my travels. Its robust burner system, combined with the electric heating element, ensures quick access to hot water, which significantly enhances my RV experience. If you’re considering upgrading your RV water heater, I wholeheartedly recommend the Dometic WH-6GEA. It’s a smart investment that adds comfort and convenience to your adventures.

Feature	Description
Quick Heating	Powerful burner system heats water quickly, reducing wait times.
Extended Hot Water	6-gallon capacity allows for longer showers and filling larger tanks.
Low Maintenance	Aluminum tank design requires no anode rod for easy upkeep.
Convenient Size	Compact dimensions (16 x 16 x 14 inches) for easy indoor installation.
Market-Leading Design	Designed specifically for mobile applications, ensuring reliability.

In conclusion, the Dometic WH-6GEA is not just a water heater; it’s a vital addition to my RV that enhances my quality of life while traveling. I encourage anyone considering this product to take the plunge—your future self will thank you! With its combination of efficiency, ease of use, and maintenance simplicity, you will find that this investment pays off in comfort and convenience on the road.

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3. 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)

When it comes to the comfort and convenience of hot water in my RV, the ‘Suburban Advantage Direct Fit 6 Gallon Steel Tank Water Heater SAW6DE’ stands out as an exceptional choice. This product is specifically designed for RV enthusiasts like me, who value efficiency and reliability while traveling. With its direct spark ignition (DSI) system, I can enjoy instant hot water without the hassle of waiting. This feature is particularly appealing when I’m on the road, as it saves time and provides a level of comfort that enhances my overall experience.

One of the key features that I appreciate is the inclusion of the Incoloy electric element. This high-quality material is known for its durability and resistance to corrosion, ensuring that the water heater will last for years without significant maintenance. As someone who often uses RV facilities, having a reliable hot water source is crucial for everything from showering to cooking. The 6-gallon capacity is perfect for my needs, providing ample hot water for both everyday tasks and unexpected situations.

Another impressive aspect of the Suburban Advantage water heater is its heating efficiency. With an input of 10,000 BTU/h for LP Gas and 1440 Watts for electric heating, the recovery rate of 8.48 gallons per hour means that I can quickly replenish hot water after showers or dishwashing. This recovery speed allows me to enjoy longer showers without worrying about running out of hot water, which is a common concern for RV users. It’s a feature that significantly enhances the quality of life on the road.

The requirement for a switch (234589) for controlling the gas ignition is a small consideration, but it’s an essential one. Having an inside-mounted switch allows for convenient access and control, ensuring that I can easily manage the hot water system without venturing outside or dealing with complicated setups. This convenience is something I truly value, especially after a long day of exploring new destinations.

In summary, the ‘Suburban Advantage Direct Fit 6 Gallon Steel Tank Water Heater’ is designed with RV owners in mind, combining durability, efficiency, and ease of use. If you are someone who enjoys the freedom of the open road but doesn’t want to compromise on the comforts of home, this water heater is a wise investment. It not only enhances the overall RV experience but also provides peace of mind knowing that I have reliable access to hot water wherever I go. I can confidently say that this product is worth considering for anyone looking to improve their RV setup.

Feature	Description
Capacity	6 Gallons
Input BTU/h	10,000 BTU/h (LP Gas)
Input Watts	1440 Watts (Electric)
Recovery Rate	8.48 Gallons per Hour (LP Gas)
Element Material	Incoloy Electric Element
Switch Requirement	Requires Switch 234589

Ultimately, investing in the Suburban Advantage water heater could transform your RV experience, making it more enjoyable and comfortable. Don’t miss out on this opportunity to elevate your travels—consider making this purchase today!

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4. KINGRVER 6 Gallon RV Water Heater KINGRVER HyBridShower 6, Dual Fuel 1440 W Electric 12000 BTU Propane Gas, Spark Ignition, Black Door, Bulit-in Magnesium Anode Rod

As someone who has spent countless hours on the road, the importance of having a reliable and efficient water heater in my RV cannot be overstated. That’s why I am genuinely excited about the KINGRVER 6 Gallon RV Water Heater. This unit represents a significant leap forward in RV water heating technology, blending convenience, efficiency, and user-friendly features that will enhance my travel experience immensely.

One of the standout aspects of this water heater is its new-generation design. It retains the familiar 13 x 13 inches opening and 15 x 15 inches door size of traditional RV tank water heaters, making it a breeze to replace older models like Suburban, Atwood, or Dometic. I can confidently say that transitioning to the KINGRVER is not only simple but also offers comprehensive upgrades across various parameters such as heating modes, insulation, and leak protection. With this unit, I can expect an unprecedented level of performance that makes my adventures all the more enjoyable.

The dual fuel feature of the KINGRVER 6 Gallon RV Water Heater is a game changer. It provides both a 12,000 BTU propane heating option and a 1,440W electric heating option, allowing for three modes of operation gas-only, electric-only, and combined heating. This versatility means I won’t have to wait long for hot water, as it heats up twice as fast as traditional units. For someone like me, who values efficiency and convenience, the reduced waiting time for hot water is a significant benefit. It allows me to quickly refresh myself after a long day of exploring.

Another aspect that appeals to me is the ease of installation. The KINGRVER is designed for compatibility with older 6-gallon Suburban and Atwood RV models, retaining the necessary power compatibility for gas and electric heating. This means I can easily swap out my old unit without the hassle of extensive modifications. The inclusion of 1/2″ NPT inlet and outlet ports ensures that I can connect it without complications, making it a user-friendly option for RV owners.

Efficiency and energy savings are critical concerns for RV enthusiasts, and the KINGRVER does not disappoint. The built-in heating element is surrounded by water within the tank, which significantly improves thermal conductivity. The unit is wrapped in 3 gauge EPDM foam, reducing heat loss to under 25% in a 24-hour period. This not only offers superior insulation compared to other tank-type heaters but also lowers energy consumption during periods when hot water isn’t needed. This means I can save on energy costs while enjoying a reliable source of hot water.

Moreover, the KINGRVER HybridShower has three adjustable temperature settings, which is a feature that I find particularly beneficial. Unlike traditional water heaters with fixed temperatures, this flexibility allows me to tailor my shower experience according to the season. In summer, I can select a lower temperature to prevent burns, while in winter, I can crank it up for a cozy, hot shower. This level of customization makes a noticeable difference in comfort during my travels.

Finally, I appreciate that safety is a priority with this water heater. With features such as dry burn protection, water pressure protection, and overheat protection, I can have peace of mind knowing that I’m safeguarded against potential mishaps. The combination of these safety features alongside the efficiency and ease of use makes the KINGRVER 6 Gallon RV Water Heater an outstanding choice for anyone who enjoys RV living.

Feature	Description
New-Generation Design	Retains traditional opening size for easy replacement of older models.
Dual Fuel	Offers both propane (12,000 BTU) and electric (1,440W) heating options.
Rapid Heating	Heats water twice as fast as traditional tank units.
Easy Installation	Compatible with older 6-gallon Suburban and Atwood models.
Energy Efficiency	Built-in insulation reduces heat loss to under 25% in 24 hours.
Adjustable Temperature Settings	Three settings allow for temperature customization based on seasons.
Safety Features	Includes dry burn, water pressure, and overheat protection.

Overall, I wholeheartedly recommend the KINGRVER

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Why Replacing My 6 Gallon RV Water Heater Made a Difference

When I first noticed that my 6-gallon RV water heater wasn’t functioning as it should, I realized that replacing it was not just an option but a necessity. The old unit struggled to provide hot water during my trips, often leaving me with cold showers after a long day of exploring. By upgrading to a new model, I was able to enjoy consistent hot water, which greatly improved my overall camping experience.

One of the main reasons I chose to replace my water heater was efficiency. The new unit heats water faster and uses less energy, which is crucial when I’m off the grid. This not only saves me money on fuel but also extends the life of my battery, allowing me to enjoy my adventures longer without worrying about running out of power. I’ve noticed that my water heater now operates quietly, which adds to the peacefulness of my camping environment.

Additionally, a new 6-gallon water heater comes with modern features that enhance convenience. With adjustable temperature settings and improved insulation, I can customize my water temperature to my liking and maintain it for longer periods. This means that whether I’m washing dishes or enjoying a warm shower, I can do so without the hassle of waiting

Buying Guide for 6 Gallon RV Water Heater Replacement

Understanding Your Needs

When I first realized my RV water heater needed replacing, I took a moment to assess my needs. I considered how often I use hot water, the number of people traveling with me, and the climate conditions. Knowing that I wanted a reliable source of hot water for showers and washing dishes helped me narrow down my options.

Types of Water Heaters

I discovered there are two main types of water heaters for RVs: tank and tankless. The 6-gallon tank heaters are great for providing a steady supply of hot water, while tankless options heat water on demand. I weighed the pros and cons of each type to determine which would best suit my lifestyle.

Compatibility and Size

Before making a purchase, I measured the space in my RV where the water heater would be installed. Ensuring the new heater fits perfectly is crucial. I also checked the compatibility with my RV’s existing plumbing and electrical systems to avoid any installation headaches.

Energy Source

I found that RV water heaters typically run on propane, electricity, or a combination of both. I considered my RV’s current setup and the availability of propane at my destinations. This helped me decide which energy source would be most efficient and convenient for my travels.

Efficiency Ratings

I paid attention to the efficiency ratings of potential replacements. Higher efficiency ratings often mean lower energy costs and a reduced environmental impact. I wanted to ensure my new water heater would not only be effective but also economical in the long run.

Installation Considerations

Installing a new RV water heater can be a DIY project for those with experience, but it can also be a bit daunting. I decided whether I felt comfortable taking on the installation myself or if I needed to hire a professional. I researched what tools would be necessary and the steps involved in the installation process.

Warranty and Support

Lastly, I looked for a replacement water heater that came with a good warranty. A solid warranty can provide peace of mind, knowing that I am covered in case something goes wrong. I also made sure to check the manufacturer’s customer support options, as having assistance when needed is invaluable.

Final Thoughts

Replacing my 6-gallon RV water heater was a significant decision, and I took the time to consider all aspects thoroughly. By evaluating my needs, understanding different types of water heaters, and ensuring compatibility, I felt more confident in my choice. This guide helped me navigate the buying process, and I hope it helps you on your journey as well.

Author Profile

Jessica Lee

Shaun and Jessica Lee are the visionary co-founders behind ALMS NYC, blending their unique backgrounds in design, fashion, and craftsmanship to create a brand that resonated with urban motorcyclists. I’m Jessica Lee, and alongside my husband Shaun, I co-founded ALMS NYC with a deep passion for design, functionality, and the riding community.

Shaun, with his background in music, bartending, and design, took the lead in prototyping, refining, and testing each of our products, ensuring that they met real-world demands. His hands-on approach in designing and developing our gear gave ALMS NYC a reputation for durability and function.

Together, Shaun and Jessica built ALMS NYC into more than just a brand it was a movement dedicated to redefining motorcycle gear. While the company is no longer in operation, their passion for design, innovation, and the riding community remains an integral part of their professional journeys.

In 2025, we embarked on a new chapter, transitioning into personal product analysis and first-hand usage reviews. Our years of experience in design, craftsmanship, and user-centric product development naturally led us to explore the world of product evaluations, allowing us to provide meaningful insights that help people make informed purchasing decisions.

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