10 Best Water Heater For Rv (2024 Update)

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If you're planning an RV trip, you'll need a reliable water heater to make your journey comfortable. However, searching for the perfect water heater for your RV can be a daunting task. There are a few factors to consider before making a purchase to ensure that you get the best value for your money.

Firstly, you need to consider the size of the water heater. RV water heaters come in different sizes, and choosing the right one depends on how many people will be using it and how much hot water you'll need. Secondly, you should consider the type of fuel the water heater uses. RV water heaters can run on propane, electricity, or both.

Thirdly, check the recovery rate of the water heater. This is the amount of time it takes for the heater to heat up the water after it has been depleted. Fourthly, you should consider the warranty period of the water heater. A good warranty period means that the manufacturer is confident in the durability of their product.

Lastly, you should consider the price of the water heater. While it's important to get a high-quality product, you don't want to break the bank. Finding a balance between cost and quality is important.

In summary, when searching for a water heater for your RV, consider the size, type of fuel, recovery rate, warranty period, and price. Taking these factors into account will help you make an informed decision and ensure that you have a comfortable, enjoyable trip.

10 Best Water Heater For Rv

1. New Suburban Sw6de 6 Gallon Dsi Electric Ignition/lp Lp And Gas Rv Motorhome Trailer Water Heater

The Suburban SW6DE 6 gallon DSI Electric Ignition/LP LP and Gas RV Motorhome Trailer Water Heater is a top-of-the-line product designed to provide hot water for RV enthusiasts. The water heater is a combination of electric and propane gas systems, allowing users to choose the most convenient and economical option for their needs.

The SW6DE model has a 6-gallon capacity, making it perfect for small to medium-sized RVs. It has a 12,000 BTU heat gas and 1440 watt electric heating system, ensuring that the water is heated quickly and efficiently. The electric ignition system eliminates the need for matches, making the water heater easy to use and more convenient for users.

The water heater's dimensions are 12.75" wide x 12.75" high x 19 3/16" deep, making it easy to install in most RVs. The cut-out dimensions are the same, so it is a simple replacement for older or damaged water heaters. The water heater's compact size ensures that it does not take up too much space in the RV, leaving more room for other essentials.

The Suburban SW6DE water heater is made with high-quality materials and designed to last for years. It has a porcelain-lined steel tank that resists corrosion and rust, ensuring that the water heater remains in good condition even after years of use. The tank also has an anode rod to prevent corrosion and extend the water heater's lifespan.

The water heater's LP gas system is easy to use and economical, making it a popular choice for RV enthusiasts. The electric system is ideal for use when the RV is connected to a power source. The water heater's dual system allows users to choose the most suitable option for their needs and save money on energy costs.

In conclusion, the Suburban SW6DE 6 gallon DSI Electric Ignition/LP LP and Gas RV Motorhome Trailer Water Heater is an excellent choice for RV enthusiasts looking for a reliable and efficient water heating system. It is easy to install, compact, and designed to last for years. With its dual system, users can choose the most economical option for their needs and enjoy hot water on the road.

2. Suburban Manufacturing Sw6de Rv Wtr Htr 1 Pk – 5239a

The Suburban Manufacturing SW6DE RV WTR HTR 1 PK – 5239A is a high-quality, reliable water heater designed specifically for recreational vehicles. It features a 6-gallon water tank and a powerful 12,000 btu rating, making it capable of providing hot water for all of your RV's needs.

One of the key features of this water heater is its insulation, which helps to keep water hot for longer periods of time. This is especially important when you're parked in a cold climate or when you need to conserve propane.

The Suburban Manufacturing SW6DE RV WTR HTR 1 PK – 5239A is also designed to be lightweight and easy to install. At just 32.9 lbs, it won't add unnecessary weight to your RV, and its compact design makes it easy to fit into tight spaces.

Another important feature of this water heater is its D- 12 Volt DC Direct Spark Ignition Gas Heating System. This system ensures that the water heater will start up quickly and reliably, even in cold weather conditions.

Overall, the Suburban Manufacturing SW6DE RV WTR HTR 1 PK – 5239A is an excellent choice for RV owners who want a high-quality and reliable water heater that can handle all of their hot water needs. Whether you're camping in the mountains or traveling across the country, this water heater is sure to provide you with the hot water you need to stay comfortable and clean.

3. Suburban Mfg 5243asw10de 10-G Direct Spark,elec Elmnt

The SUBURBAN MFG 5243ASW10DE is a high-quality water heater that is designed for indoor use. It is equipped with a direct spark ignition system that ensures reliable and efficient operation. The unit has a capacity of 10 gallons, making it suitable for small to medium-sized households.

One of the standout features of this water heater is its indoor switch for control and operation. This allows users to easily adjust the temperature and other settings without having to go outside or access the unit directly. The switch is conveniently located and easy to use, making it a great choice for homeowners who value convenience and ease of use.

The SUBURBAN MFG 5243ASW10DE is also designed with safety in mind. The direct spark ignition system ensures that the unit only ignites when it is supposed to, reducing the risk of accidents and other hazards. Additionally, the water heater is equipped with an electric element that helps to regulate the temperature and maintain a consistent flow of hot water.

In terms of dimensions, the SUBURBAN MFG 5243ASW10DE measures 20-1/2" in depth, 16-7/32" in width, and 16-7/32" in height. This compact size makes it easy to install in a variety of settings, including homes, apartments, and other residential spaces.

Overall, the SUBURBAN MFG 5243ASW10DE is a reliable and efficient water heater that is well-suited for indoor use. Its direct spark ignition system, electric element, and convenient indoor switch make it a great choice for homeowners who value safety, convenience, and ease of use. With its compact size and reliable performance, this water heater is a great investment for anyone looking to upgrade their home's hot water system.

4. Atwood | Dometic Wh-6ga Water Heater #94001bp | Rv Water Heater | Camper Water Heater

The Atwood | Dometic WH-6GA Water Heater #94001BP is a reliable and efficient water heater designed for use in recreational vehicles and campers. This product features a 10,000 BTU input, providing ample heating power to meet the needs of most users.

With a 6-gallon capacity, this water heater is ideal for small to medium-sized RVs and campers. The unit measures 12-3/4"H x 12-3/4"W x 19-7/8"D when cut out, which makes it easy to install in most vehicles. Additionally, this product does not require an anode rod, which means less maintenance and more convenience for users.

The Atwood | Dometic WH-6GA Water Heater #94001BP features an electronic ignition gas burner system, which ensures reliable and efficient operation. This system requires no pilot light, which means that users can save on propane and eliminate the risk of accidental gas leaks.

One important thing to note is that this product does not include a door. Users will need to purchase a compatible door separately to complete the installation. However, this does provide users with the flexibility to choose a door that best matches their RV or camper.

Overall, the Atwood | Dometic WH-6GA Water Heater #94001BP is an excellent choice for anyone in need of a reliable and efficient water heater for their RV or camper. With its powerful heating capabilities, convenient electronic ignition system, and low maintenance requirements, this product is sure to provide years of reliable service.

5. Suburban – 1236.2037 12 Gallon Gas And Electric Water Heater With Dark Spark Ignition

The Suburban 1236.2037 12 Gallon Gas and Electric Water Heater with Dark Spark Ignition is a reliable and efficient option for residential and recreational vehicle (RV) use. This water heater features a steel tank with porcelain lining that is resistant to corrosion and helps to maintain water quality.

One of the key features of this water heater is its anode rod, which protects against electrolysis. This process occurs when water and metal interact, causing the metal to corrode. The anode rod is made of a more reactive metal than the steel tank, so it attracts the corrosive elements and prevents them from damaging the tank. Regular replacement of the anode rod can extend the life of the water heater.

The Suburban 1236.2037 water heater is available with pilot or electronic ignition. The electronic ignition option is particularly convenient, as it allows for easy and reliable ignition without the need for a pilot light. The dark spark ignition system is designed to operate quietly and efficiently, providing reliable ignition for both gas and electric operations.

Combination gas and electric models are becoming increasingly popular, and the Suburban 1236.2037 water heater is one such model. This allows users to choose between gas and electric operation depending on their needs and preferences. The 12-gallon tank capacity is suitable for smaller households or RVs, providing an ample supply of hot water for daily use.

Suburban offers a three-year limited warranty on the tank of this water heater, providing customers with peace of mind and protection against any potential defects or issues. Regular maintenance and care can help to extend the life of the water heater beyond the warranty period.

Overall, the Suburban 1236.2037 12 Gallon Gas and Electric Water Heater with Dark Spark Ignition is a reliable and efficient option for those in need of a combination gas and electric water heater. Its anode rod, electronic ignition, and porcelain lining make it a durable and long-lasting choice for residential and RV use.

6. Dometic 10 Gallon Water Heater (Gas & Electric) Wh-10gea

The Dometic 10 Gallon Water Heater (Gas & Electric) WH-10GEA is an easy-to-install water heater that is perfect for those who want to enjoy hot water in their homes, RVs, or boats. This water heater is a great investment for anyone who wants to have a constant supply of hot water without the need for a large and complicated setup.

The product dimensions of the Dometic 10 Gallon Water Heater (Gas & Electric) WH-10GEA are 21"x15.75"x 15.75". At this size, the water heater is compact enough to fit into most spaces, making it a convenient addition to any home or recreational vehicle. Additionally, the cut-out dimensions of the water heater are 20.63" x 15.75" x 16.25", which means that it can easily be installed in most locations, including tight spaces.

One thing to note about the Dometic 10 Gallon Water Heater (Gas & Electric) WH-10GEA is that the door is not included. However, this is a small issue that can be easily rectified by purchasing a door separately.

The Dometic 10 Gallon Water Heater (Gas & Electric) WH-10GEA is a versatile water heater that can be used with both gas and electric power. This means that users can choose the power source that is most convenient for them, depending on their location and availability of resources. This feature is particularly useful for those who are using the water heater in an RV or boat, where power sources may be limited.

The Dometic 10 Gallon Water Heater (Gas & Electric) WH-10GEA is also designed for easy installation. This means that users do not need to be experts in plumbing or electrical work to install the water heater. Instead, the installation process is straightforward and can be completed by most people with basic DIY skills.

In conclusion, the Dometic 10 Gallon Water Heater (Gas & Electric) WH-10GEA is an excellent investment for anyone who wants to enjoy hot water in their homes, RVs, or boats. With its compact size, versatile power options, and easy installation, this water heater is a convenient and reliable solution for all your hot water needs.

7. Suburban 5321a Direct Spark Ignition (Dsi) 6 Gallon Advantage Water Heater – Saw6de

The Suburban 5321A Direct Spark Ignition (DSI) 6 Gallon Advantage Water Heater – SAW6DE is a reliable and efficient water heating solution designed for RVs, motorhomes, and other mobile living spaces. This water heater features a Direct Spark Ignition system that allows for easy and reliable ignition of the gas burner, ensuring that you have hot water whenever you need it.

One of the standout features of this water heater is its Incoloy Electric Element. This element is made from a high-quality, corrosion-resistant alloy that is designed to withstand the harsh conditions of RV and mobile living. The element provides an additional source of heat for the water heater, ensuring that you have hot water even when the gas burner is not in use.

To control the gas ignition, the Suburban 5321A water heater requires an inside-mounted switch. This switch, known as Switch 234589, allows you to easily control the gas ignition and adjust the water temperature to your desired level.

With a gallon capacity of 6, this water heater is ideal for small to medium-sized mobile living spaces. The input BTU/h/Watts of the water heater is 10,000/1440, which means it can produce a significant amount of heat while still remaining energy-efficient. The recovery gals./hr. (LP Gas) is 8.48, which means that the water heater can produce 8.48 gallons of hot water per hour using LP gas.

Overall, the Suburban 5321A Direct Spark Ignition (DSI) 6 Gallon Advantage Water Heater – SAW6DE is a top-of-the-line water heating solution for mobile living spaces. Its reliable ignition system, efficient heating capabilities, and corrosion-resistant electric element make it a great choice for anyone in need of hot water on the go.

Best Water Heater For Rv FAQs

Can I install an electric water heater in my RV?

Yes, you can install an electric water heater in your RV. However, it is important to ensure that the heater is compatible with your RV's electrical system and water supply. Electric water heaters come in various sizes and capacities, so it is important to choose one that meets your needs and fits in the available space in your RV. You may also need to consider the cost of installation and any modifications necessary to your RV's plumbing and electrical systems. It is recommended to consult with a professional RV technician or electrician to ensure that the installation is done safely and correctly. Additionally, you should be aware of the power requirements and potential limitations of your RV's electrical system to avoid overloading or damaging it.

How do I winterize my RV water heater to prevent freezing?

To winterize an RV water heater and prevent freezing, the first step is to turn off the heater and let it cool down. Drain the water from the heater by removing the drain plug and opening the pressure relief valve. Next, locate the bypass valve that diverts water away from the heater and turn it to the bypass position. This will prevent water from filling the heater during winterization. Finally, add RV antifreeze to the water system to protect against freezing. Connect a hose to the city water inlet and pump the antifreeze through the system until it flows out of all faucets, including the hot water taps. Once the entire system is filled with antifreeze, turn off the pump and remove the hose. With these steps, the RV water heater is winterized and protected from freezing during the cold winter months.

How much propane does an RV water heater consume?

The propane consumption of an RV water heater depends on various factors such as the size of the water heater, the frequency of use, and the temperature settings. On average, an RV water heater consumes around 10-12 gallons of propane in a week. However, this may vary depending on the usage and size of the water heater.

The propane consumption of an RV water heater can be reduced by using a tankless water heater, which only heats water when it is needed, rather than keeping a large tank of water hot all the time. It is also important to check for any leaks in the propane system, as leaks can cause a significant waste of propane.

To save propane, it is recommended to set the water heater temperature to 120 degrees Fahrenheit, which is the recommended temperature for most households. Additionally, taking shorter showers and only using hot water when necessary can also help reduce propane consumption.

Overall, the propane consumption of an RV water heater varies depending on several factors, but there are ways to reduce consumption and save money on propane.

What is the average lifespan of an RV water heater?

The average lifespan of an RV water heater can vary depending on several factors, such as the type of heater, the quality of maintenance, and the frequency of use. Generally, a well-maintained RV water heater can last anywhere from 5 to 15 years. However, if the heater is not properly cared for or is subjected to frequent use, its lifespan can be considerably shorter.

To extend the life of your RV water heater, it is important to regularly inspect and maintain it. This can include flushing the system regularly, checking for leaks or corrosion, and replacing any damaged or worn out parts.

In addition, it is important to use the correct type of water heater for your RV's specific needs. There are several types of RV water heaters available, including propane, electric, and hybrid models. Choosing the right one for your RV and using it correctly can help ensure that it lasts as long as possible.

What size water heater do I need for my RV?

The size of water heater you need for your RV will depend on how many people you're traveling with and how often you'll need hot water. A good rule of thumb is to buy a water heater that's at least 6 gallons in size. If you're traveling with just one or two people and don't need a lot of hot water, a 6-gallon tank should be sufficient. However, if you have a larger family or plan to use a lot of hot water, you'll want to consider a larger tank.

Another factor to consider is whether you want a gas or electric water heater. Gas heaters are more efficient and can heat water more quickly, but they require a propane tank. Electric heaters are easier to install and don't require a propane tank, but they can take longer to heat water.

Ultimately, the best size water heater for your RV will depend on your specific needs and preferences.

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