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Suburban* Water Heaters for RVs

Published and updated
Illustration of an RV water heater element highlighted within a recreational vehicle.

Introduction to Suburban Water Heaters

When you’re on the road in your RV, having access to hot water isn’t just a luxury—it’s a necessity. Whether for showering, washing dishes, or simply having warm water, a reliable water heater makes all the difference.

Suburban water heaters are popular for RV owners due to their reliability, variety, and quality. In this guide, we’ll explore the different types of Suburban RV water heaters, key features, maintenance tips, and troubleshooting advice to help you make an informed decision.

Types of Suburban Water Heaters

Suburban RV Water Heater Options

Suburban offers a wide range of water heaters designed specifically for RV use. These heaters are built to withstand the unique challenges of mobile living and provide consistent performance even under varying conditions. The two primary types are tank and tankless models, each with advantages.

Tank Water Heater: These traditional water heaters store and maintain a specific volume of water at a set temperature. They are available in various sizes, such as 6, 10, and 12 gallons, to suit different needs. The Suburban 6-gallon water heater is a popular choice for smaller RVs, offering a compact solution that still provides sufficient hot water for daily use. For those needing more capacity, the Suburban 10-gallon water heater or the Suburban SW12DE 12-gallon direct spark/electric water heater offers more volume and flexibility.

Tankless Water Heater: Tankless models, like the Suburban on-demand water heater, heat water as it flows through the unit, providing a continuous supply of hot water without the limitations of a tank’s capacity. This can be an excellent choice for larger families or those …or for those who have time to redesign the bathroom decor during an endless shower.

Suburban Advantage Water Heater

The Suburban Advantage water heater is a versatile model that combines the benefits of gas and electric power. This dual functionality allows for more flexibility, especially when traveling to locations with different energy sources. The Advantage model is available in several sizes, catering to different RV setups and user preferences.

Features:

– Dual gas/electric operation for versatility

– Quick recovery rate for continuous hot water

– Durable steel tank for longevity

Suburban Tankless Water Heaters

Tankless water heaters like the Suburban RV tankless water heater offer significant space savings and energy efficiency advantages. By heating water only when needed, these units avoid the standby heat losses associated with tank-style heaters. This makes them an excellent choice for those prioritizing energy efficiency and unlimited hot water supply.

Benefits of Tankless Water Heaters:

– Energy-efficient operation

– Endless hot water supply

– Compact design, ideal for RVs with limited space

Suburban Tankless Water Heaters

Tankless water heaters like the Suburban RV tankless water heater offer significant space savings and energy efficiency advantages. By heating water only when needed, these units avoid the standby heat losses associated with tank-style heaters. This makes them an excellent choice for those prioritizing energy efficiency and unlimited hot water supply.

Benefits of Tankless Water Heaters:

– Energy-efficient operation

– Endless hot water supply

– Compact design, ideal for RVs with limited space

Suburban 6-gallon Water Heater:

Ideal for smaller RVs or limited hot water needs, this model provides reliable service in a compact size. It’s an excellent choice for those who value simplicity and efficiency.

Suburban 10-gallon Water Heater:

For RVs with more space or higher hot water demands, the 10-gallon model offers a balanced solution. It provides more hot water without a significant increase in size or weight.

Suburban SW12DE 12-Gallon Water Heater: 

This model combines the benefits of a larger tank with the convenience of direct spark ignition and electric heating. It’s perfect for RV owners who want maximum capacity and versatility in their water heater.

Essential Components and Parts of Suburban RV Water Heaters

The Suburban RV water heater anode rod is a critical component that helps prevent corrosion inside the tank. Over time, water and heat can cause the tank’s metal to corrode, leading to leaks and premature failure. The anode rod, made of magnesium or aluminum, attracts corrosive elements, effectively “sacrificing” itself to protect the tank

How to Check and Replace the Anode Rod:

1. Turn off the water heater and disconnect the power.

2. Locate the anode rod, typically at the top of the tank.

3. Unscrew the rod using a socket wrench (check here for sizing).

4. Inspect the rod for significant corrosion or depletion.

5. Replace it with a new one if necessary.

Regularly checking and replacing the anode rod can significantly extend the life of your Suburban RV water heater.

Upgrading to a Powered Anode Rod

Powered anode rods for RVs benefit suburban water heater owners by providing superior corrosion protection without replacement. They use a consistent electric current to prevent rust and mineral buildup inside the tank. This results in extended water heater lifespan, reduced maintenance costs, and improved efficiency, especially in areas with hard water. Powered anode rods also help prevent rotten egg smell, leaks, and sediment buildup. Ultimately, these rods save consumers money in the long run while keeping their water heaters running smoothly.

Suburban Hot Water Heater Elements

The heating element is another crucial part of your water heater. Over time, mineral buildup or wear can cause the element to fail, leading to inadequate heating.

Tips for Replacement and Maintenance:

– Regularly inspect the heating element for signs of damage or wear.

– A water softener reduces mineral buildup in a hard water area.

– Follow the manufacturer’s guidelines for replacement parts to ensure compatibility.

Other Essential Parts and Accessories

In addition to the anode rod and heating elements, several other parts are essential for the optimal operation of your Suburban RV water heater. These include:

Thermostats: Control the water temperature and prevent overheating.

Pressure relief valves: Release pressure if it becomes too high, preventing tank damage.

Switches and thermostats: Ensure proper operation and safety.

Where to Buy Genuine Suburban Water Heater Parts

To maintain your water heater’s warranty and performance, always buy genuine Suburban water heater parts for your RV. These are available through authorized dealers, RV supply stores, and online retailers.

Maintenance and Troubleshooting Tips

General Maintenance Tips for Suburban Water Heaters

Drain and Flush the Tank: Regularly draining and flushing your tank removes sediment buildup, which can reduce efficiency and damage internal components.

Inspect the Anode Rod: Check the anode rod at least once a year and replace it when it becomes heavily corroded or depleted.

Clean the Burner Assembly: For gas models, ensure the burner assembly is clean and free of debris to ensure efficient operation.

Check for Leaks: Regularly inspect connections and valves for any signs of leaks, addressing them promptly to prevent damage.

Troubleshooting Common Issues

Even with regular maintenance, issues can occasionally arise. Here are some common problems and their solutions:

No Hot Water:

  – Check the power source (electric or gas).

  – Inspect the thermostat and heating elements for faults.

Water Heater Leaks:

  – Check connections and valves.

  – Inspect the tank for corrosion or cracks.

Water Takes Too Long to Heat:

  – Clean the burner or heating elements.

  – Flush the tank to remove sediment buildup.

When to Consult the Suburban RV Water Heater Manual

For more specific troubleshooting steps, always refer to the Suburban RV water heater manual or the Suburban tankless water heater manual. These manuals provide detailed instructions and safety information tailored to your specific model.

Cost and Pricing Information

Pricing Overview

The cost of a Suburban RV water heater can vary significantly based on the model and features. On average:

6-Gallon Models: $300 – $500

10-Gallon Models: $400 – $600

12-Gallon Models: $500 – $700

Tankless Models: $800 – $1,200

Factors influencing the price include size, power source (electric, gas, or dual), and additional features like electronic ignition or recovery rates.

Where to Buy Suburban RV Water Heaters

Suburban water heaters are available through a variety of retailers. Some recommended options include:

– RV supply stores (both brick-and-mortar and online)

– Large online marketplaces like Amazon or Camping World

Authorized Suburban dealers for genuine parts and warranty service

FAQs About Suburban Water Heaters


What is the best Suburban water heater for my RV?

The best Suburban water heater depends on your specific needs, such as the size of your RV, the number of occupants, and your hot water usage. A 6-gallon model may suffice for smaller RVs, while larger RVs or those needing more hot water may benefit from a 10- or 12-gallon model or even a tankless option.


How do I replace the anode rod in my Suburban RV water heater?

First, turn off the water heater and disconnect the power to replace the anode rod. Then, locate the anode rod at the top of the tank, unscrew it, and inspect it for corrosion. If necessary, replace it with a new one.

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