How To Convert RV Water Heater To Tankless Basic Guide

Looking for an easy way to buy an RV water heater that is tankless? If you have recently decided to buy a tankless RV water heater, there are some important things you should know. The first and most important thing you should do is to ask yourself if the water heater is really what you need. You need to decide if you’ll be using a tankless water heater or even a tank model.

How To Convert RV Water Heater To Tankless 

 Now that you have converted to a tankless water heater, here are five steps to help you learn how to convert your RV water heater.  

RV Water Heater To Tankless
RV Water Heater To Tankless

How To Replace RV Water Heater With Tankless

  1. Before you do anything else, make sure that you turn off the water and propane connections and that all supply lines are disconnected.  Before you do anything else, make sure that you turn off the water and propane connections and that all supply lines are disconnected. If you don’t, you may find yourself turning the water off on your own house, which could cause costly damage to your property or to your RV itself. Make sure that you follow these rules before you do anything else on this project.
  2. Drain your current water tank  Everything in your RV is temporary. That means your RV water heater can only be used up and must be replaced by the time you use it up. So it’s important to replace the water heater when it’s time for you to move on to another place to live.
  3. Unscrew all of the fasteners that are holding your old water heater secure
  4. Carefully remove your old water heater  When you buy a new RV water heater, you’ll want to make sure that you have enough room underneath the sink to install your new water heater. Even if you don’t have an under-counter sink in your RV, you can still install your water heater above the counter. It’s not a difficult process, and it will increase the efficiency of your RV water heater.  
  5.  Put your new tankless water heater unit where the old one was and reconnect all the supply lines carefully. 

If you have any doubt about the safety of converting to a tankless water heater by yourself, please contact an RV professional and have a mechanic replace your RV hot water heater.

For the safety of your RV, you should never attempt to do something mechanical that you don’t feel confident in.

Benefits of the RV Tankless Water Heater

So why exactly should you convert to a tankless water heater?
Here are the three  best benefits of having  tankless RV water heater:

  • On-demand hot water  It’s possible to have hot water without a tank. You just need to be smart about it. There are two ways to convert your RV’s water heater from being tank-based to tankless, and you need to know how they work. This will help you determine which method is better for you.
  • Energy efficiency  Energy efficiency is important. It is also a great way to save on energy costs and protect the environment. When you’re converting an RV water heater to a tankless system, make sure that you choose the right unit for your needs.  
    • Space-saving  When you convert to a tankless water heater, you save water and money. In a tank water heater, the water is heated and then moved through a system of pipes called a heat exchanger. The heat exchanger is where most of the energy used to heat water comes from. In a tankless system, the hot water comes directly into your faucet without going through the heat exchanger. There are two main reasons that people are switching to tankless systems: space-saving. 
  • Longer Lifespan. Tankless water heaters are also known for their longer lifespan. While a high-quality tank water heater lasts about 10 years, a tankless model works twice as long.

Required Tools to Convert RV Water Heater to Tankless.  

Converting RVs to tankless water heaters is not a complicated process. It does not require any fancy tools. This can be done with a wrench, screwdriver, chisel, and hammer. Rags will be helpful to clean off the excess sealant.

RV water heater
RV water heater

RV Tankless Water Heater Maintenance

The tankless water heater has a longer lifespan than traditional storage one. There you mention that the annual maintenance of tankless water heating units is required. This maintenance helps descale the unit. Always disconnect all the electric water and gas supplies to the unit before beginning the maintenance process. Don’t touch anything until the unit cools down.  

Like residential ones, RV Tankless water heating units heat water in pipes using a heat exchanger. They work on either gas or electricity. Most RV owners use gas to fuel their RV tankless water heating system. The gas-fueled RV either runs on propane or natural gas.  

Different Types Of Tankless RV Water Heaters

most popular types of tankless RV water heaters

  1. Electric; It’s important to understand the difference between a tankless water heater and a standard electric water heater. A tankless water heater is an electric water heater that heats water as it passes through, instead of having a tank of hot water that you need to refill. If you already have a standard electric water heater in your home, you’re going to want to convert it over to a tankless water heater, because they save money on your hot water bill.  
  2. Gas; This type of tankless RV water heater will run on either kerosene or propane and is more economical than electric water heaters. 

Disadvantages of converting RV Heater to Tankless.  

  • They provide inconsistent and warm water.  
  •  It is not big, so it can only offer three to four gallons of water per minute.
  • When all hot water faucets are opened at the same time, you can expect to witness a sudden change of temperature in the water.

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