How to Easily Convert to Electric Water Heater: A Step-by-Step Guide.

To convert from gas to electric water heater, consult a qualified plumber and electrician. Consider factors such as electrical capacity and cost before making the switch.

Are you considering switching your water heater from gas to electric? It can be a great option for those looking to reduce their carbon footprint or who want a more efficient and safer way to heat their water. However, the process requires careful planning and installation by a qualified plumber and electrician.

In this article, we’ll discuss the factors you need to consider before making the switch, as well as the steps involved in the conversion process. Read on to learn more about converting from gas to electric water heater.

How to Easily Convert to Electric Water Heater: A Step-by-Step Guide.


Step 1 – Evaluate The Current Setup

How To Determine If Your Current Water Heater Is A Good Candidate For Conversion

Converting to an electric water heater might seem like a daunting task, but the first step is to evaluate your current setup to determine if it’s a suitable candidate for conversion. Here are the key points to consider:

  • Check the age of your current water heater: If your water heater is more than 15 years old, it may not be worth converting. Old tanks tend to have sediment buildup that causes inefficiency, higher energy bills, and higher risk of leaks.
  • Check the tank’s condition: If your tank has significant leaks or rusting issues, it may not be a good candidate for conversion. It is also important to check if the tank’s size is adequate for your needs.
  • Determine if there is enough clearance space: Electric water heaters are larger than gas-powered ones, so make sure there is sufficient clearance space for the unit.

By evaluating these factors, you can determine if your current water heater is suitable for conversion.

Steps To Take Before Beginning The Conversion Process

After determining if your current water heater is a good candidate for conversion, it is important to take these steps before starting the process:

  • Shut off power: Turn off the power supply to your current water heater before beginning the conversion process.
  • Turn off the water supply: Close the valve that supplies water to the tank.
  • Drain the tank: Connect a water hose to the drain valve at the bottom of the tank and drain the water. Remember to take safety precautions, as the water will be scalding hot.
  • Remove the tank: Remove the old water heater from its location and dispose of it properly.
  • Clean the installation area: Clean the area where you plan to install the new electric water heater, and ensure there is enough space to fit the unit.
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Following these steps before starting the conversion process can help ensure a smooth and safe transition to your new electric water heater.

Step 2 – Remove The Old Water Heater

Removing the old water heater is a significant step in converting to an electric water heater. You must follow the procedure to ensure a smooth transition. Here are the tools and materials you need and the proper methods of disposing of the old water heater.

Tools And Materials Needed To Safely And Efficiently Remove The Old Water Heater

You must have the necessary tools to remove the old water heater safely and efficiently. Here are the things that you need:

  • Drain pan
  • Pipe wrenches
  • Adjustable wrench
  • Screwdriver
  • Safety gloves
  • Safety goggles
  • Vacuum cleaner
  • Dolly
  • New water heater

Before you start removing the old water heater, put on your safety gloves and goggles to protect yourself from any hazards.

Proper Disposal Of The Old Water Heater

Now that you have removed the old water heater, you need to dispose of it correctly. Here’s what you can do:

  • Check your local regulations for the proper ways of disposing of old appliances.
  • Most cities have recycling programs that accept old water heaters, and some offer curb-side pickup services.
  • Contact the water heater manufacturer to see if they have a recycling program.
  • A scrap metal dealer might also be willing to take the old water heater.

By following the guidelines and using the right tools, you can safely remove your old water heater and ensure it is disposed of correctly. With this step completed, you are now ready to begin the installation of your new electric water heater.

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Step 3 – Install The New Electric Water Heater

Determining The Appropriate Size And Type Of Electric Water Heater For Your Needs

Choosing the right electric water heater is crucial to ensure that you have hot water whenever you need it. Here are some things to consider when selecting the appropriate size and type of electric water heater for your needs:

  • Calculate your household’s hot water needs based on size, usage, and peak demand. A general rule of thumb is that a 40-50 gallon tank is sufficient for a family of four.
  • Determine the appropriate type of electric water heater. There are two main types of electric water heaters: Tankless and tank. Tankless heaters provide hot water on demand and are better for smaller households with lower hot water demand, while tanks store hot water and are more suitable for larger households with higher hot water needs.

Steps To Safely Install The New Water Heater, Including Electrical Connections And Plumbing

Once you have selected the appropriate size and type of electric water heater, it’s time to install it. Follow these steps to safely install the new water heater and ensure that it provides hot water efficiently:

  • Turn off the power supply and water supply to the existing water heater.
  • Disconnect the old water heater from the electrical supply and plumbing connections.
  • Install the new electric water heater in the same location as the old one. Ensure that it’s level and securely fastened.
  • Connect the electrical wiring to the water heater. Use a cable clamp to secure the wiring to the junction box.
  • Connect the plumbing to the new water heater using heat-resistant pipes. Ensure that the pipes are secured tightly with pipe dope or teflon tape to prevent leaks.
  • Turn on the water supply to the new water heater and check for leaks. If there are no leaks, turn on the power supply to the new water heater.
  • Allow the water heater to fill completely before turning on any hot water taps or appliances. Let it run for a few minutes to ensure there’s no air in the system.
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Tips For Troubleshooting Common Issues During The Installation Process

While installing an electric water heater is a relatively straightforward process, there are some common issues that homeowners may encounter along the way. Here are some tips for troubleshooting these common issues:

  • If there’s no hot water, check the circuit breaker and ensure that the power supply is connected properly. If that doesn’t work, check the thermostat and heating element for damage.
  • If the water is too hot, check the thermostat and reduce the temperature accordingly.
  • If you notice leaks around the water heater, check the pipes and connections for damage or improper installation. Tighten any loose connections and replace any damaged pipes.
  • If you hear strange noises coming from the water heater, it could be due to sediment buildup in the tank. Drain the tank and flush it to remove any sediment buildup.

By following these simple steps and tips, you can easily convert to an electric water heater and enjoy hot water whenever you need it. Remember to always prioritize safety and seek professional assistance if you need it.


Switching from a gas water heater to an electric one can be a daunting task, but it comes with many benefits. Not only will you be reducing your carbon footprint, but you will also save money on your energy bills in the long run.

The process of converting may seem overwhelming at first, but if you follow the steps we’ve outlined, you’ll have a smooth and successful transition. Keep in mind that you’ll need the right tools, knowledge of local codes and permits, and potentially the help of a licensed professional.

But with a little bit of effort and patience, you can enjoy the benefits of an energy-efficient electric water heater in no time. Don’t hesitate to make the switch and experience the many advantages for yourself.


I am a mechanical engineer and love doing research on different home and outdoor heating options. When I am not working, I love spending time with my family and friends. I also enjoy blogging about my findings and helping others to find the best heating options for their needs.