How To Replace A Gas Wall Heater

If you’re looking to replace your gas wall heater, it can be a daunting task. But fear not! With the right tools and knowledge, you can successfully install a new one in no time.

Before starting the process, make sure to turn off the gas supply and electricity to the existing unit.

Once this is done, remove the old heater from the wall and prepare for installation of the new one.

In this article, we’ll guide you through each step of replacing a gas wall heater so that you can stay warm and cozy all winter long.

Safety First: Turning Off Gas And Electricity

Before replacing a gas wall heater, it is important to prioritize safety by turning off both the gas and electricity.

First, locate the shutoff valve for the gas line connected to the heater. This valve is typically located near the unit or in a nearby utility closet. Turn the valve to the ‘off’ position and ensure that it is securely closed.

Next, turn off the electricity to the heater. Locate the circuit breaker that controls power to the unit and switch it off. It may be helpful to label this breaker for future reference. If you are unsure which breaker controls power to the heater, consult an electrician or refer to your home’s electrical panel diagram.

Always take necessary precautions when working with gas and electricity. Turning off these sources of power ensures that you can safely proceed with replacing your gas wall heater without risk of injury or damage.

Removing The Old Heater

With the decision to replace your gas wall heater made, it’s time to get started on removing the old one. This process may seem daunting, but with a few simple steps and some careful maneuvering, it can be accomplished in no time.

The first step is to turn off the gas supply to the heater. This is typically done at the main valve near your gas meter.

Once you’ve done this, allow any remaining gas in the lines to dissipate by leaving windows and doors open for a few minutes. Safety should always be your top priority when working with gas appliances.

Next, disconnect any electrical connections to the heater and remove any screws or bolts holding it in place on the wall.

Carefully lift the heater off its mounting brackets and set it aside. You may need to enlist the help of a friend or family member as heaters can be heavy and cumbersome.

With your old gas wall heater now removed, you’re ready to move onto installing your new unit. Stay tuned for our next section where we’ll guide you through this process step-by-step.

Choosing The Right Replacement Heater

When it comes to replacing your gas wall heater, choosing the right replacement is crucial.

There are a variety of options available, including electric, propane, and natural gas heaters.

You’ll want to consider factors such as energy efficiency, cost, and ease of installation when making your decision.

One option to consider is an electric heater.

Electric heaters can be less expensive to install than gas heaters and they don’t require venting or a chimney.

However, they can be more expensive to operate in the long run due to higher electricity costs.

Another option is a propane heater.

Propane heaters are generally more efficient than electric heaters and can be less expensive to operate than natural gas heaters.

However, they do require a storage tank for the propane and may require professional installation.

Ultimately, the right replacement heater for you will depend on your specific needs and preferences.

Take some time to research different options and consult with professionals if necessary before making your final decision.

Preparing For Installation

As you prepare for the installation of your new gas wall heater, it’s important to make sure that everything is in place. This means checking that all necessary tools and materials are on hand, and that any old equipment has been safely removed.

Think of it like a puzzle – each piece has to fit perfectly for the final picture to come together. Take the time to read through the installation instructions thoroughly, making note of any special considerations or safety precautions.

Remember, this isn’t just about getting heat into your home – it’s about keeping your family safe and comfortable for years to come. So take a deep breath, slow down, and focus on doing things right.

Once you’ve completed all necessary preparations, it’s time to begin the installation process itself. This can be a bit daunting at first, but remember that you’re not alone – there are plenty of resources available online or through professional services if you need help.

Just take things one step at a time, and before you know it you’ll have a brand new gas wall heater up and running in your home!

Installing The New Gas Wall Heater

Installing the new gas wall heater requires a few steps that must be followed carefully.

Begin by turning off the gas and electricity supply to the old heater.

Remove the old unit from the wall and inspect the wiring and piping for any damage or wear.

Next, assemble the components of the new gas wall heater according to manufacturer instructions. This may include mounting brackets, gas and electrical connections, and venting components.

Ensure everything is securely fastened before proceeding.

Once assembled, mount the new unit onto the wall using appropriate hardware.

Connect all gas and electrical lines, being careful to follow safety guidelines and local codes.

Finally, turn on the gas and electricity supply and test the unit for proper functioning.

Some helpful tips to keep in mind during installation include:

  • Always wear protective gear such as gloves and eye protection.
  • Consult a professional if you are unsure about any step in the process.
  • Check for leaks before turning on your new heater.
  • Follow all manufacturer instructions carefully.

By following these steps and taking necessary precautions, you can successfully install your new gas wall heater with confidence.

Enjoy your warm home!

Testing And Troubleshooting

After successfully installing the new gas wall heater, it is important to test and troubleshoot before using it regularly. This is because even a small mistake during installation can lead to safety hazards such as gas leaks or fires. Therefore, it is crucial to follow the manufacturer’s instructions carefully and seek professional help if needed.

To begin testing, turn on the gas supply and ignite the pilot light according to the instructions provided with your new heater. Observe the flame for any abnormalities such as flickering or a yellow color. If you notice any issues, turn off the gas supply immediately and call a professional technician to inspect your unit further. Additionally, check for any peculiar smells that may indicate a gas leak.

Once you have confirmed that your new gas wall heater is working correctly, run it for a few hours to ensure its efficiency and effectiveness in warming up your space. Take note of any unusual sounds or smells that may arise during operation.

Finally, keep up with regular maintenance by cleaning and inspecting your heater periodically to prevent any future issues from arising.

Maintenance Tips For Optimal Performance

Regular maintenance is key to keeping your gas wall heater in optimal condition.

One important tip is to clean the unit regularly. Dust and debris can accumulate inside the heater and cause it to work less efficiently, so be sure to wipe down the exterior and use a vacuum or brush attachment to remove any buildup on the inside.

Another important aspect of maintenance is checking for leaks. Gas leaks can be dangerous, so it’s important to inspect all connections and valves for any signs of damage or wear. If you notice any issues, contact a professional immediately.

Finally, don’t forget to schedule regular tune-ups with a qualified technician. A professional can check for any potential problems and make necessary repairs or adjustments before they become bigger issues.

By following these tips and staying on top of regular maintenance, you can ensure that your gas wall heater operates safely and efficiently for years to come.


In conclusion, replacing a gas wall heater requires careful attention to safety measures, including turning off the gas and electricity. Once the old heater is removed, selecting the right replacement model is crucial for optimal performance.

Preparing for installation and following proper installation steps will ensure a successful outcome. It may seem daunting at first, but with proper planning and execution, replacing a gas wall heater can be a straightforward process.

Imagine the warmth provided by your new heater on a chilly winter evening as you sit comfortably in your home. Don’t let outdated equipment compromise your comfort and safety – take action and replace that old heater today!