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How To Light A Wall Mounted Gas Heater?




Do you have a wall mounted gas heater in your home? These types of heaters are a popular choice for homeowners because they provide heat quickly and efficiently. However, if you’re new to using a gas heater, it can be intimidating to figure out how to light it properly.

Turn the gas valve on, set the thermostat to the desired temperature, and press the ignition button or use a long lighter to ignite the pilot light.

In this article, we’ll guide you through the steps to safely and easily light your wall mounted gas heater.

Before we get started, it’s important to note that safety should always be your top priority when dealing with gas appliances. If you’re unsure about anything or smell gas at any point during the process, stop immediately and call a professional.

With that said, let’s dive into the steps for lighting your wall mounted gas heater so you can stay warm and cozy all winter long!

Safety Precautions

Before attempting to light a wall mounted gas heater, it is crucial to take some safety precautions.

First and foremost, make sure the room is well-ventilated. Open any windows or doors to allow fresh air to circulate in the space. This will help prevent the build-up of carbon monoxide gas, which can be deadly if inhaled.

Additionally, before lighting the heater, ensure that there are no flammable materials near it. Keep any curtains, paper, or other combustible items away from the heater to avoid an accidental fire.

By taking these safety measures, you can minimize the risk of any potential harm while using your wall mounted gas heater.

Now that you have taken these essential safety precautions, let’s move onto the tools needed for lighting a wall mounted gas heater.

Tools Needed

After ensuring that all safety precautions have been taken, it is important to gather the necessary tools for lighting your wall mounted gas heater.

These tools include a long match or lighter, a flashlight, and gloves to protect your hands from any hot surfaces.

Once you have gathered these tools, you can proceed with the installation process of your wall mounted gas heater.

It is important to follow the manufacturer’s instructions carefully and take note of any specific requirements for your particular model.

By doing so, you can ensure a safe and efficient heating experience for yourself and your household.

Installation Process

I’ll start by measuring the area where the heater will be mounted. Then, we can assemble the parts for the heater. Finally, we’ll need to make sure the heater is securely attached to the wall.

Measuring The Area

Before installing a wall mounted gas heater, it’s important to measure the area where you want to put it. This will ensure that you choose the right size of heater and that it fits perfectly on the wall without any gaps or overhangs.

To do this, start by measuring the height and width of the wall where you want to place the heater. Then, take into account any obstacles such as windows or doors that may affect the placement of the heater.

It’s also important to consider the distance from the floor and ceiling to ensure proper ventilation and safety precautions are taken. By taking accurate measurements, you can ensure a seamless installation process without any issues down the line.

Assembling The Parts

Now that you have measured the area for your wall mounted gas heater, it’s time to move on to the next step of the installation process.

Assembling the parts is an important aspect of installing a gas heater as it involves putting together all the necessary components before mounting it on the wall.

This can include attaching brackets, fitting pipes, and connecting wires.

It’s essential to follow the manufacturer’s instructions carefully and ensure that each part is securely fastened to avoid any potential hazards or malfunctions in the future.

By taking this step seriously, you can ensure a safe and efficient installation process for your wall mounted gas heater without any mishaps along the way.

Securing The Heater

Once you have assembled all the parts, it’s time to secure the heater onto the wall. This step is crucial in ensuring that your gas heater stays in place and doesn’t fall off or become unstable.

Depending on the type of bracket provided, you may need to drill holes into the wall to attach them securely. It’s important to ensure that the brackets are level and at a safe distance from any flammable materials or objects.

Once the brackets are securely in place, you can carefully mount the gas heater onto them and make sure that it is level before proceeding with connecting any necessary pipes or wires.

Igniting The Pilot Light

Checking the Gas: We’ll need to make sure the gas is on before getting started.
Lighting the Pilot: Once that’s done, we’ll need to light the pilot.
Troubleshooting: If it doesn’t work, we’ll have to troubleshoot to figure out what went wrong.

Checking The Gas

Before attempting to light a wall mounted gas heater, it is crucial to check the gas supply.

First, locate the gas valve and ensure it is turned on.

Then, inspect the gas line for any cracks or leaks.

A simple way to do this is by using a mixture of soap and water and applying it to the gas line.

If bubbles appear, there is a leak present, and the gas should be shut off immediately.

It’s also important to make sure that there are no flammable objects near the heater before igniting the pilot light.

By taking these precautions, you can ensure that your wall mounted gas heater functions safely and efficiently.

Lighting The Pilot

Now that we have ensured the gas supply is safe and there are no flammable objects nearby, it’s time to move on to lighting the pilot.

To begin, locate the pilot light assembly, which is typically found near the bottom of the heater.

Next, turn the gas control knob to ‘pilot’ and hold it down while using a match or lighter to ignite the flame at the pilot assembly.

Keep holding down the control knob for about 30 seconds after igniting the pilot to give it time to heat up and stabilize.

Once you release the knob, make sure that the flame remains lit. If it doesn’t, repeat these steps until you have a steady pilot light flame.


Now that we have discussed how to ignite the pilot light, let’s move on to troubleshooting.

If the flame does not remain lit after releasing the control knob, there may be an issue with the thermocouple, which is a safety device that detects if the pilot light goes out and shuts off the gas supply.

Check to make sure the thermocouple is properly connected and clean.

If this doesn’t solve the problem, it may be necessary to replace the thermocouple or call in a professional for further assistance.

It’s important to address any issues with the pilot light before using the heater to ensure safe and efficient operation.

Troubleshooting Tips

If you are having trouble lighting your wall mounted gas heater, there are a few troubleshooting tips that you can try.

First, make sure that the gas supply valve is open and that the pilot light is lit. If the pilot light is not lit, follow the manufacturer’s instructions to relight it.

If the pilot light is lit but the heater still won’t ignite, check for any obstructions in the burner or venting system. Make sure that all vents and filters are clean and free of debris.

If everything appears to be clear, it may be time to call a professional to inspect and repair your heater.

Remember, safety should always come first when dealing with gas appliances. If you smell gas or suspect a leak, immediately turn off the gas supply valve and leave your home. Call your gas company or a licensed technician for assistance.


In conclusion, lighting a wall mounted gas heater is not a difficult task. However, it is crucial to take safety precautions very seriously to prevent any accidents. Always remember to turn off the gas supply and let the heater cool down before attempting to light it. Additionally, make sure that you have all the required tools handy before starting.

The installation process may vary depending on the type of gas heater you have. Therefore, it’s essential to read and follow the manufacturer’s instructions carefully.

Once you have installed the heater correctly, igniting the pilot light should be a breeze. Just follow the steps outlined in this article and be patient as it may take some time for the gas to flow through.

Lastly, if you encounter any issues while lighting your wall mounted gas heater, don’t panic! Troubleshooting tips are available in this article to help you solve common problems such as a faulty thermocouple or a clogged pilot tube. With these tips in mind, you can confidently light your gas heater and enjoy its warmth throughout the cold season.

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