How to Reset a Furnace? [Gas, Oil & Electric]

Furnace not working? You can try resetting it!

No matter if you have an electric, oil or gas furnace, you can find out how to reset them below.

Let’s get started.

How to Reset an Electric Furnace

1. Turn off the breaker in your circuit box that is powering your furnace.

2. Find the reset button on your furnace and then press it, if the button is protruding, then push down on it. Hold it down until it clicks.

The reset button should be located near your blower compartment.

3. Put the cover back on the blower compartment and turn the power back on. Your furnace will start once it receives a signal from your thermostat.

How to Reset a Gas Furnace

1. Turn the gas control to “off” so it turns off your pilot light

2. Put your thermostat to the lowest setting after your pilot light is out

3. If your gas furnace uses an electric igniter, turn off the circuit breaker that’s connected to your furnace.

4. Turn off your furnace’s main gas supply but leave your pilot light’s gas on.

5. Relight your pilot light with a lighter, match or with an electric igniter

6. Turn the power as well as the main gas line back on

7. Hold the reset button for 30 seconds and then release

Your gas furnace should now be reset.

How to Reset an Oil Furnace

To reset your oil furnace, all you have to do is press the reset button.

If your oil tank is empty, then you’ll need to bleed the fuel line and fill the tank again with oil.

To do so, do the following:

Step 1. Turn off your furnace and find the fuel pump. It should look like a small black box or have fuel lines inside of a circle.

Step 2. Find the bleeder valve. The bleeder valve should be on the side of the fuel pump.

Step 3. Put a pan underneath your bleeder valve, or run tubing from the valve into a plastic bottle that can hold more than a liter of oil/fuel.

Step 4. Turn your furnace on again and rotate your bleeder valve a half turn. This will start the bleeding process.

Continue bleeding the line and ensure that fuel is not overflowing into your plastic bottle. After this is done, press the reset button again.

What Does the Reset Button Do on a Furnace?

The red or yellow reset button that’s located in your furnace shuts down your furnace when any problems are detected.

The reset button is a safety feature that will turn off your furnace if it overheats or gets too hot before the circuit breaker is tripped.

Where is the reset button on furnace?

The reset button on your furnace is located inside the blower compartment near the blower motor.

Be careful as the heat from your furnace can cause the housing to be hot to the touch. If you find that the button is popped up, press it down.

Should I hit the reset button on my furnace?

If the button is popped up, you should hit the reset button your furnace.

The reset button is there to shut down your furnace before the circuit breaker trips. This is to prevent any damage from occurring to your furnace.

Feel free to press the reset button to get your furnace working again.

What causes furnace to not kick on?

One reason why your furnace is not starting after being reset is that the air filter is dirty. You can also look into the other 7 reasons why your furnace won’t turn on.

When to Call an HVAC Technician?

If you’ve restarted your furnace and it still won’t turn on, you can call our local HVAC technicians that will be able to fix your furnace no matter the issue.

Simply click the button below and get your free quote today!

About Roy Cohen

Roy Cohen has a burning passion for heating, cooling, and ventilation. He aims to help you save money on expensive repairs and bring you the best HVAC products. He has years of experience behind him in HVAC repair and garage maintenance.

You can find Roy at his LinkedIn or his email: [email protected]

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