Quick Guide- Where Is The Furnace Fuse Located?

Furnace fuse can blow up due to dirt, water leak, valve failure, and more. So, you need to replace the furnace fuse to make it go back to normal. But how can you replace the fuse without knowing its exact location?

So, where is the furnace fuse located? It depends on the model and makes of the furnace. Usually, it’s located under the control box with the blower or at the top of the air handler.

However, if the furnace fuse isn’t working properly, how do you know it? You need to check the fuse and change it if there is any problem. So, let’s find out how to check and replace the furnace fuse.

What Is the Function of a Fuse in a Furnace?

There is no difference in the function of a fuse in a furnace. A fuse is a safety device designed to stop working if too much electricity passes through it and starts fires. The function of a fuse in the furnace is to protect the circuit from excessive current.

The fuse is a thin metal wire or strip of copper, zinc, silver, aluminum, or alloys. It melts when there is overheating in the circuit.

When the current goes past the melting point, it causes a lot of heat and makes it melt. And the current stops running through it, so no more electricity passes through it.

Furnace Fuse Location in Different Furnaces

Most of the furnaces come with a 3-5 amp furnace fuse to protect the transformer and circuit board from overload and short-circuit. Knowing where your particular furnace’s fuse is located is essential for servicing and troubleshooting problems.

Check this table to know where is the furnace fuse located:

Furnaces	Fuse Location
American Standard Furnaces	On the bottom of the electric box
Bryant Furnaces	At the top of the air handler
Amana Gas Furnaces	Attached to the burner housing side
Carrier Furnace Units	The lower compartment of the furnace
Daikin Furnaces	Outside of the motherboard unit
Goodman Gas Furnaces	The left side of the furnace
Lennox Furnace Units	On the bottom of the circuit board
Rheem Furnaces	Under the control board
York Furnace	In the control box

So, mostly the furnace fuse you can find is in the control box or motherboard unit. Go through the chart again and find your one now!

Frequently Asked Questions (FAQs)

Final Word

So, you got the concept now where furnace fuse is located usually, right? The furnace fuse is located under the control box with the blower. By identifying the location of the furnace fuse, you’ll be able to make sure it’s in proper working condition and can easily access it to reset it in case of an emergency.

The fuse will protect the system from blowing up from a power surge or something else that might damage it. If the fuse isn’t properly working and the system blows up, the entire unit will need to be replaced. Always remember to cut power to the fuse box before attempting to work with it.

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