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Can a gas furnace cause a fire?

Can a gas furnace cause a fire?

Although it is possible for a gas furnace to either catch fire or explode, it’s highly unlikely. If there is a danger of this happening, the furnace will usually simply shut off—as it’s designed to. Regular maintenance will further reduce this already unlikely event.

How dangerous is furnace?

Furnaces Are The Most Likely Source for Deadly Carbon Monoxide Gas. Carbon monoxide is an invisible and scentless killer that kills dozens of people every year. Your furnace is one of the top sources for this deadly gas. While a working, tuned furnace won’t cause this problem, a malfunctioning one could.

What happens when you turn on a gas furnace?

Situation: You turn the thermostat up, the furnace ignites and the burner comes on. The furnace stays on for awhile (maybe 1 minute, maybe 10 minutes) and then goes out. The fan continues to run even though the flames and pilot light go out.

Why are the main burners not turning on?

Main burners did not turn on after a few minutes. I then tapped on the gas valve and what I think is a regulator a few times, and the main burners came on. I did not hear any valve open, but the flames were strong. The pilot light burns blue and strong the whole time.

Where does the gas go in a direct ignition furnace?

The gas valve sends gas to the main burner(s), which is lit by the pilot light. If you have a direct ignition furnace, you won’t have a pilot light. These furnaces skip steps 3-5 and instead light the burner directly. Your furnace will still have a flame sensor, but it will be over the burner’s flame.

What should I do if my furnace main burner ignites?

Solution: First, turn off the power to your furnace. Check all wires and ground wires to make sure they have good tight connections and are not burnt. Next, remove the screw or screws that hold your flame sensor in.

Main burners did not turn on after a few minutes. I then tapped on the gas valve and what I think is a regulator a few times, and the main burners came on. I did not hear any valve open, but the flames were strong. The pilot light burns blue and strong the whole time.

Situation: You turn the thermostat up, the furnace ignites and the burner comes on. The furnace stays on for awhile (maybe 1 minute, maybe 10 minutes) and then goes out. The fan continues to run even though the flames and pilot light go out.

The gas valve sends gas to the main burner(s), which is lit by the pilot light. If you have a direct ignition furnace, you won’t have a pilot light. These furnaces skip steps 3-5 and instead light the burner directly. Your furnace will still have a flame sensor, but it will be over the burner’s flame.

Solution: First, turn off the power to your furnace. Check all wires and ground wires to make sure they have good tight connections and are not burnt. Next, remove the screw or screws that hold your flame sensor in.