Why does a gas flame burn blue?

You get a blue gas flame with a hydrocarbon gas when you have enough oxygen for complete combustion. When you do have sufficient oxygen, the gas flame appears blue because complete combustion creates enough energy to excite and ionize the gas molecules in the flame.

Why does a flame start blue?

When a flame is turned on, it may appear blue in color. This may be temporary and caused by a few factors: particles in the air such as dust, or an incomplete combustion, which refers to a possible lack of oxygen.

What color should a water heater flame be?

The flame of any natural-gas appliance should be blue in color (with maybe a little yellow at the very tip of the flame). The orange flame of your water heater indicates that the gas is not combusting efficiently, and it’s a sure sign that your heater needs adjustment or repair.

Is purple fire hotter than blue fire?

As things heat up and combustion becomes more complete, flames turn from red to orange, yellow and blue. And purple color is combination of red & blue color it means that blue fire is more hotter than purple fire.

Why does my gas water heater flame turn blue?

Sooting is caused by the water heater not burning properly. Have someone check the flame. Know what the color of your flame is telling you! Blue – Gas burners burn blue if the ratio of fuel to air is correct. Orange – Orange flame is usually dust or dirt getting burned, keeping watching it for a while it should turn blue.

What should the flame look like in a water heater?

Proper gas combustion and the burner flame. The main indicators of the proper gas combustion are the stable blue flame or blue flame with the yellow inner cones (see the picture). It is also OK to see the tip of the flame with a slightly yellow color.

What does it mean when your water heater is burning orange?

Filter by: The flame of any natural-gas appliance should be blue in color (with maybe a little yellow at the very tip of the flame). The orange flame of your water heater indicates that the gas is not combusting efficiently, and it’s a sure sign that your heater needs adjustment or repair.

How does a gas igniter work on a water heater?

Sort-of. First we ought to rule out a dangerous noise that can be heard when the gas furnace ignites. Properly when the thermostat calls for heat the igniter lights a pilot that then ignites gas when it is released into the burners.

What causes the Blue Flame on a cast iron water heater?

The manually adjustable air shutter is usually found on the cast iron burners, while the steel burners utilize the self-adjusting air mixture. The leading indicators of the proper gas combustion are the stable blue flame or blue flame with the yellow inner cones (see the picture).

Proper gas combustion and the burner flame. The main indicators of the proper gas combustion are the stable blue flame or blue flame with the yellow inner cones (see the picture). It is also OK to see the tip of the flame with a slightly yellow color.

Filter by: The flame of any natural-gas appliance should be blue in color (with maybe a little yellow at the very tip of the flame). The orange flame of your water heater indicates that the gas is not combusting efficiently, and it’s a sure sign that your heater needs adjustment or repair.

What should I do if my gas water heater flame is yellow?

If the flame is orange but goes back to full blue than your issue is minor. If your flame is more yellow than blue, than you need to call for help as this can be dangerous.