A healthy, properly burning flame on gas appliances should be blue in color , sometimes with a tiny tip of yellow, with a little light blue triangle at the center. This blue color flame indicates that there is safe, efficient and more complete fuel combustion.
What color is an efficient oil flame?
A yellow flame at bes gets no more than 75 percent efficiency, while a blue flame is supposed to get 90 percent combustion as the hot gases are pulled back around a baffle in the ignition area, preheating the oil so that it burns hotter and better. Thus, all the hydrocarbon is burned and there is no soot.
What color should the flame be on an oil burner?
A flame that is receiving the right mixture of air should have a white, chrome or blue color. Depending on the brand of oil burner, the flame could also appear light yellow .
What should the flame look like in my boiler?
When you look and see the flame inside your boiler it should be burning with a blue flame . If it is burning with a yellow flame, this could be a sign that carbon monoxide is being produce.
What causes orange flame on furnace?
When flames are yellow or orange it is a sign of dirt build up in the burner, or other possible issues. An unstable flickering yellow or orange flame is an indication that the furnace is not producing an appropriate mixture of gas and oxygen . Ignoring this sign can lead to a large gas leak and lead to disaster.
What does a good oil burner flame look like?
Look at the flame color on the oil burner as the collar is being moved. ... A flame that is dark yellow indicates less air. A flame that is receiving the right mixture of air should have a white, chrome or blue color. Depending on the brand of oil burner, the flame could also appear light yellow .
Are blue flames hotter?
Blue flames have more oxygen and get hotter because gases burn hotter than organic materials, such as wood. When natural gas is ignited in a stove burner, the gases quickly burn at a very high temperature, yielding mainly blue flames.
What does a lazy flame look like?
A low-burning, flickering orange flame , known as a “lazy” flame, is not hot enough to be efficient. A lazy flame usually has black tips or emits dark black smoke. ... This flame is receiving too much air and needs to be reduced. The proper flame is yellow, steady and solid, without flickering or wavering to either side.
What burns with a blue flame?
For example, copper produces a blue flame, lithium and strontium a red flame, calcium an orange flame, sodium a yellow flame, and barium a green flame. This picture illustrates the distinctive colors produced by burning particular elements.
What conditions result in a blue flame?
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.
What does orange light mean on boiler?
If your pilot light is yellow or orange, your boiler will not be operating at its most efficient. This, however, is the least of your worries, as a yellow or orange pilot light also has the potential to create carbon monoxide .
What Colour should the pilot light be on a boiler?
The color of the pilot light should be blue because that means that only natural gas—without any other condensates—is reaching the pilot light through the gas main. The principal chemical compound found in natural gas is methane, and methane burns blue.
How do I adjust the flame on my boiler?
All you will need to do is to twist the adjustment screw of the flame till the flame goes from one and half inches to two inches, which is about 4 to 5 centimeters high. Look for the adjustment screw on the pilot assembly close to the gas valve if the control valve has this adjustment feature.
What do you do when your gas flame turns orange?
If you see orange flames instead of blue flames, the burners may need cleaning or adjusting. The orange color alerts you to your gas stove’s improper combustion, which may emit unsafe levels of carbon monoxide gas .
What color flame is carbon monoxide?
Burners producing EXTREMELY high concentrations of carbon monoxide can burn blue . Conversely, burners producing little carbon monoxide can burn yellow. Carbon monoxide is a colorless, odorless, tasteless, non-irritating and highly poisonous gas at low concentrations.
What is the difference between a yellow gas flame and an orange gas flame?
What is the difference between a yellow gas flame and an orange gas flame? Yellow flame represents starved air flame. ... Orange flame represents burning of dust. No danger .
