How to adjust a pilot light.
Wall heater pilot light too high.
Gas input too high or not corrected for high altitude.
Main burner flame lazy and yellow also cause of combustion odors cause.
Lighting the pilot light on a gas heater is simple to do.
The initial flame of the pilot heats the thermocouple which will signal the valve to stay open and keep the pilot lit and the propane heater functioning.
Orifice may be oversized.
A proper pilot flame should be blue with a yellow tip and should be strong enough to cover about 1 2 inch at the end of the thermocouple tip.
Space to be heated too small.
Although they are gradually being replaced by electronic ignition devices pilot lights still provide the flame that ignites many gas appliances including water.
In order to continue to burn though a pilot light relies on a thermocouple which sends an electric signal.
You can fix this easily by moving the thermocouple closer to the flame.
Turn the thermostat to its lowest setting.
I have a 7000 mvlc robert shaw gas valve on my old wall heater i fixed the pilot flame from lazy yellow to blue with 0110 lp orifice and added a 1751 0013 converstion to lp but the.
If the thermocouple is too far from the flame this can cause the pilot to go out and shut down the propane heater.
The most common reason why a pilot light would start to burn yellow is that the air intake valve to the pilot light is clogged with dirt.
Regardless of the thermostat setting the pilot is heating the water.
Excessive gas input remedy.
This catch 22 can cause issues with your fireplace.
Answered by a verified hvac technician.
Adjusting the pilot light flame on a gas furnace is the best place to start if it appears that your furnace is not getting as hot as it used to or if it seems like the flame goes out a lot.
The heater won t operate properly if the pilot flickers is too weak or goes out and the cause could also be blockages in the pilot tube.
The pilot light on my water heater is too high.
If the flame is too strong and improperly adjusted it will be blue but may be noisy and lift off the thermocouple causing improper furnace operation.
This is a very simple process and will only take a couple minutes.
When this happens air will be blocked to the flame and it will suffer from incomplete combustion causing the yellow color.
If the pilot light is burning examine its color.
A pilot light provides a flame that powers appliances like water heaters furnaces and fireplaces.
Here is how to light the pilot light on a gas heater.
Another cause of a weak pilot is a faulty thermocouple.