Pilot Light Goes Out In Wall Heater

So what s the problem.

Pilot light goes out in wall heater.

The flame will go out if the tube is clogged with dirt or debris. Other problems like low gas pressure a loose or faulty thermocouple or a gas control valve that s not working right can also cause the pilot light to keep going out. Thermocouples work by producing a small amount of voltage when it is heated. 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.

The number one reason why the pilot light keeps going out is the thermocouple either the thermocouple is going bad or it is dirty and needs to be cleaned. If your pilot light re lights easily after going out overnight it s possible it was blown out by a draft. In this hvac training video i show up close how the thermocouple pilot light and gas valve work on a water heater furnace fireplace as well as other ap. If the thermocouple is too far from the flame this can cause the pilot to go out and shut down the propane heater.

We know those issues are pretty vague. Thorough cleaning should do the trick. Another cause of a weak pilot is a faulty. Well if your gas furnace pilot light won t stay lit it s usually due to 1 of these 4 issues.

Call a service technician to repair these problems. If your gas furnace s pilot light keeps going out you re probably frustrated and cold. You can fix this easily by moving the thermocouple closer to the flame. This is the pilot flame that provides the heat.

A leak in the output duct of the furnace could cause air to blow into the area. Sometimes pilot lights go out because the flame is set too low. The owner s manual provides information for adjusting the flame. This can happen on excessively windy days or nights.

Keep every intake air register in your home open and clear to avoid a vacuum effect in the inlet. The pilot tube supplies gas to the pilot light for combustion.