Gas Boiler Pilot Light Out

If something is obstructing the flue the pilot light can go out as the burnt gas has no way of escaping.

Gas boiler pilot light out.

Any combination of these parts failing can lead to a pilot light going out. The thermocouple is the copper rod the pilot flame directly hits. The gases will build up and extinguish the flame. And when this happens your thermocouple will shut off all gas flow to your furnace meaning your pilot light will go out for good and you won t even be able to manually light it.

If the thermocouple fails to shut off the gas all the gas flowing through the furnace could get into your home. There are so many reasons why a boiler pilot light can go out which is why once electrical ignition was developed most models moved over to this new technology. A heating system that is that old is likely to have many parts and components that have become dirty worn and inefficient through the years. However if the light goes out frequently there could be other issues.

If you smell gas don t continue to light the gas heater and call a professional heater repair person. This can happen for several different reasons including. Below is a list of reasons why this may be happening to your boiler. If you find that your boiler pilot light keeps going out and will not stay on there are several things you can check and fix.

If your gas or propane furnace has a standing pilot light there s a good chance that it is 20 years old. Lighting the pilot light on a gas heater is simple to do. If you have an older gas furnace with a pilot light there s a good chance that the light has gone out at some point or another. But if your thermocouple is broken dirty or not lined up properly it might not sense a pilot light s flame even when it s lit.

Turn the thermostat to its lowest setting. Some of the possible serious reasons for pilot lights to go out include loose or broken gas valves thermocouples or heat exchangers faulty venting low gas pressure or high winds. Your pilot light may be going out because it is simply dirty and filled with soot. Sometimes it s referred to as the flame sensor it s a safety mechanism that shuts the gas off should the pilot go out.

Turn the gas knob to the off setting and wait 5 minutes to clear out any gas.