Gas Heater Pilot Light Goes Out

The pilot tube supplies gas to the pilot light for combustion.

Gas heater pilot light goes out.

If the pilot doesn t relight if it goes out right after lighting or if it goes out repeatedly by far the most common cause is a bad thermocouple. When the pilot light goes out it does not leak carbon monoxide gas. If this pilot light ever goes out. Thorough cleaning should do the trick.

The pilot orifice may be full of dirt. A device called a thermocouple is heated by the pilot light flame. Use a slender needle to. Gas heaters whether they warm up air or water in a home rely on a pilot light to trigger the flame of the actual heater.

The problem is likely something similar to what we mentioned above such as a faulty or dirty thermocouple and it will need to be taken care of by a professional plumber. Sometimes the tube might be partially clogged and supplying very little gas for combustion no wonder your pilot light keeps going out. The flame will go out if the tube is clogged with dirt or debris. Cleaning out the pilot orifice means disassembling the pilot and clearing out the debris using a needle or compressed air.

Leaking natural or propane gas can create a serious explosion hazard. Another cause of a weak pilot is a faulty thermocouple. When the water heater pilot light goes out first try relighting it following the directions on the water heater label. Pilot light won t stay lit when you turn knob from pilot to on it goes out as soon as the knob pops up before you can turn it to on pilot light on my reliance 501 gas water heater won t stay lit when you turn it from light pilot to on it goes out as soon as the knob pops up.

Gas heater pilot light troubleshooting. 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 is supposed to be a strong blue cone not a weak yellow flame. A weaker flame won t envelop the thermocouple properly.

However if the light goes out frequently there could be other issues.