Process Turn off the gas leading to your furnace. Open up furnace cover and look at the pilot light and thermocouple. Set both pieces on the towel (or some other soft surface which you can clean easily later. Use the wire brush to scrub the pilot light and thermocouple. Click to see full answer. Furthermore, is the pilot light supposed to stay on in a gas furnace?The color of a healthy pilot light flame can vary a bit depending on whether your furnace uses natural gas or propane as a fuel. If the pilot light is out, attempt to relight it. If the pilot light does not light or does not stay lit, then replace the thermocouple.Additionally, can a thermocouple be cleaned? If the Thermocouple is faulty it will cause the unit to shut down. How to clean? Remove Thermocouple from pilot assembly, using steel wool or emery cloth to lightly clean the tip removing any soot or build up that might have accorded due to an improper pilot flame. Also question is, how do you light a pilot light on a gas furnace? Once the gas has had time to dissipate, turn the knob to “Pilot.” Then, hold down the “Reset” button and bring the flame of a long lighter close to the pilot light opening. This should light the furnace pilot light. Once you are sure the pilot light is on, release your pressure on the reset button.How do you know if you have a bad thermocouple?If you can’t get the flame to light at all, and you’re sure the gas is on, there’s probably an obstruction in the pilot tube. If the flame lights and goes out when you release the gas control knob after holding it in for the recommended 20 to 30 seconds, that’s the sign of a thermocouple malfunction.
How do you clean the pilot light on a gas furnace?
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