A thermocouple is a small electrical component that detects if your pilot light is lit or not.
It is an essential safety component on your oil furnace.
When you light your pilot light, the heat will send voltage through the thermocouple to keep the gas line open. When there is no heat from the pilot light, the thermocouple loses its voltage in addition to closes the gas line to your oil furnace. The pilot light ignites the oil furnace, in addition to without it, there would be a buildup in gas which would cause an explosion in addition to a buildup in carbon monoxide. A control component is not built to last longer love your Heating in addition to A/C unit. Regular repair tune-up will help protect you from carbon monoxide gas leaks in addition to explosions in your oil furnace. The regular repair tune-ups from the Heating in addition to A/C servicemen will take care of your thermocouple as they will wash it to function correctly. When you have a dirty thermocouple, it will provide inproper readings. This means that it will shut off the gas supply to your oil furnace or prevent gas from reaching your oil furnace. A thermocouple wire may become loose occasionally in addition to will need to be calibrated. To prevent most concerns with your thermocouple, correctly change your air filters in addition to schedule annual tune-ups to your oil furnace. When your thermocouple malfunctions, you can do a visual inspection to check whether your thermocouple is discolored in addition to if there are cracks, you can also visually inspect if there are missing wires or there is a faulty linkor. A faulty linkor will provide wrong readings to your thermocouple. Regularly checking in addition to repair will ensure your oil furnace serves you better for longer.