It may be required if the furnace becomes overheated or if the electrical grid gets disrupted. Just hit the reset button again to get the heating system working again. However, if you press the restart button and your furnace turns off once again, pressing the reset button again can cause severe damage to your furnace.
Signs of a failing flame sensor include frequent cycling, the furnace not staying on, or the pilot light going out. Regular maintenance is important to ensure proper functioning and prevent failure. Professional inspection and cleaning can identify potential issues and extend the lifespan of the flame sensor. Sep 20, 2023
If you have a 27-year-old furnace, it may be time to think about replacing it. A furnace repairman may fix your problems temporarily, but they will only make them worse. A new furnace will save you money, but you'll be stuck with an old system that's not as efficient as the last one.