The subject pertains to the procedure for initiating a small, continuous flame within a furnace that serves as the ignition source for the main burner. This flame, typically fueled by natural gas or propane, ensures the furnace can efficiently and reliably provide heat when demanded by the thermostat. A malfunctioning or extinguished flame necessitates reignition to restore the furnace’s heating capabilities.
A properly functioning heating system is essential for maintaining a comfortable and safe indoor environment, especially during colder months. Relighting a pilot is often a necessary maintenance task, and understanding the correct method is crucial for avoiding potential safety hazards and ensuring efficient furnace operation. Historically, pilot lights were a standard feature in gas-powered appliances, providing a readily available ignition source, though newer systems often employ electronic ignition.