HVAC Decoder. If you are a homeowner, use this app to make sure your system matches the proposal given. If you are an HVAC tech, use this app to make sure your replacement equipment meets the standard requirement.
The burner in your gas furnace is ignited either by electronic ignition (as found in most modern furnaces) or with a pilot flame (common in older style furnaces). The gas furnace standing pilot (flame is lit all the time) is sometimes referred to as a pilot light, but no matter what you call it, its purpose