Most modern gas furnaces have a burner that is ignited by an electronic ignition. Older style furnaces with an AFUE of <80% normally have a standing pilot flame meaning the flame is lit at all times. The standing pilot flame […]
Most modern gas furnaces have a burner that is ignited by an electronic ignition. Older style furnaces with an AFUE of <80% normally have a standing pilot flame meaning the flame is lit at all times. The standing pilot flame […]