Definition

Noun: A pilot burner is a small, continuously burning auxiliary gas flame. Its primary function is to ignite the main gas burner in an appliance, such as a furnace, water heater, or stove, when needed.

Usage

The term "pilot burner" is used specifically to describe the component in gas-fueled appliances that provides a constant, small ignition source. It is a technical term common in discussions of heating systems, appliance repair, and engineering.

Examples

• The furnace won't start because the pilot burner has gone out.
• Older water heaters often have a standing pilot burner that burns continuously.
• The technician relit the pilot burner to restore the hot water supply.

Advanced Usage

• Standing pilot: A type of pilot burner that remains lit at all times, common in older appliances. It is contrasted with an intermittent pilot or electronic ignition system which only activates when the appliance is turned on.
• Pilot light: This is a very common synonym for "pilot burner," specifically referring to the small, visible flame itself. While "pilot burner" can refer to the physical component, "pilot light" emphasizes the flame. (e.g., )

Variants and Related Words

• Pilot light (n): The small, steady flame produced by a pilot burner.
• Pilot (n): A shortened, informal form often used in context (e.g., ).
• Igniter (n): A more general term for any device used to ignite a fuel source, which can include a pilot burner but also refers to electronic sparkers.

Synonyms

• Pilot light
• Ignition flame
• (In context) Standing pilot

Antonyms / Contrasting Terms

• Electronic ignition: A modern system that uses an electric spark to ignite the main burner directly, eliminating the need for a continuously burning pilot flame.
• Main burner: The larger burner that produces the primary heat, which is ignited by the pilot burner.

Noun

1. small auxiliary gas burner that provides a flame to ignite a larger gas burner