Heating element and Pilot burner

Heating element noun - The component of a heater or range that transforms fuel or electricity into heat.

Pilot burner and heating element are semantically related in gas burner topic. In some cases you can use "Pilot burner" instead a noun phrase "Heating element", when it comes to topics like laboratory gas burner.

Pilot burner noun - Small auxiliary gas burner that provides a flame to ignite a larger gas burner.

Heating element and pilot burner are semantically related in gas burner topic. You can use "Heating element" instead a noun phrase "Pilot burner", if it concerns topics such as laboratory gas burner.