Hot surface ignition is a common method used in gas burners to ignite the gas and produce a flame. In this system, a heating element or surface, typically made of ceramic or silicon carbide, is heated to a high temperature using electricity. When the gas valve opens, the gas is released and ignited by the hot surface, creating a flame.

Hot surface ignition is a reliable and efficient method for starting gas burners, as it does not rely on a pilot light or standing flame. It is also more energy-efficient than traditional ignition systems, as it only uses electricity when the burner is being ignited.

Overall, hot surface ignition is a safe and effective way to ignite gas burners and is commonly used in modern gas appliances.