Which type of ignition system is most commonly used in gas-fired burners?

The most commonly used ignition system in gas-fired burners is electronic ignition. This system utilizes electrical components to create a spark that ignites the gas as it flows from the burner. Electronic ignition systems are preferred for several reasons: they are reliable, efficient, and can reduce gas consumption as they only activate when the burner is called to operate. Additionally, they minimize the risk of gas leaks that can occur with other ignition methods since they do not require a constantly burning flame, such as a pilot light.

In contrast, glow plug ignition, which uses a heated element to ignite gas, is less common for standard gas burners due to its slower response time and the wear on the glow plugs over time. Pilot light ignition, while traditional, has been largely replaced by electronic systems because of efficiency and safety concerns; pilot lights require a small flame to remain lit at all times, which can waste gas. Mechanical ignition methods are not widely used in modern gas-fired burners as they involve more moving parts and potential maintenance issues. Therefore, electronic ignition stands out as the most efficient and reliable option for contemporary gas burner systems.