What benefit does an intermittent pilot system provide in boiler operation?

An intermittent pilot system in boiler operation is primarily beneficial because it reduces the amount of gas used. This system features a pilot light that only ignites when there is a demand for heat, meaning that it doesn’t stay lit all the time like a standing pilot light would. Consequently, during periods when heat is not required, the gas supply to the pilot is shut off, leading to significant savings in gas consumption over time.

This energy-saving feature is particularly advantageous in reducing operational costs and improving the overall efficiency of the boiler system. The intermittent pilot only operates when needed, ensuring that fuel is conserved while maintaining the ability to provide heat quickly when the thermostat signals a demand.

Other options focus on aspects that do not align with the primary purpose of an intermittent pilot system. For instance, while a steadier pilot light is beneficial for consistent operation, the intermittent nature means the pilot will not be continuously burning, which can lead to variations in flame steadiness during operation changes. Similarly, while the heating process can be somewhat expedited when the pilot lights up, the main focus here is on gas conservation. Preventing burner malfunction is a broad safety aspect associated with boiler maintenance but isn't a direct function of the intermittent pilot design.