One of the advantages of using natural gas as a fuel in a boiler is:

Using natural gas as a fuel in a boiler has several advantages, and one of the significant benefits is that no storage space is required. Unlike solid or liquid fuels, natural gas is delivered through pipelines directly to the boiler, which eliminates the need for large storage tanks or silos that are often necessary for other types of fuel. This not only frees up physical space but also reduces the need for handling and maintenance associated with fuel storage.

The convenience of direct delivery allows for uninterrupted operation, which can enhance overall efficiency in managing the boiler system. Additionally, this aspect simplifies the logistics of fuel supply, as users do not need to worry about stock levels or the physical handling of fuel materials, as is the case with oil or coal.

Considering the other possible advantages, while natural gas can often be lower in cost and generally abundant, these factors can vary significantly based on market conditions and location. The idea that no standby fuel is necessary also has merit but is more situational depending on the application and regulatory requirements, making no storage space a more widely applicable and consistent advantage.