What is the maximum gross volume for a Miniature Boiler?

The maximum gross volume for a Miniature Boiler is defined in regulatory standards that specify the categorization of boilers based on their size and capacity. In this case, the designation of 5 cubic feet as the maximum gross volume aligns with various industry guidelines that categorize a Miniature Boiler as such when it does not exceed this volume. This classification affects the safety requirements, installation standards, and operational procedures necessary for these boilers, ensuring that they maintain proper efficiency and safety during use.

Understanding the specific parameters that dictate the classification of boiler types is essential for compliance with safety regulations, installation practices, and operational management within hydronic and process piping systems. The correct answer reflects the recognized limit that separates miniature boilers from larger types, which would then have different codes and standards applied to them.