Which component is NOT typically included on a boiler's identification plate?

The identification plate on a boiler serves as a crucial source of information about the unit, providing details that are necessary for safe operation, maintenance, and compliance with regulations. Among the common elements found on a boiler's identification plate are the rated steam capacity, which indicates the maximum amount of steam the boiler can produce, the manufacturer's serial number for tracking and warranty purposes, and the year the boiler was built, which can help in determining the age and expected lifespan of the equipment.

While the type of fuel used is important for understanding the operational requirements and efficiency of a boiler, it is not typically listed on the identification plate. This can be attributed to the fact that many boilers are designed to accommodate multiple fuel types or can be retrofitted for different fuels over their operational life. Therefore, the specification of a single fuel type may not be relevant or accurate at the time of later inspections or modifications.

Understanding what information is commonly excluded from the identification plate helps clarify the role of such documentation in maintenance practices and highlights the focus on essential operational information rather than specifics that might change over time.