This class covers fire-tube, water-tube, and package boilers and their appurtenances. This class includes boiler operation and safety in firing oil, gas, stokers, and pulverized fuels. This class explains requirements for good combustion and how to maintain them. It also includes maintenance and repair procedures on the boiler proper, including tubes, fans, air preheater, superheater, and economizers with stress on proper selection of materials and their location. Auxiliaries such as coal pulverizers and coal burners will be covered. (2 billable contact hrs)