Installs, repairs, and maintains a variety of uncomplicated heating equipment and systems, and receives developmental assignments working with complex heating boilers and/or heating systems, single and multiple fuel power boilers, and associated auxiliary and pollution control equipment. Skill in performing routine maintenance on small electric motors, feed pumps, and valves, including replacing brushes, seals, bearings, and repacking valves; servicing power sources and replacing items such as belts, fans, and fuses; installing, aligning, adjusting, and repairing oil, gas, and coal burners and other burning mechanisms as well.