SUMMARY: Installs, maintains and repairs stationary steam and hot water boilers, boiler house auxiliaries, industrial and commercial refrigeration systems and equipment by performing the following duties. ESSENTIAL DUTIES AND RESPONSIBILITIES include the following. Other duties may be assigned. Lays out reference points for installation of structural and functional components. Drills holes and installs mounting brackets and hangers into floor and walls of building. Lifts or hoists and aligns components into position. Screws, bolts, rivets, welds, and brazes parts to assemble structural and functional components such as motors, controls, switches, gauges, wiring harnesses, valves, pumps, compressors, condensers, cores, and pipes. Cuts, threads, and connects pipe to functional components and water or power system of premises. Pumps specified gas or fluid into system. Starts system, observes operation, reads gauges and instruments, and adjusts mechanisms such as valves, controls, and pumps to control level of fluid, pressure, and temperature in system. Dismantles malfunctioning systems and tests components. Replaces or adjusts defective or worn parts to repair systems. Insulates shells and cabinets of systems. Installs wiring to connect components to electric power source. Cleans or directs other workers to clean boilers and auxiliary equipment. Inspects and repairs boiler fittings such as safety valves, regulators, automatic control mechanisms, and water columns, and auxiliary machines such as pumps, draft fans, stokers, and burners. Replaces damaged boiler tubes and plates. Repairs or replaces high pressure piping. Patches boiler insulation with cement. Paints surface of equipment. Performs water pressure leak detection tests by pumping water into systems to determine location of leaks. Removes and replaces defective firebrick. Operates lathe and milling machine to repair or make parts such as valve stems and pump shafts. EDUCATION and/or EXPERIENCE: Two year certificate from college or technical school; or five to seven years journeyman level HVAC experience; or equivalent combination of education and experience. CLEARANCES, CERTIFICATIONS, TRAINING, ETC.: Valid driver's license and safe driving record. HVAC license/certification (Journeyman, Universal, CFC equivalent). Facility clearance including official background checks is required. MATERIALS AND EQUIPMENT: Ability to safely utilize, operate and maintain hand and power tools common to the trade. Knowledge of operation / installation of a variety of complete HVAC systems/equipment. | 
