Primary Responsibilities: Installs, maintains, and repairs equipment such as steam valves, steam traps, steam or water coils, radiators, water softeners, unit heaters, condensate and circulating pumps, and plumbing facilities using hand and power tools of the plumbing trade such as pipe wrenches, hacksaws, pipe cutters, and torches. Maintains central steam, water and chemical water treatment systems, as well as other systems, using gauges and other test instruments to diagnose malfunctions and mechanic hand and power tools to disassemble, repair, and reassemble system components.