Job Description: Installs, repairs and maintains all piping and devices required for the delivery of steam and return of condensate for heating and domestic use, including air separators, expansion tanks, domestic hot water heaters, valves, strainers and traps.Inspects and traces piping; cuts or breaks existing fittings and removes damaged and/or deteriorated segments of piping; threads new pipe under 4" in diameter to receive new fittings; and installs new fittings to reconnect replacement pipe under 4" in diameter or welds replacement piping over 4" in diameter to existing sound piping material.Installs, repairs and replaces underground pipes, pipes located in vaults and steam tunnels, and pipes concealed in floors, walls and ceilings.