Job Summary: The Plumber III installs, maintains, and repairs water, steam, condensate, pneumatic, fuel oil, natural gas, medical gasses, fire main, soil drain and sewer piping, valves, pumps, traps, regulators, distribution infrastructure and fittings in accordance with applicable codes and regulations. The Plumber II installs, maintains and repairs water, steam, condensate, pneumatic, fuel oil, natural gas, medical gasses, fire main, soil drain and sewer piping, valves, pumps, traps, regulators, distribution infrastructure and fittings in accordance with applicable codes and regulations.