1. *Installs, troubleshoots, repairs and replaces all types of plumbing fixtures, such as sinks, toilets, urinals, flush valves, bathtubs, faucets, water heaters, hot water tanks, garbage disposals, dishwashers and water softeners. Under general supervision the Plumber performs a variety of technical tasks related to installing, maintaining, troubleshooting and repairing heating, water and drainage systems, according to specifications and plumbing codes.