Install or replace and connect water, air, natural gas, sewage, and water/storm fixtures such as sewage lines, water closets, lavatories, showers, sinks, gas heaters, stoves, air compressor equipment, shop hydraulic vehicle lifts, cooling towers, grease traps, garbage disposals, dishwashers, floor drains, condensate and drip pans, circulation systems for heating and cooling systems, and associated equipment and components. Install and repair domestic, industrial, and commercial hot water heaters, hot water storage tanks and plumbing fixtures, equipment, and components, including commodes, urinals, kitchen and utility sinks, water fountains, frost-proof hydrants, showers, bathtubs, lavatories, shower pans, garbage disposals, dishwashers, fan and air handler coils, valves, pumps, and associated equipment and components.