- Read blueprints to determine locations, positions, and dimensions of boiler parts
- Install small, premade boilers in buildings and manufacturing facilities
- Lay out prefabricated parts of large boilers before assembling them
- Assemble boiler tanks, often using robotic or automatic welders
- Test and inspect boiler systems for leaks or defects
- Clean vats with scrapers, wire brushes, and cleaning solvents
- Replace or repair broken valves, pipes, or joints, using hand and power tools, gas torches, and welding equipment