UA Local 537 Pipefitters (Boston)

UA Local 537 Pipefitters (Boston): Pipefitter

A U.S. Department of Labor Registered Apprenticeship delivering paid on-the-job training in industrial pipe system installation and maintenance. Apprentices develop skills in high-pressure piping, blueprint reading, and systems testing under journey-level supervision, earning progressive wages toward a nationally recognized credential in the mechanical trades.

UA Local 537 Pipefitters (Boston): Refrigeration Mechanic

A U.S. Department of Labor Registered Apprenticeship delivering paid on-the-job training in commercial and industrial refrigeration system installation and maintenance. Apprentices develop skills in refrigerant handling, system diagnostics, and preventive maintenance under journey-level supervision, earning progressive wages toward a nationally recognized credential.

UA Local 537 Pipefitters (Boston): Steamfitter

A U.S. Department of Labor Registered Apprenticeship providing paid on-the-job training in steam and high-pressure piping system installation and maintenance. Apprentices develop pipe fitting, valve installation, and pressure testing skills under journey-level supervision, earning progressive wages toward a nationally recognized credential.