DC Class 5A Boiler Operator 25 Horsepower or Less (328) Certification Exam

DC Class 5A Boiler Operator 25 Horsepower or Less (328) Boiler operations in DC facilities require certified oversight, and employers specifically seek Class 5A operators for low-capacity equipment oversight. The 328 exam verifies competency in safety protocols, pressure vessel management, and fuel-burning systems under 25 horsepower. Small building operations, hospitals, and service facilities depend on qualified operators to maintain compliance and prevent downtime. This credential directly addresses what hiring managers screen for.