Gasfitters – Class B design, install, test, adjust, maintain and repair lines, appliances, equipment and accessories in various sectors. Fuels may include natural gas, manufactured gas, liquefied petroleum gas, digester gas, landfill gas, biogas or a mixture or dilution of any of these gases and Hydrogen. Appliances and equipment include those that do not exceed 400 000 Btuh (British Thermal Units per hour) or 120 kW (kilowatts) such as boilers, burners, makeup air units, furnaces, process burners, and various other gas-fired equipment.
- April 2022: Transition Update (Year 4) All levels of the current (pre-2019) program have been phased out. Apprentices who completed Level 1 before 2019 are asked to contact their Apprenticeship Advisor before registering for Level 2.
- September 2018: Transition Plan (revised April 2022)
- March 2018: OPSN 2018 002.1 Program Changes
- OPSN Archives
- If you have any questions, please contact ITA Customer Service
Standardized Level Exam (SLE) Updates
SLE Weighting Charts