Red Seal Gasfitter Class A Practice Questions - Red Seal Gasfitter - Class A Exam

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Under CSA B149.1, which class of gasfitter certification is required to install and service appliances with a total input rating that exceeds 120 kW (400,000 Btu/h)?

Class B gasfitter Class A gasfitter Domestic gas technician Restricted appliance installer

Correct Answer:

Class A gasfitter

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