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

A Class B gasfitter is authorized to install and service gas appliances up to what maximum input rating?

100,000 BTU/hr (30 kW) 400,000 BTU/hr (120 kW) 1,000,000 BTU/hr (300 kW) Unlimited input

Correct Answer:

400,000 BTU/hr (120 kW)

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