When does an electrically operated automatic vent ...

Gas Fitter 2 Practice Test

Question Number 27

When does an electrically operated automatic vent damper on a mid-efficiency furnace open?

A. Before the ignition cycle

B. When the furnace is hot

C. At the same time as the gas comes on

D. When the main switch is turned on

✔ Correct Answer:

A. Before the ignition cycle

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Gas Fitter 2 Practice Test

Question Number 27

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