The technician is checking the operation of an ind...

NATE Gas Heating Exam Questions

Question Number 28

The technician is checking the operation of an induced draft furnace with an atmospheric burner and a direct ignition system. On a call for heat the sequence is what?

~Vent blower comes on~Igniter glows~Main burner does not light~The next check would be the gas supply and/or gas valve

✔ Correct Answer:

~Vent blower comes on~Igniter glows~Main burner does not light~The next check would be the gas supply and/or gas valve

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NATE Gas Heating Exam Questions

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