Exam (elaborations)
OIL BURNER LICENSE EXAM | QUESTIONS & 100% CORRECT ANSWERS (VERIFIED) | LATEST UPDATE | GRADEA+
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OIL BURNER LICENSE EXAM | QUESTIONS & 100% CORRECT ANSWERS (VERIFIED) | LATEST UPDATE | GRADEA+ What is the first thing a tech should do when arriving at a no combustion call? Correct Answer: Ask how many times the customer reset the unit. What is the best long term solution for preventing ...
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