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Oil Burner License Exam 2024 Questions and Correct Answers 100% Verified.
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Oil Burner License Exam 2024 Questions and Correct Answers 100% Verified. 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 a clogged nozzle? -Correct...
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