Exam (elaborations)
OIL FURNACES EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+
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OIL FURNACES EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ What is the purpose of the primary controller in an oil furnace? The answer is IT CYCLES THE BURNER. The primary controller is an automatic safety device installed on every oil furnace to shut off the burner if ...
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