Exam (elaborations)
Troubleshooting Oil Heating Questions and Answers Already Graded A+
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Troubleshooting Oil Heating Questions and Answers Already Graded A+ When a flame retention head burner is used, the smoke level be adjusted for zero smoke The highest AFUE rated oil furnace that a technician is likely is encounter is 86.5 A pulsating sound coming from an oil furnace indic...
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