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HVAC Oil Burner Test | 100% Correct Answers | Verified | Latest 2024 Version
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HVAC Oil Burner Test | 100% Correct Answers | Verified | Latest 2024 Version An up flow furnace - Has the return air at the bottom Of the six regular grades of fuel oil,The grade most commonly used in residential and light commercial heating systems is No. - 2 How much heat is produced whe...
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