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Do I need new combustion analysis after Adding Beckett Sound Cover

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Don_175
Don_175 Member Posts: 127
We have a Beckett AFG oil burner. I’d like to make it quieter. It is below our family room. The exhaust noise isn’t bad, but would like to decrease the mechanical sounds (whirring etc). If I add the sound cover, does the burner need to be tuned up again/adjusted because air flow might be different? Burner is running well presently. Thanks. 

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  • Steamhead
    Steamhead Member Posts: 16,904
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    Yes. Any time you change something on a burner you MUST re-test it. You never know what adding the cover will do.
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
    SuperTechjringel
  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 8,126
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    There may be a slight combustion air restriction. You will want to know if there is an increase in the Smoke Spot # of the flue gas.

    Edward Young Retired

    After you make that expensive repair and you still have the same problem, What will you check next?

  • SuperTech
    SuperTech Member Posts: 2,188
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    You definitely want to have it re-tuned with a combustion analyzer.  I know from experience that those burner covers definitely make a difference to how much air the goes to the burner.  I would consider adding an Air Boot to the cover as well,  then the burner will draw combustion supply air from the outdoors. This will help increase system efficiency and reduce drafts inside the home.
    jringelGreening
  • Greening
    Greening Member Posts: 10
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    We have a cover on our new Riello. It has a thin layer of insulation covering some of the inside. Can't believe how much it reduces noise but it works well.

    We just added a outside fresh air intake; that dropped noise a lot too. Highly recommended. There will be local codes around how that is installed.
  • Don_175
    Don_175 Member Posts: 127
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    One other question….when going to install the plastic cover, I can put the thermostat wire in the J channel on the metal plate of the sound guard. However, the armored cable for power to the oil burner comes in on the left from above. Can I just make a small hole in the back edge of the top of the plastic cover and slide in the BX cable?

  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 8,126
    edited April 30
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    They sell longer wires at the supply house.

    Or just drill the hole.

    This is not Rocket Surgery.

    Edward Young Retired

    After you make that expensive repair and you still have the same problem, What will you check next?