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Beckett burner ID help

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starter_hart79
starter_hart79 Member Posts: 3
in Oil Heating
Hey guys can anyone ID this very old Beckett burner? Trying to find out if the Beckett Z gauge will work on it. 

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  • SuperTech
    SuperTech Member Posts: 2,170
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    Looks like an AF to me. 
    starter_hart79
  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 7,873
    edited January 28
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    appears to be model AF. but the AFG also used that same housing. Th UL label is no help because that is the same lable for all the AF models. the rest of the model number will be based on the nozzle assembly and air tube length that is connected to it, along with the F head number.

    What do you need to know the model number for?

    So you need a replacement part?

    Edward Young Retired

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

    starter_hart79
  • SuperTech
    SuperTech Member Posts: 2,170
    edited January 28
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    AFG would have an air band and an air guide, air shutter and air band. 
    STEVEusaPAstarter_hart79
  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 7,873
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    This manual will have all the information you need for that burner.

    https://5476519.fs1.hubspotusercontent-na1.net/hubfs/5476519/Beckett Products/AF-AFG Oil and Renewable Fuels Burner - 0.40 to 3.00 GPH - AC Power/6104-AF-AFG-Burner_Manual_092120.pdf?__hstc=&__hssc=

    The actual burner air tube and assembly will complete the model number

    The MODEL 40 sticker is not a Beckett number. That number was probably placed on the burner by the OEM manufacturer to identify what burner was to go on a particular size boiler of furnace.

    Edward Young Retired

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

    starter_hart79
  • STEVEusaPA
    STEVEusaPA Member Posts: 6,505
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    Looks like it went under water.

    There was an error rendering this rich post.

  • starter_hart79
    starter_hart79 Member Posts: 3
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    EdTheHeaterMan said:
    appears to be model AF. but the AFG also used that same housing. Th UL label is no help because that is the same lable for all the AF models. the rest of the model number will be based on the nozzle assembly and air tube length that is connected to it, along with the F head number. What do you need to know the model number for? So you need a replacement part?
    Thank you for the quick reply, and the knowledge. I believe it is an AF. It’s attached to a very old boiler, and as i understand AFGs are not common on old systems. The reason i wanted to know the specific model was to determine if the Z gauge would work to set the electrodes and the nozzle distance. Also would be nice to know if i ever need parts. 
  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 7,873
    edited January 29
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    Page 5 of that manual has some of the model numbers based on the connected air tube
    For example if you burner is an AF model and has a F3 head and a 6-5/8" air tube the full model number would be AF65XN
    The OEM model numbers and specifications can be found in this booklet
    https://web.archive.org/web/20221016094203/https://www.beckettcorp.com/wp-content/uploads/6711-OEM-Residential-Oil-Spec-Guide.pdf. If that burner is on an old Bock Water heater model number 40E the complete model number would be AF56YH

    Edward Young Retired

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

    starter_hart79
  • HVACNUT
    HVACNUT Member Posts: 5,843
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    Is there a sticker on the left side of the housing by the nozzle line?
  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 7,873
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    starter_hart79 said:


    Thank you for the quick reply, and the knowledge. I believe it is an AF. It’s attached to a very old boiler, and as i understand AFGs are not common on old systems. The reason i wanted to know the specific model was to determine if the Z gauge would work to set the electrodes and the nozzle distance. Also would be nice to know if i ever need parts. 

    the Z gauge is the correct dimension for assembly position on all F head burners.

    The Z dimension is different on L and V head air tubes and is nt measured from the face of the nozzle but from the face of the retention HEAD (with the slots)

    I always kept a paper copy of this book on my truck, but you guys/gals have these digital things at your fingertips today. Good reference for other burners out there.

    Edward Young Retired

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

    starter_hart79
  • Steamhead
    Steamhead Member Posts: 16,861
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    @starter_hart79 , it's probably an AF, but we'd need to see the head to be sure. A long time ago, Beckett made a model A using the same chassis but with a non-flame-retention head. Once in a great while we run into one. There should be a label on the left side of the chassis near where the nozzle line is connected that will show the model.

    If the head looks like this:

    https://www.supplyhouse.com/Beckett-F6-F6-Replacement-Burner-Head-for-AF-AFG-SR-Series

    and it has a 3450-RPM motor, then it's an AF.
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
    starter_hart79
  • starter_hart79
    starter_hart79 Member Posts: 3
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    Steamhead said:
    @starter_hart79 , it's probably an AF, but we'd need to see the head to be sure. A long time ago, Beckett made a model A using the same chassis but with a non-flame-retention head. Once in a great while we run into one. There should be a label on the left side of the chassis near where the nozzle line is connected that will show the model. If the head looks like this: https://www.supplyhouse.com/Beckett-F6-F6-Replacement-Burner-Head-for-AF-AFG-SR-Series and it has a 3450-RPM motor, then it's an AF.
    I’ll have it apart tomorrow to replace the nozzle. I’ll take some pics of the head, and look for the label. Thanks for all the knowledge. Researching these online got very frustrating. 
  • HVACNUT
    HVACNUT Member Posts: 5,843
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    You can tell by the fan. The AFG has more vanes. It also has a fan shroud whereas the AF does not.

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