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National Board Number

Servicewiz_2
Servicewiz_2 Member Posts: 28
in THE MAIN WALL
Why is there a National Board Number on Packaged Boilers only? At least it seams that way! Any help or resources?
Thanks! SERVICEWIZ

Comments

  • DanHolohan
    DanHolohan Member, Moderator, Administrator Posts: 16,610
    Also on

    heat exchangers.
    Retired and loving it.
  • Waylon Lowery
    Waylon Lowery Member Posts: 57
    It is all governed and regulated by

    ASME. Requirements for Board Numbers actually depends on the size and type of boiler, water heater, or pressure vessel.

    For some light reading, get a hold of a copy of the ASME Boiler Code. Start with Sections IV HG and HLW.

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