Secondary Combustion Air

Mtn Fire Posted By Mtn Fire, Jan 31, 2013 at 12:36 PM

  1. Mtn Fire

    Mtn Fire
    New Member 2.
    NULL
    

    Dec 12, 2011
    20
    0
    Loc:
    New Mexico
    Hello all,

    On the home-built Garn style boilers do they us a second air source for the secondary combustion refractory chamber? Or does it get combustion air from the firebox?

    If so, what is the approximate size of "nozzle" per 100,000 btu?

    thanks in advance,
     

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