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Technical description of the burner
3.9
Commercial boilers
The burner is suitable for operation on either flame-inversion boil-
ers or boilers with combustion chambers featuring flow from the
base (three flue passes) on which the best results are obtained in
terms of low NOx emissions.
The maximum thickness of the boiler’s front door must not ex-
ceed 8” (see Fig. 5).
3.10 Minimum furnace dimensions
The firing rates were set in relation to certified test boilers.
Fig. 6 indicates the diameter and length of the test combustion
chamber.
Example
Output 1388 MBtu/hr:
diameter 20 inch - length 4.9 ft
Fig. 5
8” max
D1079
D2918
Length (
ft
)
Fur
nace
dimen
s
ions
Diameter (inches)
Fig. 6
