Dunkirk Helix VX Vertical Laser Tube Wall Hung Stainless Steel Modulating Condensing Boiler - Manual (Page 24)

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6.6 Venting Configurations
Various venting configurations can be applied to this boiler.
For guidance see Venting Configuration Table 7 and
corresponding figures.
Flue Gas Location
Combustion Air
Location
Flue Gas
Terminals
Corresponding Figures
Roof
Roof
Two Pipe figure 6-1
Concentric figure 6-7
Side Wall Single Pipe figure 6-8
Inside Air Single Pipe figure 6-9
Side Wall
Roof Single Pipe figure 6-10
Side Wall
Two Pipe figures 6-2, 6-3
Concentric figures 6-4, 6-5, 6-6
Inside Air Single Pipe figure 6-11
Table 7 - Venting Configurations
6 - COMBUSTION AIR AND VENT PIPING
NOTICE
Use of vent covers may cause freezing. If using
vent covers overall vent length must be considered.
Failure to heed this information may compromise
operation of this boiler.