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11 - INSTALLATION - Vent and combustion air
Figure 11-1 Side wall two
pipes (Direct venting).
Figure 11-4 Vertical
concentric (Direct venting).
Figure 11-5 Side wall
concentric (Direct venting).
Figure 11-2 Vertical two pipes
(Direct Venting).
Figure 11-6 Side wall (or
vertical in a roof) one pipe
venting, combustion air from
room (not Direct venting).
Figure 11-3 Side wall air
intake, vertical vent (Direct
venting).
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