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6.7.2 b
Examples vent and air supply systems (parallel)
Horizontal with concentric termination
Vertical vent and horizontal air intake
Wall thickness for vent termination installation:
Minimum:
100mm / 4"
Maximum:
508mm / 20"
figure 16A
Vertical with concentric termination
figure 16C
Examples sealed combustions
Horizontal with parallel termination
12" OVER
MAX. SNOW
LEVEL OR 24"
WHICHEVER
IS GREATER
figure 16D
figure 16B
10" MINIMUM INSIDE EDGE
TO INSIDE EDGE
Vertical with parallel termination
figure 16E
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