6.7.2a
Examples vent and air supply systems (concentric)
Wall thickness for vent termination installation:
Minimum:
Maximum:
Short termination with wall terminal
Short termination with roof terminal
100mm / 4"
508mm / 20"
figure 11A
figure 12A
Examples wall terminals
Termination with wall terminal on higher level
Examples roof terminals
Termination with roof terminal and bends
figure 12B
figure 11B
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