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19
Alternate Vent and Combustion Air-Inlet Pipe Through Roof
-B-
d
.008
Exhaust Vent
Short Piece of Pipe
Combustion
Air-Inlet
Slope horizontal pipe
upward 1/8 in. per foot
min.
# Min. 12 in. Above
Roof or above
Anticipated Snow
Level; which ever is
highest
and
Max. 24 in. Above
Roof (Without
Additional Support)
#
#
Terminals with 1/2 in. mesh
Protective Screens Inside.
Short Piece of
Pipe
Exhaust Vent
Vent Connector
Combustion
Air-Inlet
Rubber
Coupling
Wind
Vane
Min 6 in.
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