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DIRECT VENT COLINEAR VENT EXAMPLES
Colinear Direct Vent - Insert Installation
Figure 19
Colinear Direct Vent - Pitched Roof Installation
Figure 20
Determining Minimum Vent Height Above the Roof
ROOF PITCH
H (Min.)
Flat to 6/12
12” (305 mm)
6/12 to 7/12
15” (381 mm)
Over 7/12 to 8/12
18” (457 mm)
Over 8/12 to 16/12
24” (610 mm)
Over 16/12 to 21/12
36” (914 mm)
Note:
Exhaust must be a mini
-
mum of 3” above air intake inlet.
WARNING
Major U.S. building codes specify minimum chimney and/or
vent height above the rooftop. These minimum heights are
necessary in the interest of safety. These specifications are
summarized in Figures 19 and 20.