Empire Comfort Systems Mantis Instructions D'installation page 15

VENT EXAMPLES FOR SINGLE FLUE
Determining Minimum Vent Height Above the Roof
Determining Minimum Vent Height Above the Roof
ROOF PITCH
Flat to 6/12
6/12 to 7/12
Over 7/12 to 8/12
Over 8/12 to 16/12
Over 16/12 to 21/12
Figure 15
Single Flue - Vertical Vent Run
with 45 degree elbows
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 sum-
marized in Figure 15.
31793-3-1015
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H (Min.)
12" (305 mm)
15" (381 mm)
18" (457 mm)
24" (610 mm)
36" (914 mm)
Page 15