Empire Heating Systems PVS18(N,P)-1 Owner's Manual And Installation Instructions page 29

Determining Minimum Vent Height Above the Roof
All vent components are supplied by the installer.
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
Single Flue - Vertical Vent Run
WARNING
Major U.S. building codes specify minimum chimney and/or vent
height above the rooftop. These minimum heights are neces-
sary in the interest of safety. These specifications are summa-
rized in Figure 46.
32084-1-0713
WALL FURNACE INSTALLATION
VENT EXAMPLES FOR SINGLE FLUE
H (Min.)
12" (305 mm)
15" (381 mm)
18" (457 mm)
24" (610 mm)
36" (914 mm)
Figure 46
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