Empire Heating Systems PVS18N-3, Owner'S Manual And Installation Instructions

Page: 30 / 96

37873-0-0217 Page 30
Determining Minimum Vent Height Above the Roof
All vent components are supplied by the installer.
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)
Figure 49
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 49.
VENT EXAMPLES FOR SINGLE FLUE
WALL FURNACE INSTALLATION