Attic insulation shield
must be used to keep
insulation away from
chimney.
Ceiling firestop
on floor of attic
Figure 3.10 Outside Air Inlet Locations
NO
NO
Outlet placed
higher than 3 ft
below the
termination cap
Figure 3.11 Outside Air Installation
Quadra-Fire • 7100 FP • 433-3610 Installation Manual • Rev G • 5/27/14
NO
Garage or
combustible
Attic space
liquids storage
UL181 Listed Class 0
or Class 1 metal flex or
rigid duct
3 ft. (91cm) min. from
top of uppermost
chimney section to
outside air inlet.
Locate outside air inlet
to prevent blockage
from leaves, snow/ice,
or other debris.
NO
Outlet blocked by
snow, leaves, etc.
17