Hearth and Home Technologies I100 User Manual
Page 19
19
B. Clearances
WARNING! Risk of Fire! You must comply with all minimum air space clearances to combustibles as specified in Fig-
ure 6.2.
DO NOT pack required air spaces with insulation or other materials.
Heatilator • I100 • 35144 • Rev AG 7/12
Figure 6.2 Air Space Clearances
0 in.
from floor
Attic
Insulation
Shield
Ceiling Firestop
(ceiling)
(roof)
(attic)
(ceiling)
2 in. min.
(51 mm)
2 in. min.
(51 mm)
2 in. min.
(51 mm)
2 in. min.
(51 mm)
2 in. min.
(51 mm)
2 in. min.
(51 mm)
Must have 2 in. (51 mm)
minimum clearance
to header
Ceiling Firestop
Offset/Return with
hanger straps
Storm Collar
Roof Flashing
0 in. to level
of standoffs
1-1/2 in. (38mm) from
side of appliance
(except at nailing flanges
where it is 1/2 in. (13 mm)
1-1/2 in. (38mm) from
back of appliance