Hearth and Home Technologies I100 - 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