Heatilator • CI60 • 4013-031 Rev M • 10/06
10
B. Clearances
0 in.
to floor
1 in. (25 mm) to side of appliance
(except at nailing flanges where it is 1/2 in. (13 mm))
1 in. (25 mm) to back
of appliance
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
Figure 3.2
Clearances to Combustible Materials
Note:
Chimney air kit is not shown, but required in Canada.
Fire Risk
• Comply with all minimum clearances to combustibles as speci
¿
ed.
• Framing
or
¿
nishing material used on the front of, or in front of, the
appliance closer than the minimums listed, must be constructed entirely
of noncombustible materials (i.e., steel studs, concrete board, etc.).
Failure to comply may cause
¿
re.
WARNING
¨