B. Clearances
WARNING! Risk of Fire!
You must comply with all minimum air space clearances to combustibles as specified in Figure 6.2. DO NOT pack re-
quired air spaces with insulation or other materials.Framing or finishing material used on the front of, or in front of, the
appliance closer than the minimums listed.must be constucted entirely of non-combustible materials (i.e., steel studs,
concrete boaed, etc.). Failure to comply may cause fire.
Figure 6.2
4/12
Storm Collar
Roof Flashing
2 in. min.
(attic)
2 in. (51 mm) min.
Ceiling Firestop
2 in. (51 mm) min.
36" from top to
enclosed ceiling
0 in. to level
of standoffs
0 in.
to floor
Clearances to Combustible Materials
2 in. (51 mm) min.
(51 mm)
Ceiling Firestop
(ceiling)
2 in. (51 mm) min.
Offset/Return with
(ceiling)
2 in. (51 mm) min.
1 in. (25mm) to side of appliance
(except at nailing flanges where it is 1/2 in. [13 mm])
433-1390K
Attic
Insulation
Shield
hanger straps
Must have 2 in. (51 mm)
minimum clearance
to header
Electrical wires must be 3-1/2: (89mm)
from top
Page 36