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Heatilator • GB4336/GB4992 • 4003-085 Rev H • 04/06 11
Measured from top of hood (in inches)
3 - 12
13
14
15
16
17
18
13-1/4
14
14-3/4
15-1/2
16-1/4
17
17-3/4
30 in. minimum
to ceiling
0 - 3
9-3/8
Figure 3.3 Clearances to Mantels or Other Combustibles Above
Appliance
1 in. (25mm) min.
to perpendicular wall
A
3-1/2 in. (89 mm) min.
from fireplace opening
to perpendicular wall
B
48 in.
(1219 mm)
max.
Mantel Leg or
Perpendicular Wall
Top of
Appliance
Drywall
A
B
Figure 3.4 Clearances to Combustible Mantel Legs or Wall Projec-
tions (acceptable on both sides of opening)
D. Mantel Projections