Heatilator • Novus NDV Series • 4055-187 Rev J • 08/09
21
1 in. (25 mm) min.
to perpendicular wall
A
3-1/2 in. (89 mm) min.
from fireplace opening
to perpendicular wall
B
Mantel Leg or
Perpendicular Wall
Top of
Appliance
Drywall
A
B
D. Mantel and Wall Projections
:$51,1*5LVNRI)LUH
Comply with all minimum clear-
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material closer than the minimums listed must be construct-
ed entirely of non-combustible materials (i.e., steel studs,
concrete board, etc).
Measured from top of hood (in inches)
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
5
5-1/2
6-1/4
7
7-3/4
8-1/2
9-1/4
10
10-3/4
11-1/2
12-1/4
13
13-3/4
14-1/2
15-1/4
16
30 in. minimum
to ceiling
Figure 5.3 Clearances To Mantels Or Other Combustibles Above
Appliance
Figure 5.4 Mantel Leg or Wall Projections (Acceptable on both
sides of opening)
Mantels
Mantel Legs or Wall Projections
