Mantel And Wall Projections - Heatilator NBV3630I Owner's Manual

D. Mantel and Wall Projections
WARNING! Risk of Fire! Comply with all minimum clear-
ances as specifi ed. Framing or fi nishing material closer
than the minimums listed must be constructed entirely
of noncombustible materials (i.e., steel studs, concrete
board, etc).
Mantels
3
5
Figure 5.3 Minimum Vertical and Maximum Horizontal Dimensions of Combustibles
Mantel Legs or Wall Projections
Top of
Appliance
A 1 in. (25 mm) min.
to perpendicular wall
B 3-1/2 in. (89 mm) min.
from fireplace opening
to perpendicular wall
Figure 5.4 Combustible Mantel Leg or Wall Projections
(Acceptable on both sides of opening)
20
9
8
7
9-1/4
6
8-1/2
5
7-3/4
4
7
6-1/4
5-1/2
Measured from top of hood (in inches)
Drywall
A
B
Mantel Leg or
Perpendicular Wall
Heatilator • Novus B-Vent Series • 4055-188 • Rev G • 03/09
16
15
14
14-1/2
13
13-3/4
12
13
11
12-1/4
10
11-1/2
10-3/4
10
30 in. minimum
to ceiling
18
17
16
15-1/4