Heatilator • CNXT4236IT-C, CNXT4842IT-C, CNXT4236IH-C, CNXT4842IH-C • 2208-900 Rev. B • 12/09
22
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 noncom-
bustible materials (i.e., steel studs, concrete board, etc).
MEASUREMENTS FROM
TOP EDGE OF THE OPENING
5
10
11
12
2-1/2
13
14
15
16
17
18
19
32
TO CEILING
9
10
11
12
8
7
6
5
4
3
25
18
Figure 5.3 Minimum Vertical and Maximum Horizontal
Dimensions
Note:
All
measurements
in inches.
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
Figure 5.4 Mantel Leg or Wall Projections (Acceptable on both
sides of opening)
Mantel Legs or Wall Projections