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B. Clearances to Combustibles
When selecting a location for the appliance it is important
to consider the required clearances to walls (see Figure
3.6).
WARNING! Risk of Fire or Burns! Provide adequate
clearance around air openings and for service access.
Due to high temperatures, the appliance should be lo-
cated out of traffi c and away from furniture and draperies.
1/2 in. (13 mm) min.
appliance
to combustibles
B
Figure 3.6 Appliance Locations
Heatilator • NBV3630I-B, NBV3933I-B, NBV4236I-B, NBV4842I-B Installation Manual • 2376-980 Rev. F • 7/16
* As B increases, E increases accordingly.
E*
B
A
Refer to Section 11.B for mantel and wall
projection information.
Consider the mantel or cabinet system to be
installed and comply with the necessary
requirements for elevated hearth. Refer to
instructions included with cabinet system.
Model
inches
NBV3630I-B
mm
inches
NBV3933I-B
mm
inches
NBV4236I-B
mm
inches
NBV4842I-B
mm
NOTICE: Illustrations refl ect typical installations and are
FOR DESIGN PURPOSES ONLY. Illustrations/diagrams
are not drawn to scale. Actual installation may vary due to
individual design preference.
Drywall
Installation
A
A
B
36
33-1/2
914
851
39
35-1/2
991
902
42
37-5/8
1067
956
48
41-7/8
1219
1064
C
A
48 in.
D
(1219 mm)
max.
Alcove
C
C
D
8-1/2
19-5/8
37
216
498
940
9-1/2
19-5/8
40
498
1016
241
10-5/8
19-5/8
43
498
1092
270
19-5/8
49
12-3/4
498
1245
324
E
13
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