Heatilator NBV3630I-B Installation Manual page 14

Note: If the inside of the framed cavity is to be fi nished, the framing dimensions must include the fi nished surface. Example: If
drywall is to be attached to the rear wall, the depth must be measured from the drywall surface.
Combustible flooring may be
installed next to the front of the
appliance.
32-1/2 in.
(826 mm)
to ceiling
36 in.
(914 mm)
Figure 3.7 Clearances to Combustibles
14
Heatilator • NBV3630I-B, NBV3933I-B, NBV4236I-B, NBV4842I-B Installation Manual • 2376-980 Rev. F • 7/16
1/2 in.
(13 mm)
1/2 in.
(13 mm)
Drywall
0 in.
0 in. TO LEVEL
OF STANDOFFS
0 in.
Note: Framing may be constructed
of 2 X 4 or 2 X 6 materials
B
C
A
* MINIMUM FRAMING DIMENSIONS
MODEL
in.
NBV3630I-B
mm
in.
NBV3933I-B
mm
in.
NBV4236I-B
mm
in.
NBV4842I-B
mm
Per
Manufacturer's
Specifications
A B
Rough Rough
Opening Opening
(Width) (Height)
36 34-7/8
914 886
39 34-7/8
991 886
42 34-7/8
1067 886
48 34-7/8
1219 886
C
Rough
Opening
(Depth)
19-5/8
498
19-5/8
498
19-5/8
498
19-5/8
498