10
Heatilator • Novus NBV • 4055-188 Rev C • 04/08
C. Clearances
Per
Manufacturer’s
Specifications
C
B
A
32-1/2 in.
(826 mm)
to ceiling
0 in.
0 in. TO LEVEL
OF STANDOFFS
1/2 in.
(13 mm)
Drywall
0 in.
1/2 in.
(13 mm)
Combustible Object
36 in.
(914 mm)
Combustible flooring may be installed
next to the front of the appliance.
Figure 3.2 Clearances to Combustibles
Model
A
Rough Opening
(Width)
B
Rough Opening
(Height)
C
Rough Opening
(Depth)
NBV3630/
NBV3630I
in.
36
34-7/8
19-5/8
mm
914
886
498
NBV3933/
NBV3933I
in.
39
34-7/8
19-5/8
mm
991
886
498
NBV4236/
NBV4236I
in.
42
34-7/8
19-5/8
mm
1067
886
498
NBV4842/
NBV4842I
in.
48
34-7/8
19-5/8
mm
1219
886
498
Fire Risk
Odor Risk
• Install appliance on hard metal or wood
surfaces extending full width and depth
of appliance.
• Do NOT install appliance directly on
carpeting, vinyl, tile or any combustible
material other than wood.
• Do NOT place furniture or any other
combustible household objects within
36 in. of the appliance front.
WARNING
Note:
If the inside of the framed cavity is to be
fi
nished, the framing dimensions
must
include the
fi
nished surface. If drywall is to be attached to the
rear wall, the depth must be measured from the
drywall surface.
