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 surfac e. If dr ywall is to be a ttach ed to the
rear wall, the depth must be measured from the
drywall surface.