10
Heatilator • Novus BV • 4031-551 Rev B • 12/06
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)
NB3630
in.
36
34-7/8
19-5/8
mm
914
886
498
NB3933
in.
39
34-7/8
19-5/8
mm
991
886
498
NB4236
in.
42
34-7/8
19-5/8
mm
1067
886
498
NB4842
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
