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Heatilator • GNTC50 • 4002-095 Rev H • 06/07
9
C. Clearances
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.
WARNING
Combustible flooring may be installed
next to the front of the appliance.
C
B
A
Drywall
1/2 in.
(13 mm)
1/2 in.
(13 mm)
1/2 in.
(13 mm)
0 in.
D
34-1/2 in.
(876 mm)
to ceiling
0 in. to level
of standoffs
36 in.
(914 mm)
Combustible Object
Figure 3.2 Clearances to Combustibles
Model
A
Rough Opening
(Width)
B
Rough Opening
(Height)
C
Rough Opening
(Depth)
D
Rough Opening
(Vent Pipe)
GNTC50
in.
39-1/8
36-7/8
16-1/2 min.
10 x 10
mm
994
937
419
254 x 254
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 surace.