Heatilator • Novus NDV Series • 4055-187 Rev J • 08/09
20
D
Clearance to Ceiling
30 in. (762 mm)
0 in.
0 in. TO LEVEL
OF STANDOFFS
Combustible Object
36 in.
(914 mm)
0 in.
Combustible flooring may be installed next
to the front of the appliance.
Drywall
1/2 in.
(13 mm)
1/2 in.
(13 mm)
C
A
B
Model
A
Rough Opening
(Width)
B
Rough Opening
(Height)
C
Rough Opening
(Depth)
D
Rough Opening
(DVP Pipe)
D
Rough Opening
(SLP Pipe)
NDV3630
36 in./914 mm
34-7/8 in./886 mm
19-5/8 in./498 mm
10 in./254 mm
9 in./229 mm
NDV3933
39 in./991 mm
34-7/8 in./886 mm
19-5/8 in./498 mm
10 in./254 mm
9 in./229 mm
NDV4236
42 in./1067 mm
34-7/8 in./886 mm
19-5/8 in./498 mm
10 in./254 mm
9 in./229 mm
NDV4842
48 in./1219 mm
34-7/8 in./886 mm
19-5/8 in./498 mm
10 in./254 mm
9 in./229 mm
B. Constructing the Appliance Chase
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type of building. These instructions are not substitutes for the
requirements of local building codes. Therefore, you MUST
check local building codes to determine the requirements
to these steps.
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Figure 5.2 Clearances to Combustibles
C. Clearances
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Install appliance on hard metal or wood surfaces
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install directly on
carpeting, vinyl, tile or any combustible material other than
wood.
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clearances to appliance and vent pipe:
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must
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