The rough framing dimensions shown represent the distance from stud to stud only and do not take into consideration the addition of drywall. Please
refer to installation instructions for complete specifications and drawings when installing this product. Go to www.heatilator.com to download.
Model
A
B
C
NDV/NBV3630
35"
30"
8-5/8"
NDV/NBV3933
38"
33"
11-5/8"
NDV/NBV4236
41"
36"
14-5/8"
NDV/NBV4842
47"
42"
20-5/8"
Novus
Technical Specifications
Mantel
A
19-5/8 in.
34-7/8 in.
Model
A
Rough
Opening
(width)
NDV/NBV3630
36"
NDV/NBV3933
39"
NDV/NBV4236
42"
NDV/NBV4842
48"
Dependability
Most Recognized Brand
Electrical
Access
Alternative
Gas Access
1-3/4 in.
34-1/2 in.
1-1/2 in.
15-3/4 in.
8 in.
2-3/8 in.
31-1/2 in.
34 in.
A
B
23-1/2 in.
6-1/2 in.
C
19-1/8 in.
11-5/8in.
Gas Line
Access
3 in.
A
19-1/8 in.
11-5/8 in.
C
DV Top
BV Top
Rear vent
One 45° elbow
Horiz Term
Rear Vent
Two 90° elbows
Horiz Term
Rear Vent
One 90° elbow
Vert Term
Top Vent
One 90° elbow
Horiz Term
No elbows
Horiz Term
A
A
A
A
A
A
C
B
B
E
F
D
1/2 in. min.
appliance to
combustibles
D
F
1 in.
min. pipe to
combustibles
E
1/2 in.
min. appliance
to combustibles
Alcove
Installation
C
1 in.
min. pipe to
combustibles
G
Drywall
48 in.
maximum
Model
A
B
C
D
E
F
G
NDV3630
36"
33-1/2"
19-5/8"
43-3/8"
47"
53-1/4"
37"
NDV3933
39"
35-1/2"
19-5/8"
43-3/8"
47"
53-1/4"
40"
NDV4236
42"
37-5/8"
19-5/8"
43-3/8"
47"
53-1/4"
43"
NDV4842
48"
41-7/8"
19-5/8"
43-3/8"
47"
53-1/4"
49"
Extr
emely tight
corner fit!
