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8 Heatilator • Novus NBV • 4055-188 Rev C • 04/08
Note:
• Illustrations refl ect typical installations and are FOR
DESIGN PURPOSES ONLY.
• Illustrations/diagrams are not drawn to scale.
• Actual installation may vary due to individual design
preference.
Fire Risk
Provide adequate clearance:
• Around air openings.
• For service access.
Locate appliance away from traffi c areas.
WARNING
A. Select Appliance Location
When selecting a location for your appliance it is important to
consider the required clearances to walls (See Figure 3.1).
Note: For actual appliance dimensions refer to
Section 16.
In addition to these framing dimensions, also reference the
following sections:
• Clearances and Mantel Projections (Sections 3.C. and 3.D.)
• Vent Clearances and Framing (Section 6)
A
A
A
C
B
B
1/2 in. (13 mm) min.
appliance
to combustibles
Alcove
Installation
C
D
Drywall
48 in.
(1219 mm)
max.
Figure 3.1 Appliance Locations
3
3
Framing and Clearances
Model A B C D
NBV3630/
NBV3630I
inches 36 33-1/2 19-5/8 37
mm 914 851 498 940
NBV3933/
NBV3933I
inches 39 35-1/2 19-5/8 40
mm 991 902 498 1016
NBV4236/
NBV4236I
inches 42 37-5/8 19-5/8 43
mm 1067 956 498 1092
NBV4842/
NBV4842I
inches 48 41-7/8 19-5/8 49
mm 1219 1064 498 1245