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59Heatilator • Novus NNXT • 4055-879 • Rev. o • 2/12
0 in.
0 in.
High Temperature Sealant (300° F/149° C min.)
Top and Side Seal Joint
0 in.
Finish wall material may be
combustible on sides and up to
non-combustible strip on top.
Non-combustible strip shipped with appliance.
DO NOT REMOVE!
May be covered with non-combustible materials only.
B. Facing Material
• Metal front faces may be covered with non-combustible
materials only.
• Facing and/or fi nishing materials must not interfere with
air fl ow through louvers, operation of louvers or doors,
or access for service.
• Facing and/or fi nishing materials must never overhang
into the glass opening.
• Observe all clearances when applying combustible
materials.
• Seal joints between the fi nished wall and appliance top
and sides using a 300°F minimum sealant. Refer to
Figure 14.3.
WARNING! Risk of Fire! DO NOT apply combustible ma-
terials beyond the minimum clearances. Comply with all
minimum clearances to combustibles as specifi ed in this
manual. Overlapping materials could ignite and will inter-
fere with proper operation of doors and louvers.
Figure 14.3 Non-combustible Facing Diagram