41
Heatilator • NNXT4236IF, NNXT4236ILF, NNXT3633IF, NNXT3633ILF Installation Manual • 4055-980 Rev. D • 9/15
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.
10
10
Finishing
A. 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 ºF minimum sealant. Refer to
Figure 10.1.
WARNING! Risk of Fire! DO NOT
apply combustible
materials beyond the minimum clearances. Comply with
all minimum clearances to combustibles as speci
fi
ed in
this manual. Overlapping materials could ignite and will
interfere with proper operation of doors and louvers.
Figure 10.1 Non-combustible Facing Diagram
