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Heatilator • NNXT4236IF, NNXT4236ILF, NNXT3633IF, NNXT3633ILF Installation Manual • 4055-980 Rev. D • 9/15
B. Rear Vent
NOTICE:
Once appliance is set up for top or rear venting,
it CANNOT be changed at a later time.
Figure 6.6
Figure 6.8
Figure 6.7
Figure 6.10
Figure 6.9
• Fold the tabs toward the center of the vent cap (90º) and
remove the insulation gasket.
• Cut the metal retaining band and fold the sides out.
• Fold the center parts of the retaining band out and use
to remove the vent cap.
• Discard the vent cap, remove and discard the insulation
basket.
• Attach
the
fi
rst vent section (it will snap into place). Slide
the insulation gasket onto the vent section, up against
the appliance and over the tabs.