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Heatilator • CD4236IFTR, CD4236IFTLR, CD4842IFTR, CD4842IFTLR Installation Manual • 2511-980 Rev. M
• 8/21
CAUTION! Risk of Cuts, Abrasions or Flying Debris.
Wear protective gloves and safety glasses during instal-
lation. Sheet metal edges are sharp.
NOTICE:
Once appliance is set up for top or rear venting,
it CANNOT be changed at a later time.
A. Vent Collar Preparation
6
6
Appliance Preparation
Top Vent
Figure 6.1 (Generic Fireplace Shown)
Cut the seal cap
strap across the rectangles next to the disk.
Figure 6.2 (Generic Fireplace Shown)
Remove the white
gasket material covering the seal cap.
Figure 6.3 (Generic Fireplace Shown)
Remove the
seal cap.
Figure 6.4 (Generic Fireplace Shown)
Remove the in-
sulation basket and white insulation from the center vent
pipe.
Figure 6.5 (Generic Fireplace Shown)
Remove the in-
sulation from the outer vent pipe.
NOTICE:
Once the seal cap has been removed it CANNOT
be reattached.
Note:
Instructions for rear vented models on next page.