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6
Appliance Preparation
A. Vent Collar Preparation - Sealing the
Firestop
CAUTION! Risk of Cuts, Abrasions or Flying Debris.
Wear protective gloves and safety glasses during instal-
lation. Sheet metal edges are sharp.
NOTICE: Cold air infiltration may occur if firestop is not
sealed correctly.
1. Seal the firestop on the interior and exterior by caulk-
ing around the perimeter using caulk with a 300ºF
minimum continuous exposure rating. See Figure 6.1.
and 6.2.
WARNING! Risk of Fire or Explosion! DO NOT break
caulk seals on slip sections. Use care when removing
termination cap from slip pipe. If slip section seals are
broken during removal of the termination cap, vent may
leak.
The ION may be installed in the wall or hung on the wall.
For In-Wall installations, see Section 11.
Figure 6.1. Firestop - Exterior View
CAULK
Heatilator • ION-V7, ION-S7, ION-H7 Installation Manual • 2276-980 Rev. E • 5/15
CAULK SEAMS
(4 SIDES)
APPLIANCE OUTER WRAP
Figure 6.2. Firestop - Interior View
FIRESTOP
29
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