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7
Venting and Chimneys
A. Assemble Vent Sections
To attach the first vent component to the starting collars
of the appliance:
• Lock the vent components into place by sliding the pipe
section onto the collar.
• Align the seam of the pipe and seam of collar to allow
engagement. Rotate the vent component to lock into
place. Use this procedure for all vent components. See
Figure 7.1.
• Slide the gasket over the first vent section and place it
flush to the appliance. This will prevent cold air infiltration.
Caulk with a minimum of 300ºF continuous exposure
rating may be used to hold the part in place.
• Continue adding vent components, locking each
succeeding component into place.
• Ensure that each succeeding vent component is securely
fitted and locked into the preceding component.
Commercial, Multi-family (Multi-level exceeding two sto-
ries), or High-Rise Applications
For Installation into a commercial, multi-family (multi-level
exceeding two stories) or high-rise applications: All outer
pipe joints must be sealed with high temperature silicone
(300ºF minimum continuous exposure rating), including
the slip section that connects directly to the horizontal ter-
mination cap.
• Apply a bead of silicone sealant (300ºF minimum con-
tinuous exposure rating) inside the female outer pipe
joint prior to joining sections. See Figure 7.2.
• Only outer pipes need to be sealed. All unit collar, pipe,
slip section, elbow and cap outer flues shall be sealed
in this manner, unless otherwise stated.
WARNING! Risk of Fire or Explosion! DO NOT break
silicone seals on slip sections. Use care when remov-
ing termination cap from slip pipe. If slip section seals
are broken during removal of the termination cap, vent
could leak.
36
Heatilator • ION-V7, ION-S7, ION-H7 Installation Manual • 2276-980 Rev. E • 5/15
Note: Align seams to engage pipe,
then rotate counterclockwise to lock
Figure 7.1 Adding Venting Components
Figure 7.2 High Temperature Silicone Sealant
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