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Venting
Rear Vent—No Vertical Rise
The horizontal vent run cannot be extended by the use of any vent accessory pipes.
* raise the
appliance by
at least 1/2"
(13 mm) from
surface of
hearth or floor
finish in front
to allow for
air gap below
backing plate
Rear vent—no vertical rise
Important Installer Notice—Weather Sealing & Vapor Barrier
It is the installer's responsibility to ensure that vent installations through exterior walls are caulked and
weatherproofed in such a manner as to:
• Prevent rain from entering the wall from the weather side by adequately caulking the outer vent plate to the
exterior wall surface.
• Prevent moisture inside the home from penetrating into the wall structure by ensuring the inside wall plate is
adequately sealed to the inside vapor barrier.
• Prevent rain water and moisture from entering the walls by sealing the joints between the outer vent tube and
the inner and outer wall plates.
We recommend the use of a high quality polyurethane sealant.
16
26" (660 mm) max.
vent length
(14" (356 mm) max.
enclosed within
combustible wall cavity)
Use 658TG or 845TG
vent guard with
accessible terminals
located at less than
7' (2.13 m) above
ground
23-1/8"
(587 mm)
from the
bottom of
appliance*
Corner rear vent—no vertical rise
Co-axial
Vent pipe max.
15" (381 mm)
after 45° elbow
Approved
side wall
termination
Approved
through wall
shield/thimble
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