12
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.
Venting
Co-Axial
Rear Vent—No Vertical Rise
Rear vent—no vertical rise
Corner rear vent—no vertical rise
Approved
trough wall
shield/thimble
Approved
side wall
termination
530
engine
Max. 26” (66 cm)
14” (36 cm) max.
within
combustible wall.
26” (66 cm) max.
vent length
Use 658TG of
845TG vent
guard with a
vent terminal
located at less
than 7’ (2.13 m)
above grade
Approved
through wall
shield/thimble
Approved
side wall
termination
530
engine
12” (30 cm)
max vent pipe
