B. Full Reline With Outside Air - Vertical
NOTE: Check clearances carefully for this type of instal-
lation to ensure adequate room for outside air venting.
Figure 17.1
NOTE: In Canada this fi replace insert must be installed
with a continuous chimney liner of 6 inch (152mm) diam-
eter extending from the fi replace insert to the top of the
chimney. The chimney liner must conform to the Class 3
requirements of CAN/ULC-S635, Standard for Lining Sys-
tems for Existing Masonry or Factory-Built Chimneys and
Vents, or CAN/ULC-S640, Standard for Lining Systems for
New Masonry Chimneys.
June 18, 2014
12 in [305mm]
min. below
Outside Air
Termination at
Chimney Top
(Vertical)
NOTE: In Canada only a full reline is allowed per ULC
S628, ORD ULC C1482-M1990.
12 in [305mm]
min. below
NOTE: Use metal plate around
exhaust vent pipe and seal all edges
with non-flammable insulation such
as fiberglass, mineral wool or
ceramic.
Do not use high temperature
caulking materials to seal any edge
to prevent future serviceability.
Check building codes prior to installation.
• Installation MUST comply with local, regional, state and
national codes and regulations.
• Consult local building, fi re offi cials or authorities having juris-
diction about restrictions, installation inspection, and permits.
7082-131C
MT VERNON E2 INSERT
CAUTION
17