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A poor draft, or down drafting can result from high
wind conditions near big trees or adjoining roof
lines, in these cases, increasing the vent height
may solve the problem.
7. Ensure vent is vertical and secure the base of
the flashing to the roof with roofing rails, slide
storm collar over the pipe section and seal with
a mastic.
8. Install the vertical termination cap by twist-
locking it.
Note: Any closets or storage spaces,
which the vent passes through must
be enclosed.
Offset Chart
Direct Vent System (Flex)
Installation Procedures
1. Locate the unit in the framing, rough in the
gas (preferably on the right side of the unit)
and the electrical (Junction block is on the
left side) on the left. Locate the centerline of
the termination and mark wall accordingly.
Cut a 10"(254mm) hole in the wall (inside
dimension).
Note: A 1-1/2"(38mm) clearance around
the liner must be maintained
except that only a 1" (25mm)
clearance is needed at the termi-
nation end. We recommend fram-
ing a 10"(254mm) x 10"(254mm)
(inside dimensions) hole to give
structural rigidity for mounting
the termination.
Note: To make
the installation
more aesthetically
p l e a s i n g ,
w e
O u t s
r e c o m m e n d
f r a m i n g o u t a
square to mount
the terminal to.
Furring
Strips
Note: If installing termination on a siding
covered wall, furring strips must be
used to ensure that the termination
is not recessed into the siding.
2. Level the fireplace and fasten it to the framing
M u r
using nails or screws through the nailing strips.
3. Assemble the vent assembly by applying
Mill Pac to the 4"(100mm) inner collar of the
Fourrures en bois
termination and slipping the 4"(100mm) liner
over it at least 1-3/8" (35mm). Fasten with the
3 screws (drilling pilot holes will make this
easier). Apply Mill Pac to the 6-7/8"(175mm)
flex pipe and slip it over the 6-7/8" outer collar
of the vent terminal at least 1-3/8"(35mm) and
fasten with the 3 screws.
NOTE:Horizontal sections must be
supported at intervals not exceeding
3 feet (0.9 meter). (Flame picture and
performance will be affected by sags
in the liner).
4" dia. flue pipe
with spring spacer
6-7/8" dia
air intake
Screws
(3 per connection)
4. Separate the 2 halves of the wall thimble and
securely fasten the one with the tabs to the
outside wall making sure that the tabs are on
a l l
i d e W
top and bottom. Fasten the other thimble half
Furstrp.eps
to the inside wall. The thimble halves slip inside
each other and can be adjusted for 2 x 4 or 2
see also c34020a.eps
x 6 walls. The liners must slip over the collars
a minimum of 1-3/8".
5. Slip the assembled liner and termination
assembly through the thimble making sure the
termination cap faces up (there are markings
on the cap that show which way is up). This will
position the termination cap with proper down
slope for draining water. Fasten the cap to the
outer wall with the 4 supplied screws.
r i e u r
6. Pull the centre 4"(100mm) liner and outer
e x t é
6-7/8"(175mm) liner out enough to slip over the
furstrpf.eps
flue collars of the fireplace. (You may wish to
french
cut the liner shorter to make it more workable.)
Do not bend liner more than 90
7. Apply Mill Pac over the fireplace inner collar
and slip the 4"(100mm) liner down over it and
attach with 3 supplied screws.
8. Do the same with the 6-7/8"(175mm) liner.
9. Apply a bead of silicone between the thimble
and termination and around the outer edge of
the terminal at the wall in order to keep the
water out.
IMPORTANT: Do not locate termination hood
where excessive snow or ice buildup may
occur. Be sure to check vent termination
area after snow falls, and clear to prevent
accidental blockage of venting system. When
using snow blowers, make sure snow is not
directed towards vent termination area.
2 x 4 or 2 x 6
Termination Cap
Screws
(4 per connection)
Wall Thimble
2 pieces
(10" Outer
Diameter)
Grandview
installation
o
.
vnt-ho
G600C Gas Fireplace | 59
®
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