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Co-linear Vent Installation
The GF 3 DV Allagash may be vented through a
masonry or Class A prefabricated chimney using a Co-
linear Flexible Vent system approved for use with a
solid-fuel burning fireplace, When installed in the
manner described below, this system can improve the
performance of the appliance in cold climate situa-
tions, as well as simplify the vent installation.
These guidelines must be followed:
1. Prior to the installation the chimney flue must be
thoroughly cleaned and inspected by a qualified
chimney service person.
2. In a masonry chimney, a fireclay liner must be
present the entire length of the chimney.
3. Prefabricated chimneys must be UL 103 or ULC S-
629 listed and have a minimum INSIDE diameter of
6 inches, (150 mm).
4. No appliance can be installed into a chimney flue
serving any other appliance of any kind.
5. THE AIR INTAKE FLEX PIPE MUST EXTEND BEYOND
THE DAMPER AREA OF THE FIREPLACE.
6. If the intake flex does not extend the full length of
the chimney and connect to both the unit and the
termination cap, A METAL BLOCK OFF PLATE MUST
BE CONSTRUCTED AND INSTALLED ABOVE THE
UNIT PRIOR TO THE END OF THE INTAKE FLEX AND
MUST COMPLETELY SEAL THE CHIMNEY FLUE
FROM THE ROOM.
Consult with the local code authority having
jurisdiction before proceeding with this type of
installation.
Refer to the vent manufacturers instructions for
specific installation requirements.
WARNING: FAILURE TO POSITION THE PARTS AND
STOVE IN ACCORDANCE WITH THESE DIAGRAMS OR
FAILURE TO USE ONLY PARTS SPECIFICALLY APPROVED
FOR USE WITH THIS APPLIANCE MAY RESULT IN
PROPERTY DAMAGE OR PERSONAL INJURY. BE SURE TO
MAINTAIN THE PROPER CLEARANCES TO COMBUS-
TIBLES AS DEFINED IN THIS MANUAL AND IN THE
INSTRUCTIONS PROVIDED WITH EACH VENT COMPO-
NENT.
Figure 8. Co-linear Vent installed through masonry
chimney.
Figure 8a. Co-linear Adaptor centerline.
24 3/4
to center
of flue collar
28 3/4
to top of
Co-linear
Adapter.
8
The Air Intake
Flex pipe must
extend beyond
the damper.