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10
Simpson Dura-Vent Chimney
Conversion Kit
The GF 600 DV Firelight is approved for use
with Simpson Dura-vent Chimney Kits as
shown in Figure 8. These installation require-
ments must be followed:
In masonry chimney a fire-clay liner must be
present the entire length of the chimney.
The liner must have an inside dimension of
6” round or greater. (USE KIT #934)
Prefabricated chimneys must be listed for
the specific Simpson Dura-Vent Chimney
Conversion Kit or a UL 103 listing. (USE KIT
#931, #932, or #933)
When venting immediately off the rear of
the GF600 DV, the maximum horizontal
must be less than 14” (including thimble
depth). Any other horizontal run must be
less than 24“ in length.
The two Exhaust Restrictor Plates and the
Air Intake Restrictor Plate included with the
stove must be installed according to the
assembly instructions on page 8.
Figure 8. Vertical Vent System through Masonry or
Prefabricated HT Chimney.
VERY IMPORTANT NOTICE:
THE USE OF AN EXISTING CHIMNEY AS
AN AIR INTAKE IS NOT COVERED
UNDER THE ANSI Z21.88-1999-CSA
2.33-M99 TEST METHODS AND
RESULTING ITS/WHI PRODUCT
CERTIFICATION. THE CODE
AUTHORITY HAVING JURISDICTION
MUST BE CONSULTED PRIOR TO
PROCEEDING WITH THIS
INSTALLATION METHOD.
GF 3 DV
ALLAGASH
Stove
Vertical Termination
Cap #991
(Not i ncluded in ki t).
Simpson Dura-Vent
Thimble Adapter
(Included in kit)
Appropriate length of
Simpson
Dura-Vent Pipe for
vertical rise.
(Not i ncluded in kit).
Simpson Dura-Vent
#990 90º Elbow .
(Not included in kit)
.
Simpson Dura-Vent
Termination Kit
A: Maximum
horizontal run when
venting immediately
off the rear of the
stove MUST BE LESS
THAN 14” (360 mm)
TOTAL!
A
Fire-clay
liner or UL
103 listed
prefabri-
cated chim-
ney pipe.
4 inch
(100 mm)
Flex Liner
(Not in-
cluded in
kit)