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General Information
13. 4 U s i n g a C o -l i n e a r t o C o a x i a l Ad a p t e r
Front view of
DV Insert
Exhaust
Fresh air intake
Termination
Roof Flashing
3” (76 mm) Flex Liner
Sealed Flashing
Coaxial pipe
( min. 4” exhaust - 6 5/8” Intake)
Colinear to coaxial adaptor
Blown Insulation
Blown Insulation
Max. 6 ft or
50% of the
total vent
run, which
ever is shorter
Min. 18”
Min 10 ft
Ceiling
Roof
Must maintain 1”
form coaxial pipe
to insulation and
combustible
Fi g u r e 13. 4. 01:
The gas fireplace can be converted from co-linear to coaxial when it is desired to remove a section of the masonry fireplace chimney to
below the roof line.
W ARNING
This appliance must be installed by a qualified gas appliance installer. The installation must conform with the local codes or, in
the absence of local codes, with the current National Fuel Gas Code ANSI Z223.1/ NFPA 54 in the US, or Installation Code CAN/
CGA-B149.1 in Canada. Electrical connections and grounding must conform with local code, or current National Electrical code
ANSI/NFPA No. 70-1987 in the US, and in Canada the current Canadian Electrical Code CSA C22.1.
•
The sections of coaxial pipe
cannot be longer than 6ft. or 50%
of the total vent length, whichever
is shorter
•
A sealed flashing must be placed
on top of the chimney where the
co-linear to coaxial adapter is
seated
•
The total vent run must be a
minimum of 10ft. from the top of
the gas fireplace insert
•
A 1" clearance must be maintained
from the coaxial pipe to insulation
and combustible material
•
The termination must be 18"
from the roof to the bottom of the
termination
Co-linear to coaxial adapter
Fresh air
intake
Exhaust