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vent system installation precautions
Before installing vent kits, read these instructions and the vent kit
Instructions. Consult local Building Codes before beginning the
Installation.
To ensure top performance, safety and efficiency, inserts must be
installed with an approved flue liner as per CAN/CGA B-149 or
National Fuel Code ANSI Z223 and these instructions.
This gas insert and vent assembly must be vented directly to
the outside and must never be attached to a chimney serving
a separate solid-fuel burning or gas-venting appliance.
vent system approvals
Figure 11 shows the vent termination cap and system approved
for use with these models. Approved vent system terminations
are labeled for identification. Use 3-inch diameter, flexible
aluminum or stainless steel gas venting for the incoming
combustion air. Use 4-inch diameter flexible aluminum or
stainless steel gas venting for exhaust vent pipe. no other
venting systems or components may be used. Detailed
installation instructions are included with each vent termination kit
and should be installed in conjunction with this manual.
Horizontal venting
The vent system on this model cannot be terminated
horizontally.
vertical venting
The inlet and exhaust vent pipes MUst be connected to the
proper collars on the unit anD to the termination cap or the unit
will not operate.
Major U.S. building codes specify minimum chimney and/or
vent height above the roof top. These minimum heights are
necessary in the interest of safety. see Figures 8 and 9 for
minimum heights, provided the termination cap is at least 2
feet from a vertical wall and 2 feet below a horizontal overhang.
NOTICE: The above warning also pertains to vertical vent
systems installed on the outside of the building.
The exhaust pipe must only be connected to the exhaust
starting collar of the unit and to the exhaust collar of the
termination cap.
The inlet air pipe must only be connected to the inlet air
starting collar of the unit and to the inlet air collar of the
termination cap. Both the inlet vent and the flue vent must
be connected from the insert to the vent termination cap.
38102-4-0319
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NOTICE: The minimum vertical vent rise is 10 feet and the
maximum vertical vent rise is 40 feet. These dimensions are
measured from the starting collars of the unit to the end of the
last section of vent pipe. see Figure 11, page 17.
NOTICE: The vent cap must be in open, free air. It cannot be
installed under an existing cap shared by other flues.
Page 15
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