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Installation (for qualified installers only) 15
© Travis Industries 4040830 100-01143
Vent Requirements
• The gas appliance and vent system must be vented directly to the outside of the building, and
never be attached to a chimney serving a separate solid fuel or gas-burning appliance. Each
direct vent gas appliance must use it's own separate vent system.
Vent Clearances
• The vent must maintain the required clearance to combustible materials to prevent a fire. Do
not fill air spaces with insulation.
Before First Firestop After First Firestop
Front 1/2" 0"
Sides 0" 0"
Above 2" 2"
Below Horizontal Section 1" 1"
Below 45° Section 1" 0"
0" Clearance to the sides
after the first firestop.
Use a firestop whenever
passing through a
ceiling, enclosure or
floor penetration.
Use a firestop when passing
through any wall (WARNING:
some firestops provide a 1"
clearance above the vent -- 2"
is required for this heater).
Min. 2" Clearance
Above the Vent
1/2" Clearance to the
front of vent before the
first firestop.
0" Clearance to the
side of vent after the
first firestop.
Altitude Considerations
• This heater has been tested at altitudes ranging from sea level to 8,000 feet (2,400 M). In this testing we
have found that the heater, with its standard orifice, burns correctly with just an air shutter adjustment.
• Failure to adjust the air shutter properly may lead to improper combustion which can create a safety hazard.
Consult your dealer or installer if you suspect an improperly adjusted air shutter.
Approved Vent
• Use Model GS Direct Vent manufactured by
Simpson Dura-Vent only. Follow the
installation instructions included with the
vent. For the nearest Simpson Dura-Vent
supplier, call (800) 835-4429.
• Always use the high-wind cap for the type of
vent you are using.
• This fireplace accepts 8" diameter GS
Direct Vent. Vent configurations with at
least 12" of rise may use 6-5/8" diameter GS
Direct Vent (use the reducer - part #
98900165). See "Approved Vent
Configurations" for further details on vent.
6-5/8" Diameter Vent
(minimum 12" vertical rise)
Reducer - # 98900165