Avalon Firestyles DVS Fireplace EF-2001 to 2007 - Manual (Page 17)

Installation
(for qualified installers only)
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Vent Requirements
• Always maintain the
required 1" clearance (2"
clearance above the vent
when an elbow is placed
directly off the top of the
fireplace) to combustible
materials to prevent a fire
hazard. Do not fill air
spaces with insulation.
• 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.
• In addition to the
requirements below, follow
the requirements provided
with the vent.
Altitude
Considerations
Use a firestop spacer whenever
passing through a ceiling
(Duravent Part #963)
Vertical Termination
(Duravent Part # 991)
Use a roof flashing and storm collar
whenever passing through the roof
(Duravent Part #953 & #943 or #943S)
8-5/8"
(220 mm)
Use a support box
on exposed vent
Vertical Vent
Requirements
Use a firestop whenever
passing through a wall
Horizontal Termination
(Duravent Part #984)
Maintain a minimum 1" clearance from
vent to any combustible (2" above the
vent when an elbow is placed directly
off the top of the fireplace).
Minimum
Framing for
wall thimble
Horizontal Vent
Requirements
Minimum framing
for fire stop
8-5/8"
(220 mm)
Maintain a minimum 1"
(25 mm) clearance from
vent to any combustible
(vent is 6 5/8" (170 mm)
diameter)
6-5/8" Diameter
- 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 of of the following 6-5/8" diameter co-axial gas direct vent systems:
Manuafacturer S e r i e s
Simpson Dura-Vent Model GS
Selkirk Hearth Products Direct-Temp
American Metal Products Ameri-Vent
N O T E : Always use the high-wind cap for the type of vent you are using (if applicable)
• Slide the vent sections together and turn 1/4 turn until the sections lock in place.
• Screws are not required to secure the vent. However, three screws may be used to secure
vent sections together if desired.
• High temperature sealant is recommended at the appliance starter section connection (use
high-temperature silicone or Mill-Pac®).
• If disassembly is required, at time of re-assembly check to see if the vent creates a tight fit. If
it does not, apply high temperature sealant to the joints of the affected sections.
• Horizontal sections require a 1/4" rise every 12" of travel
• Horizontal sections require non-combustible support every three feet (e.g.: plumbing tape)