Avalon Firestyles DVL Insert-1998 to 2001 - Manual (Page 12)

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Installation
(for qualified installers only)
Travis Industries
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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.
! Make sure the exhaust pipe on the heater connects to the exhaust portion of the cap. The
illustrations below show how the flex liners should be attached.
• The exhaust vent must reline the entire length of the chimney and terminate above the chimney top
! Be careful not to crimp or rupture the liner when bending it into chimney offsets
• When installed, the vent must meet all of the vent
manufacturer's requirements
• Make sure to order the following:
- 4” UL 1777 Gas Liner for Exhaust, 3” UL 1777
Gas Liner for Air Inlet
- 6-5/8” to 3” & 4” Co-Linear Adapter & Flashing
(Travis Part # 98900124).
- Vertical Termination Cap (Dura-Vent pt # 991)
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. If local codes require resizing
the orifice, in the U.S.A. refer to ANSI 223.1,
Appendix P, in Canada B-149.1 or B-149.2
! 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.
Max. 1'
offset
Max. Ht. 35'
Min. Ht. 8'
Inlet
(3" dia.) Exhaust
(4" dia.)
Vent Installation
Inlet (3”) Exhaust (4”)
Inlet
Exhaust
Termination Cap
(Simpson Part # 991)
6-5/8” to 3” & 4” Co-
Linear Adapter (Travis
Part # 98900124)
High-Temp.
Silicone
Apply high-temperature
silicone to the liners on
both ends and secure
with 2 screws.
High-Temp.
Silicone
3” dia.
UL 1777
Gas Liner
4” dia.
UL 1777
Gas Liner