20306744
21
WDV Series Gas Fireplace
VENTING INSTALLATION
FP1974
typical flex install
Termination
Cap
Storm Collar
Roof Support
Flashing
Rigid Pipe
Length
Flex to Pipe
Adapter
Firestop
UL1777 Flex
PIpe
DVFF8A/8
Adapter
Figure 28 -
Typical Vertical Flex Vent Installation
FP1975
pipe connection
Screws
(3 Places
equidistant
just above
gear clamp)
Rigid Pipe Length
Flex to Pipe Adapter
Gear Clamp
13/4" Flexible Pipe and Adapter
Outer Collar Overlap
UL1777 Flex Vent
Figure 29 -
Typical Pipe Connection
Gear Clamp
FP1976
horizontal flex
Screws
(3 Places equidistant just
above gear clamp)
Gear Clamp
UL1777 Flex Vent
13/4" Flexible Pipe and
Collar Overlap
Vermont Castings
Group Horizontal
Vent Termination
Figure 30 -
Typical Horizontal Flex Vent Installation
FP1974
5. Flexible vent spacers are to be installed
at intervals prescribed by the flexible vent
manufacturer; and in such a way as to maintain
concentric inner and outer vent spacing.
D. Attaching flexible venting to vertical termination
assemblies.
1. When using Duravent pipe, an Vermont
Castings Group flex-to-pipe adapter (FPA) and/
or rigid pipe section(s) is required to connect the
flexible vent assembly to the vertical termination
by using three self-penetrating screws.
2. Review
Figure 29
and corresponding instructions
for proper overlap, clamp and screw placement.
3. Three each self-penetrating screws are drilled
opposite one another and below the gear clamp.
4. Use only listed and approved terminations
and accessories, installed per the installation
instructions and
Figure 28
.
E. Installing flexible venting to horizontal
termination assemblies.
1. Connect the 5" flexible vent to the horizontal
termination as in
Figure 30
.
2. Connect the 8" flexible vent to the termination
ring as in
Figure 30
.
3. Review
Figure 30
for proper overlap and clamp
placement.
4. Three each self-penetrating screws are drilled
opposite one another and below the gear lamp.
5. Use only listed an approved terminations and
accessories, installed per the termination
instructions and
Figure 30
.
For models purchased after 4/16/15, please see addendum.