Vermont Castings WDV500NTSCSB Installation And Operating Instructions Manual page 21

For models purchased after 4/16/15, please see addendum.
VENTING INSTALLATION
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
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.
Flashing
Rigid Pipe
Length
Flex to Pipe
Adapter
Firestop
Figure 28 -
Typical Vertical Flex Vent Installation
20306744
venting to horizontal
Termination
Cap
Storm Collar
Roof Support
UL1777 Flex
PIpe
Screws
(3 Places equidistant just
DVFF8A/8
above gear clamp)
Adapter
FP1974
typical flex install
UL1777 Flex Vent
FP1974
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.
Screws
(3 Places
equidistant
just above
gear clamp)
Gear Clamp
Figure 29 -
Typical Pipe Connection
FP1975
pipe connection
Gear Clamp
Figure 30 -
Typical Horizontal Flex Vent Installation
FP1976
horizontal flex
WDV Series Gas Fireplace
Rigid Pipe Length
Flex to Pipe Adapter
Gear Clamp
13/4" Flexible Pipe and Adapter
Outer Collar Overlap
UL1777 Flex Vent
Vermont Castings
Group Horizontal
Vent Termination
13/4" Flexible Pipe and
Collar Overlap
21