Vermont Castings MLDV500 Installation & Operating Instructions Manual page 25

FLEx VENT INSTALLATION
D. Attaching flexible venting to vertical termination
assemblies.
1. When using Duravent pipe, an Vermont Cast-
ings Group flex-to-pipe adapter and/or rigid pipe
section(s) is required to connect the flexible vent
assembly to the vertical termination by using
three self-penetrating screws.
. Review Figure 39 and corresponding instruc-
tions for proper overlap, clamp and screw place-
ment.
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 instruc-
tions and Figure 38.
Flashing
Rigid Pipe
Length
Flex to Pipe
Adapter
Firestop
DVFF8A/8 5" x 8" to
5" x 8" Flex Adapter
Figure 38 -
Typical Vertical Flex Vent Installation
75D0004
Termination
Cap
Storm Collar
Roof Support
UL1777 Flex
PIpe
UL1777 Flex Vent
FP1974
E. Installing flexible venting to horizontal termination
assemblies.
1. Connect the 5" flexible vent to the horizontal
termination as in Figure 40.
. Connect the 8" flexible vent to the termination
ring as in Figure 40.
3. Review Figure 40 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 instruc-
tions and Figure 40.
Screws
(3 Places
equidistant
just above
gear clamp)
Gear
Clamp
Figure 39 -
Typical Pipe Connection
Screws
(3 Places equidistant just
above gear clamp)
Gear Clamp
Figure 40 -
Typical Horizontal Flex Vent Installation
FP1976
horizontal flex
MLDV Series Gas Fireplace
Rigid Pipe Length
Flex to Pipe Adapter
Gear Clamp
1C\v" Flexible Pipe and Adapter
Outer Collar Overlap
UL1777 Flex Vent
FP1975
pipe connection
Vermont Castings
Group Horizontal
Vent Termination
1C\v" Flexible Pipe and
Collar Overlap
5