DVB Series Direct Vent Gas Fireplace
4
54D0701
Flex 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 as-
semblies.
1. When using Simpson pipe, an MHSC flex-to-pipe
adapter and/or rigid pipe section(s) is required to
connect the flexible vent assembly to the verti-
cal termination by using three self-penetrating
screws.
. Review
Figure 37
and corresponding instruc-
tions for proper overlap, clamp and screw place-
ment.
3. Three each self-penetrating screws are drilled op-
posite one another and below the gear clamp.
4. Use only listed and approved terminations and
accessories, installed per the installation instruc-
tions and
Figure 36
.
E. Installing flexible venting to horizontal termination
assemblies.
1. Connect the 4" flexible vent to the horizontal
termination.
Figure 38
Termination
Cap
Storm Collar
Roof Sup-
port
Flashing
Rigid Pipe
Length
Flex to Pipe
Adapter
(FPA/8)
Firestop
UL1777 Flex
PIpe
DVFA/8
Adapter
Figure 36 -
Typical Vertical Flex Vent Installation
FP1974
FP1975
pipe connection
Screws
(3 Places
equidistant
just above
gear clamp)
Rigid Pipe Length
Flex to Pipe Adapter
(FPA/8)
Gear Clamp
1
C\v
" Flexible Pipe and
Adapter Outer Collar Over-
lap
UL1777 Flex Vent
Figure 37 -
Typical Pipe Connection
Gear Clamp
FP1975
FP2099
horizontal flex vent
Screws
(3 Places equidistant
just above gear clamp)
Gear Clamp
UL1777
Flex Vent
1
C\v
" Flexible Pipe and Adapter
Outer Collar Overlap
MHSC Horizontal
Vent Termination
Termination to
Flex Adapter
(FPA/8)
Figure 38 -
Typical Horizontal Flex Vent Installation
FP099
. Slide termination cap adapter ring over the termi-
nation cap's outside pipe and secure with three
screws.
3. Connect the 7" flexible vent to the termination
adapter ring.
Figure 38
4. Review
Figure 38
for proper overlap and clamp
placement.
5. Three each self-penetrating screws are drilled
opposite one another and below the gear lamp.
6. Use only listed an approved terminations and
accessories, installed per the termination instruc-
tions and
Figure 38
.
