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27
75D2525
DVM Series Direct Vent Gas Fireplace
If you prefer to use 4" x 7" ex pipe, you must install model
7TDVP58 reducer (5" x 8" to 4" x 7") onto the replace
collar. Then follow the the assembly guidelines for 5" x 8"
ex venting.
Termination
Cap
Storm Collar
Roof Support
Flashing
Rigid Pipe
Length
Flex to Pipe
Adapter
(DVFFA/8)
Firestop
UL1777 Flex
PIpe
Figure 42 -
Typical Vertical Flex Vent Installation
Screws
(3 Places
equidistant
just above
gear clamp)
4" x 7" Rigid Pipe
Length
Flex to Pipe Adapter
(DVFFA/8)
Gear Clamp
1C\v" Flexible Pipe and Adapter
Outer Collar Overlap
UL1777 Flex Vent
Figure 43 -
Typical Pipe Connection
Gear
Clamp
Screws
(3 Places equidistant just
above gear clamp)
Gear Clamp
UL1777 Flex Vent
1C\v" Flexible Pipe and
Collar Overlap
MHSC Horizontal
Vent Termination
Figure 44 -
Typical Horizontal Flex Vent Installation
7TDVP58 5" x 8" to
4" x 7" Reducer
FP1974
UL1777
Flex Vent
Screws
(3 places,
equidistant just
above gear
clamp)
1C\v" Flex-
ible Pipe and
Adapter Outer
Appliance
Starting Collar
Figure 41 -
Typical 4" x 7" Appliance
Connection
5" x 8" to 4" x 7"
Adapter (7TDVP58)
Gear Clamp
FP1972a
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