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KSTDV Series Gas Fireplace
InSTallaTIon For VerTIcal TerMIna-
TIon
1. Determine the route your vertical venting will take. If
ceiling joist, roof rafters or other framing will obstruct
the venting system, consider an offset. Refer to Figure
19 to avoid cutting load bearing members.
For optimal flame appearance, a restrictor disk is necessary
on straight vertical runs of 10' of more.
•
Runs may not incorporate elbows.
•
The disk is part number 56D3027 and is included in
installation manual packet.
•
Drop the disk into a 5" inner collar before installing the
first section of flue or install at the last section before
installing the termination. Also disk can be installed
from inside the firebox into the 5" inner collar.
•
An additional disk may be installed on runs of 35' or
more. Rotate disks perpendicular to each other.
noTe: Pay special attention to these installation instructions
for required clearances (air space) to combustibles when
passing through ceilings, walls, roofs, enclosures, attic
rafters, etc. Do not pack air spaces with insulation. Also
note maximum vertical rise of the venting system and any
maximum horizontal offset limitations. Offsets must fall
Wall Strap
FP1669
Figure 19 -
Offset with Wall Strap and 45° Elbows
within the parameters shown in Figures 20 and 21.
FP1969
offset w/ wallstrap
2. Set fireplace in desired location. Drop a line plumb down
from the ceiling to the position of the flue exit. Mark the
center point where the vent will penetrate the ceiling.
Drill a small locating hole a this point.
18
Roof Flashing
45° Elbows
Ceiling Firestop
Drop a plumb line from the inside of the roof to the ceiling
locating hole in the ceiling. Mark the center point where
the vent will penetrate the roof. Drill a small locating hole
at this point.
FlaT ceIlInG InSTallaTIon
1. Cut a 10Z\x" (241 mm) square hole in the ceiling using
the locating hole as a center point The opening should
be framed to 10Z\x"x10Z\x" (241 mm x 241 mm) inside
dimensions as shown in Figure 21 using framing lumber
the same size as the ceiling joist. If the area above the
ceiling is an insulated ceiling or a room, nail firestop from
the top side. This prevents loose insulation from falling
into the required clearance space. Figure 20. Otherwise,
install firestop below the framed hole. Figure 21
Figure 20 -
If Area Above is a Room, Install Firestop above
Framed Hole as Shown
/
1
1 0
FP1969
firestop w room above
Nails
Figure 21 -
If Area Above is Not a Room, Install Firestop above
Framed Hole as Shown
FP1970
firestop no room
VenTInG InSTallaTIon
Nails
Firestop
1 0
"
1
2
/
"
2
Firestop
FP1970
73D4125
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