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INSTALLATION FOR VERTICAL TERMINATION
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. See Figure 25 to avoid cutting load bearing
members.
For optimal flame appearance, a restrictor disk is necessary on straight
vertical runs of 20' of more.
• Runs may not incorporate elbows.
• The disk is part number 45D0551 and is included in instal-
lation manual packet.
• Drop the disk into a 4" inner collar before installing the first
section of flue or install at the last section before installing the
termination.
• 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 within the parameters shown in Figures
23 and 24, page 22.
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.
Drop a plumb line from the inside of the roof to the ceiling locat-
ing 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
1. Cut a 9
/
" (241mm) square hole in the ceiling using the locating
2
hole as a center point The opening should be framed to 9
(241mm x 241mm) inside dimensions as shown in Figure 27
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. See Figure 26. Otherwise, install
firestop below the framed hole. See Figure 27.
2. Assemble the desired lengths of pipe and elbows necessary to
reach from the burner system flue up through the firestop. Be
sure pipe and elbow connections are fully twist-locked.
74D0010
Wall
Strap
Figure 25 - Offset with Wall Strap and 45°
Figure 26 - If Area Above is a Room, Install
Firestop above Framed Hole as Shown
1
1
/
"x9
/
"
2
2
Figure 27 - If Area Above is Not a Room, Install
Firestop above Framed Hole as Shown
VENT INSTALLATION
45° Elbows
Ceiling Firstop
Elbows
Firestop
9
"
1
/
/
1
2
"
9
2
Nails
Firestop
Roof
Flashing
Nails
3
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