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Majestic • JADE32IN, JADE42IN, JADE42IL Installation Manual • 2491-986 Rev. K
• 10/18
G. Vent Diagrams
Figure 4.9 Vent Cap
F. Use of Flex Vent (SLP-FLEX Series 6-5/8
Inch)
The flex vent must be supported with the spacing between
support intervals not exceeding 4 feet, with no more than
1/2 inch sag between supports.
A support is required at each change in venting direction,
and in any location where it is necessary to maintain the
necessary clearance to combustibles. A simple “up and
out” installation (Figure 4.8) requires only enough support
to maintain the necessary clearance to combustibles.
However, the vent attachment point and the firestop loca
-
tion are considered to be supports.
Figure 4.8 Flex Vent Pipe - Generic Fireplace Shown
3 in. CLEARANCE
TERMINATION
CAP
FLEX-VENT
1 in.
CLEARANCE
General Rules:
• Elbows may be placed back to back anywhere in the
system.
•
Any 90º elbow may be replaced with two back to back
45º elbows.
• When penetrating a combustible wall, a wall shield
firestop must be installed.
• When penetrating a combustible ceiling, a ceiling
firestop must be installed.
• Horizontal runs of vent do not require vertical rise;
horizontal runs may be level.
• Horizontal termination cap should have a 1/4 inch
downward slant to allow any moisture in cap to be
released. See Figure 4.9.
1/4 in. max.
(6 mm)