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Heat & Glo • SL-350TRS-C, SL-550/750TRS-IPI-D • 2065-985 Rev. J • 5/06
23
90-DEGREE
ELBOWS
Figure 9.
Flex Vent
The flex vent must be supported with the spacing between
support intervals not exceeding 4 feet, with no more than ½
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 9) requires only enough support to main-
tain the necessary clearance to combustibles. However, the
vent attachment point and the firestop location are consid-
ered to be supports.
3” CLEARANCE
TERMINATION
CAP
FLEX-VENT
1”
CLEARANCE
WITH TWO 90
0
ELBOWS
STRAIGHT UP
VERTICAL VENTING
V (FT.)
45' MAX.
Figure 10.
Straight up Vertical Venting
Use SL D-Series
components only.
NOTE: For vertical venting
over 20 feet a restrictor
plate is recommended for
improved flame appearance.
V
CAP
STRAIGHT OUT HORIZONTAL VENTING
H
Max. Run
36" (914 mm)
Figure 11. Straight Out Horizontal Venting
H
Use two 90
0
elbows for corner installations.
The use of two 90
0
elbows in a corner installa-
tion will affect space requirements (see Fig. 4)
Use DVP-Series
components only.