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W3400 Gas Fireplace
108
96
84
72
60
48
36
24
12
0
0
12 24 36 48 60 72 84 96 108
Hearth
Horizontal Run (in.)
Figure 17. Model W3400R Venting Graph
Installation Of Rear Vent DV
A complete W3400R (rear vent) system may comprise up to six
individual components:
A - Termination
B - Stucco Kits
D - Flex sections
E - Solid sections
F - 90 degree elbow
NOTES:
All dimension lengths for vertical or horizontal runs are
measured from center of the vent pipe.
Venting runs must fall within the limits set by the venting
graph (see Figure 17).
Page 10 of 21
Installation
120
132
144 156 168 180
PTO-3F (3" length)
MSR (stucco frame)
BSR-4 (4" brick frame)
BSR-6 (6" brick frame)
MOSR (stucco can)
PFL-1 (12" section)
PFL-2 (24" section)
PFL-3 (36" section)
PFL-4 (48" section)
PEXT-1 (12" section)
PEXT-2 (24" section)
PEXT-3 (36" section)
PEXT-4 (48" section)
MEL-90 (90° elbow)
Rear Vent
8"
min 8"
max 18"
Figure 18. Multi-elbow installation. Distance 'H' must be a minumum of
50". The vent run must comply with figure 17.
L
H
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