Montigo MW34 DV - Manual (Page 10)

Page 10 of 21
W3400 Gas Fireplace
Installation
Rear Vent
Figure 17. Model W3400R Venting Graph
0 12 24 36 48 60 72 84 96 108 132 120 144 156 168 180
Horizontal Run (in.)
Hearth
0
12
24
36
48
60
72
84
96
108
8"
H
L
Installation Of Rear Vent DV
A complete W3400R (rear vent) system may comprise up to six
individual components:
A - Termination PTO-3F (3" length)
B - Stucco Kits MSR (stucco frame)
BSR-4 (4" brick frame)
BSR-6 (6" brick frame)
MOSR (stucco can)
D - Flex sections PFL-1 (12" section)
PFL-2 (24" section)
PFL-3 (36" section)
PFL-4 (48" section)
E - Solid sections PEXT-1 (12" section)
PEXT-2 (24" section)
PEXT-3 (36" section)
PEXT-4 (48" section)
F - 90 degree elbow MEL-90 (90° 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).
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.