MHSC MPL11 Installation, Operation And Maintenance Manual page 19

outSide coMbuStioN air
installing Model 403 duct connector
1. Push insulation back approximately 2" from the end of each duct.
2. Slip each duct over duct connector until an equal length of connector extends into each duct.
3. Place duck clamp over the end of each duct. Tighten duct clamp down snuggly.
4. Push insulation back into place and over duct clamp.
Figure 23
1 2
Loop Disengaged Slip Band
Clamp Around Through
Duct Housing
Figure 25
FP1906
Duct connector
typical Methods 8/08
of outside air kit
installation
87D0173
2"
App.
3
Snap Screw
Down and
Tighten
FP1906
AK-4 Air Kit Installed Hori-
zontally out an Exterior Wall
FP2355
outside air location
MPL11 Woodburning Fireplace
Figure 24
Approximately
Duct Connector
Duct Clamp
FP1907
FP1907
Duct connector
8/08
AK-4 Air Kit Installed Downward into
an Adequately Vented Crawl Space
2"
Insulation
FP2355
19