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HEATFLOW CONVECTION KIT INSTALLATION
INSTALLATION INSTRUCTIONS:
For approved installations, the ducted flex kit must meet the following
requirements:
Minimum height: 68" (1,7m)
The height of the louver must be measured from the base of the fireplace
to the center point of the louver.
Minimum Ceiling and Side Wall Clearances: 11" (280mm)
Louver ceiling and side wall clearance must be measured from the
bottom of the ceiling or from the side wall to middle point of the louver.
Maximum Length: 10' [3.1m] (See Figure 23)
Framing
5/8" [16mm]
Finished
Wall
Figure 23 - Clearances
Figure 24 - Collar Slot and Adaptor Tab Alignment
18
(continued)
11" [280mm]
Min.
12"
[305mm]
Grill
3/8" [10mm]
Wall Thimble
Duct Ring
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
It is recommended that the ducted flex kit duct system be installed in
the following order:
1. Plan and frame fireplace and outlet locations prior to ducted flex kit
installation.
2. Remove the two 8" diameter cutouts on top of the fireplace. Then,
cut the insulation in order to obtain two 8" diameter openings and
remove the insulation.
3. On the duct adaptor, bend the appropriate tabs down so that the
bottom of the adaptor is just below the bottom of the insulation.
4. Align the collar slots with the holes in the adaptor; fasten the collar
and the adaptor to the top of the fireplace using 3 of the sheet metal
screws provided. The collar will fit loosely around the openings (see
Figure 24).
11" [280mm]
Min.
Side Wall
Duct Adaptor Tab
12-5/8" [321mm]
Min. Offset
Ceiling
68" (1.7m)
Min.
Fireplace
Front
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