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Appendix D—HeatShift™System
Overview (applies to LDK7)
Wall
Flexible or rigid,
5” diameter
UL-181, Class 1
Air Duct (4)
(use LDK6 kit
or equivalent)
Min. 2-1/2”
opening
M
in. 30”
[762 mm]
M
ax. 12’-0”
[3,658 mm]
See table f
or off
sets
8-3/4”
[222 mm]
19-1/2”
[496 mm]
8-11/16”
[221 mm]
Ceiling
Min. 1”
clearance to
combustibles
around pipe
36-15/16”
[938 mm]
NOTE Discharge opening must be located in the
same room as fireplace when using LDK7.
