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Appendix D—HeatShift System
Wall Valance Discharge Opening using LDK7—Duct Termination Plates
Ceiling
Note: Staining or streaking may
occur on light colored ceilings due
Maximizing the opening size will
help reduce any staining or
streaking.
LDK 7 - Duct
Termination Plates (2)
for horizontal
installation ONLY!
Combustible wall
construction
See installation manual packed
with appliance for minimum
combustible cavity dimensions
80
Minimum length
of opening, front
and sides
L1 - 1500 = 40"
L2 - 1700 = 50"
L3 - 1800 = 64"
2-1/2" min.
Non-combustible
cement board
Continuous ceiling
See clearances
to combustibles
next page
14" min.
4"
to form plenum
above duct
termination plates
2 x 4 on edge to support
plates as necessary -
maintain 1" clearance to pipes
Min. 1" clearance
around pipes
Vertical vent can pass between
duct termination plates
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