Appendix D - HeatShift
Installation
®
Overview (applies to LKD1, LDK3 and LDK4 kits)
Ceiling
Flexible or rigid,
Min. 2-1/2"
5" diameter
clearance
UL-181, Class 1
to ceiling
Air Duct (4)
(use LDK6 kit
or equivalent)
Min. 1"
clearance to
combustibles
around pipe
LX2 5-1/4"
LX2 17"
LX2 11"
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