Overview (applies to all kits)
Flexible or rigid,
5" diameter
UL-181, Class 1
Air Duct (4)
(use LDK6 kit
or equivalent)
Min. 1"
clearance to
combustibles
around pipe
Y
Max. Allowable
Vertical Rise
Horizontal
30"
36"
42"
48"
54"
60"
66"
12'-0"
4
All manuals and user guides at all-guides.com
X
Offset
24"
36"
48"
60"
72"
84"
Support horizontal
96"
sections of pipe using
96" Max.
strapping every 24"
5"
Min. bend
radius
Maximum allowable Horizontal Offset
(offset for take-off
that's furthest away)
Ceiling
Min. 2-1/2"
clearance
to ceiling
8-1/2"
14-1/2"
9-3/8"
LDK 1, LDK 3 or LDK 4
8"
Min. bend
radius
+
5"
4
12
DO NOT RUN
pipe horizontal.
Minimum slope 4:12
Top of fireplace
'X'
Ceiling
Min. 2-1/2"
clearance
to ceiling
Min. 1"
Vertical Rise
clearance to
combustibles
(Min. 30"
around pipes
Max. 12'-0")
'Y'