Y
Max. Allowable
Vertical Rise
Horizontal
30"
36"
42"
48"
54"
60"
66"
12'-0"
96" Max.
96" Max.
6
X
Off set
24"
36"
48"
60"
72"
84"
96"
Support horizontal
sections of pipe using
strapping every 24"
5"
Min. bend
radius
Top of fireplace
Maximum allowable Horizontal Offset
(offset for take-off
that's furthest away)
LDK 1, LDK 3 or LDK 4
8"
Min. bend
radius
+
5"
4
12
DO NOT RUN
pipe horizontal.
Minimum slope 4:12
'X'
Ceiling
Min. 2-1/2"
clearance
to ceiling
Min. 1"
Vertical Rise
clearance to
'Y'
combustibles
(Min. 30"
around pipes
Max. 12'-0")