WALL
2" (5.1 cm)
MINIMUM
NO SCREEN
OR CAP
AIR OUT
24
NOTE: WHERE THE EXHAUST DUCT PIERCES A COMBUSTIBLE WALL
OR CEILING, AN OPENING HAVING A DIAMETER FOUR INCHES (10.2 cm)
LARGER THAN THE DIAMETER OF THE EXHAUST DUCT SHALL BE
PROVIDED, AND THE EXHAUST DUCT CENTERED WITHIN THE OPENING.
L
DUCT STATION
A
B
C
D
E
F
G
H
I
J
K
L
K
J
I
H
G
F
MINIMUM DIAMETER
GAS & ELEC.
10" (25.4 cm)
12" (30.5 cm)
15" (38.1 cm)
17" (43.2 cm)
19" (48.3 cm)
21" (53.3 cm)
23" (58.4 cm)
25" (63.5 cm)
26" (66.0 cm)
27" (68.6 cm)
29" (73.9 cm)
30" (76.2 cm)
Figure 5
INSPECTION OR
CLEANOUT COVER
E
D
C
B
A
45˚
STEAM
10" (25.4 cm)
14" (35.6 cm)
17" (43.2 cm)
20" (50.8 cm)
22" (55.9 cm)
24" (61.0 cm)
26" (66.0 cm)
28" (71.1 cm)
30" (76.2 cm)
31" (78.0 cm)
33" (83.8 cm)
34" (86.4 cm)
T056IE3B
70369801