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rooF curB dimensions
Figure 38.1 - roof-curb dimensions - size 110-130
CURB DETAIL
FLOOR/BASE
GASKET
WOOD NAILER
CURB
2.1
1-3/4
27/32
1 3/4
TYPICAL FOR SIZE 110-118
TYPICAL FOR SIZE 110-118
table 38.1 - roof-curb dimensions - size 110-130 (inches)
curb inside
model
dimensions
size
a
B
110
37 1/2
65 1/2
13 1/4
112
37 1/2
65 1/2
15 3/4
115
46 1/2
76 1/2
18 3/4
118
46 1/2
76 1/2
120
72 1/2
90 1/2
24 7/8
122
72 1/2
90 1/2
27 3/8
124
72 1/2
90 1/2
28 3/8
125
86 1/2
104 1/2
31 3/8
127
86 1/2
104 1/2
34 3/8
130
86 1/2
104 1/2
36 7/8
Figure 38.2 - roof-curb dimensions - size 220-230
3-1/4
1-3/4
table 38.2 - roof-curb dimensions - size 220-230 (inches)
curb inside
model
dimensions
size
a
B
220
124 1/2
90 1/2
24 7/8
222
124 1/2
90 1/2
27 3/8
225
148 1/2
104 1/2
31 3/8
230
148 1/2
104 1/2
36 7/8
38
CASING
1-3/4
B
3-1/4
B
1-3/4
14 or 24
F
DISCHARGE
RETURN
3-1/4
C
3-1/4
1-3/4
RETURN
K
J
3-1/4
discharge air dimensions
(optional)
1-3/4
c
d
e
F
11 1/2
3 1/2
7 1/8
13 9/16
4 7/16
5 7/8
16
5 7/8
8 7/8
22
19
7 13/16
7 1/4
24 7/8
8 1/2
16 13/16 30 13/16
27 3/8
9 1/2
14 9/16
31 3/8
10 1/2
14 1/16
31 3/8
10 1/2
19 9/16
34 3/8
12 1/2
18 1/16
36 7/8
13 1/2
16 13/16 32 13/16
1-3/4
B
F
DISCHARGE
C
G
DISCHARGE
C
RETURN
K
L
J
3-1/4
1-3/4
1-3/4
discharge air dimensions
(optional)
c
d
e
F
24 7/8
8 1/2
13 5/16
27 3/8
9 1/2
12 1/16
31 3/8
10 1/2
16 1/16
36 7/8
14
13 5/16
1-3/4
1-3/4
A
F
E
DISCHARGE
C
D
A
G
J
K
H
E
G
DISCHARGE
D
C
H
1-3/4
L
return air dimensions
(optional)
1-3/4
G
h
J
17 1/8
10
26
15 7/8
18 7/8
12
35
17 1/4
14
55
30 9/16
30 1/16
n/a
n/a
35 9/16
34 1/16
20
69
BASE FRAME
GASKET
A
E
1-3/4
D
14 or 24
TYPICAL FOR SINGLE & DUAL FAN
H
return air dimensions
(optional)
G
h
J
32 1/8
29
14
29 5/8
37 5/8
32
20
32 1/8
7-500.10
CURB DETAIL
BASE PAN
BASE FRAME
1-3/4
GASKET
14 or 24
CURB
1-3/4
1-3/4
14 or 24
TYPICAL FOR SINGLE & DUAL FAN
TYPICAL FOR SIZE 120-130
Gasket
length
(Feet)
K
14" high
8 1/4
19
8 1/4
23
14 1/4
29
n/a
14 1/4
34
CURB DETAIL
CASING
BASE PAN
7/8
14 or 24
CURB
WOOD NAIL
1-3/4
1
TYPICAL FOR SIZE 220-230
Gasket
length
(Feet)
K
l
14" high
107
14
38
131
14
44
CASING
7/8
14 or 24
WOOD NAIL
1
curb Weight (lbs)
24" high
115
180
140
215
220
375
240
410
curb Weight (lbs)
24" high
285
485
315
540
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