12
Twin City IM-4050
Model DCLH
B
D
A
E SQUARE
C
2.00
Dimensions and Weights
Model BCLH
C
B
A
D
F
2.00 TYP
E SQUARE
SIZE
A
MAX.
B
C
D
E
SQ.
CANTED
CURB
DAMPER
SIZE
AVG. SHIP
WT. (LBS)
60
14.13
26.13
22.00
2.00
17.00
15
1
⁄
2
x 15
1
⁄
2
10 x 10
55
70
14.13
26.13
22.00
2.00
17.00
15
1
⁄
2
x 15
1
⁄
2
10 x 10
55
80
14.13
26.13
28.00
2.00
17.00
15
1
⁄
2
x 15
1
⁄
2
10 x 10
59
85
15.88
26.13
28.00
2.38
17.00
15
1
⁄
2
x 15
1
⁄
2
10 x 10
62
90
15.88
26.13
28.00
2.38
17.00
15
1
⁄
2
x 15
1
⁄
2
10 x 10
62
95
15.88
26.13
28.00
2.38
17.00
15
1
⁄
2
x 15
1
⁄
2
10 x 10
62
100
18.88
26.63
30.00
2.38
17.00
15
1
⁄
2
x 15
1
⁄
2
10 x 10
78
120
19.13
26.63
30.00
2.63
20.00
18
1
⁄
2
x 18
1
⁄
2
14 x 14
81
SIZE
A
MAX.
B
C
D
E
SQ.
F
CANTED
CURB
DAMPER
SIZE
AVG. SHIP
WT. (LBS)
100
17.75
38.63
28.00
3.00
20.00
10.00
18
1
⁄
2
x 18
1
⁄
2
14 x 14
110
120
18.50
38.63
28.00
3.75
20.00
10.00
18
1
⁄
2
x 18
1
⁄
2
14 x 14
113
140
19.81
39.13
35.00
4.00
24.00
9.38
22
1
⁄
2
x 22
1
⁄
2
18 x 18
126
160
20.25
39.13
35.00
4.38
26.00
9.38
24
1
⁄
2
x 24
1
⁄
2
20 x 20
131
180
21.13
51.13
40.00
4.38
30.00
10.50
28
1
⁄
2
x 28
1
⁄
2
24 x 24
168
210
23.13
51.13
43.00
5.00
30.00
12.00
28
1
⁄
2
x 28
1
⁄
2
24 x 24
185
240
23.63
51.13
46.25
5.75
34.00
11.50
32
1
⁄
2
x 32
1
⁄
2
28 x 28
203
300
26.75
63.13
52.50
5.50
40.00
11.50
38
1
⁄
2
x 38
1
⁄
2
34 x 34
307
360
31.13
63.13
62.50
7.13
46.00
12.75
44
1
⁄
2
x 44
1
⁄
2
40 x 40
363
420
33.25
75.13
70.63
8.50
52.00
14.75
50
1
⁄
2
x 50
1
⁄
2
46 x 46
488
480
36.13
87.13
75.63
9.25
58.00
14.50
56
1
⁄
2
x 56
1
⁄
2
50 x 50
555
540
43.84
87.13
85.50
10.38
64.00
17.00
62
1
⁄
2
x 62
1
⁄
2
56 x 56
690
Note:
Roof opening = Damper size + 0.50 inches
Note:
Roof opening = Damper size + 0.50 inches