Dimensional data – A.O. Smith NW 37-670 User Manual
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DIMENSIONAL DATA
SIZES AND DATA 45KW THRU 720KW
Model Number
Inlet* & Boiler
Prefix
Gal.Cap. Std.KWInput
D
E
F
G**
H
J
K
S
T
U
Outlet*
Drain
NW
37
45K
32
30
12
42
12 1/2
-
-
20
4
42
3
1
NW
37
60K
32
30
12
42
12 1/2
-
-
20
4
42
3
1
NW
37
75K
32
30
12
42
12 1/2
-
-
20
4
42
2
1
NW
37
90K
32
30
12
42
12 1/2
-
-
20
4
42
3
1
NW
37
105K
32
30
12
42
12 1/2
-
-
20
4
42
3
1
NW
37
120K
32
30
12
42
12 1/2
-
-
20
4
42
3
1
NW
37
150K
32
30
12
42
12 1/2
-
-
20
4
42
3
1
NW
37
180K
32
30
12
42
12 1/2
-
-
20
4
42
3
1
NW
60
210K
32
30
12
57
12 1/2
-
-
20
4
57
3
1
NW
60
240K
32
30
12
57
12 1/2
-
-
20
4
57
3
1
NW
60
270K
32
30
12
57
12 1/2
-
-
20
4
57
3
1
NW
60
300K
32
30
12
57
12 1/2
-
-
20
4
57
3
1
NW
96
330K
40
38
16
691/2
17
1 1/2
17
24
5
78
4
1 1/4
NW
96
390K
40
38
16
69 1/2
17
1 1/2
17
24
5
78
4
1 1/4
NW
96
420K
40
38
16
69 1/2
17
1 1/2
17
24
5
78
4
1 1/4
NW
96
450K
40
38
16
69 1/2
17
1 1/2
17
24
5
78
4
1 1/4
NW
96
480K
40
38
16
69 1/2
17
1 1/2
17
24
5
78
4
1 1/4
NW
150
540K
54
44
19
69 1/2
20
2
20
27
5 1/2
69 1/2
5
1 1/2
NW
150
600K
54
44
19
69 1/2
20
2
20
27
5 1/2
69 1/2
5
1 1/2
NW
150
660K
54
44
19
69 1/2
20
2
20
27
5 1/2
69 1/2
5
1 1/2
NW
150
720K
54
44
19
69 1/2
20
2
20
27
5 1/2
691/2
5
1 1/2
* All fittings under 4” will be threaded type. All fittings 4” and larger will be flanged. 3” fittings extend 4” beyond jacket.
** Where overall height is a problem a larger diameter vessel with a reduced height may be furnished.
Lifting lugs and channel skid base on 96 gallon and larger units.