Dimensions And Capacities Data - A.O. Smith Lowboy 6 Instruction Manual

Commercial light duty electric water heaters
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DIMENSIONS AND CAPACITIES DATA

Tank Capacity
Models
No. of
Dimensions
Elements
US Gals.
Lowboy-6
1
6
Lowboy-10
1
10
Lowboy-15
1
15
Lowboy-20
1
20
Lowboy-30
2
30
Lowboy-40
2
40
Lowboy-50
2
50
Tall-30
2
30
Tall-40
2
40
Tall-52
2
50
Tall-66
2
66
Tall-80
2
80
Tall-120
2
119
Element
Wattage
(Upper/Lower)
NON-SIMULTANEOUS
/1500
/2000
/2500
3000/3000
4000/4000
4500/4500
5000/5000
6000/6000
SIMULTANEOUS OPERATION
3000/3000
4000/4000
4500/4500
5000/5000
6000/6000
Recovery capacities at 100° F rise equal: for non-simultaneous element operation = 4.1 gal. x KW of one element; for simultaneous element operation = 4.1 gal. x 2/3 KW of
both elements. For other rises multiply element KW as previously explained by 410 and divide by temperature rise. Full load current for single phase = total watts : voltage.
TABLE 1 - ROUGH-IN DIMENSIONS
A
Litres
inches
mm
23
15 1/2
394
38
18 1/4
464
57
26
660
76
22 1/4
565
114
30 7/8
784
151
32 1/4
819
189
32 1/4
819
114
34 1/2
876
151
45 1/8
1146
189
54 7/8
1394
250
60 3/4
1543
303
59 3/8
1508
450
62 7/16
1586
TABLE 2 - RECOVERY CAPACITIES
U.S. Gallons/Hr and Litres/Hr at TEMPERATURE RISE INDICATED
INPUT
36F°
40F°
KW
20C°
22.2C°
GPH
17
15
1.5
LPH
64
58
GPH
23
20
2.0
LPH
85
77
GPH
28
25
2.5
LPH
107
96
GPH
34
30
3.0
LPH
128
115
GPH
45
41
4.0
LPH
170
153
GPH
51
46
4.5
LPH
192
173
GPH
56
51
5.0
LPH
213
192
GPH
68
61
6.0
LPH
256
230
GPH
68
61
6
LPH
256
230
GPH
90
81
8
LPH
341
307
GPH
101
91
9
LPH
384
345
GPH
113
101
10
LPH
426
384
GPH
135
122
12
LPH
511
460
FIGURE 1
B
inches
mm
inches
14 1/4
362
11
18
457
12 1/2
18
457
20 1/2
21 3/4
552
15 3/8
21 3/4
552
24 1/8
24
610
25 9/16
26 1/2
673
25 1/8
20 1/2
521
-
20 1/2
521
-
20 1/2
521
-
21 3/4
552
-
24
610
-
29 3/8
746
-
54F°
60F°
72F°
80F°
30C°
33.3C°
40C°
44.4C°
11
10
8
8
43
38
32
29
15
14
11
10
57
51
43
38
19
17
14
13
71
64
53
48
23
20
17
15
85
77
64
58
30
27
23
20
114
102
85
77
34
30
25
23
128
115
96
86
38
34
28
25
142
128
107
96
45
41
34
30
170
153
128
115
45
41
34
30
170
153
128
115
60
54
45
41
227
205
170
153
68
61
51
46
256
230
192
173
75
68
56
51
284
256
213
192
90
81
68
61
341
307
256
230
5
C
D
mm
inches
mm
279
-
-
318
-
-
521
-
-
391
-
-
613
8
203
649
8
203
638
8
203
-
8
203
-
8
203
-
8
203
-
8
203
-
8
203
-
8
203
90F°
100F°
108F°
120F°
50C°
55.5C°
60C°
66.6C°
7
6
6
5
26
23
21
19
9
8
8
7
34
31
28
26
11
10
9
8
43
38
36
32
14
12
11
10
51
46
43
38
18
16
15
14
68
61
57
51
20
18
17
15
77
69
64
58
23
20
19
17
85
77
71
64
27
24
23
20
102
92
85
77
27
24
23
20
102
92
85
77
36
32
30
27
136
123
114
102
41
36
34
30
153
138
128
115
45
41
38
34
170
153
142
128
54
49
45
41
205
184
170
153
Approx.
Shipping Weight
Lbs.
Kg.
35
15.9
54
24.5
58
26.3
73
33.1
100
45.4
125
56.7
166
75.3
98
44.5
113
51.3
131
59.4
176
79.8
211
95.7
326
147.9
126F°
70C°
5
18
6
24
8
30
10
37
13
49
14
55
16
61
19
73
19
73
26
97
29
110
32
122
39
146

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