A.O. Smith AHPW-25 Installation & Service Manual

31
11 Sizing data
Indirect Plate Water Heater Installation & Service Manual
How to Properly Size Your Indirect Plate Water Heater
DOMESTIC WATER INLET-
OUTLET (°F)
BOILER WATER INLET TEMP
(°F)
APW MODEL
DOMESTIC
BOILER
FLOW (GPM)
PRESSURE LOSS (PSI)
MAX. FLOW (GPM)
OUTLET TEMP (°F)
MAX. PRESSURE LOSS (PSI)
116
8
APW030DW
17
1
75
111
8
125
APW015DW
10
1
75
APW050DW
24
1
75
APW090DW
48
1
160
107
9
105
8
APW070DW
37
1
130
107
14
APW120DW
70
1
225
106
15
APW105DW
59
1
225
109
15
8
APW030DW
23
1
75
111
8
130
APW015DW
13.5
1
75
119
APW050DW
31.5
1
75
APW090DW
63
1
160
106
9
104
8
APW070DW
50
2
130
106
14
APW120DW
92
1
225
105
15
APW105DW
79
1
225
108
15
8
APW030DW
33
1
75
113
8
140
APW015DW
20.5
1
75
123
APW050DW
44.5
2
75
APW090DW
89
1
160
106
9
103
8
APW070DW
70
3
130
107
14
APW120DW
130
2
225
105
15
APW105DW
111
1
225
110
15
8
APW030DW
42
2
75
115
8
150
APW015DW
26.5
1
75
128
APW050DW
56
2
75
APW090DW
112
1
160
107
9
104
8
APW070DW
80
3
130
112
14
APW120DW
160
2
225
106
15
APW105DW
142
1
225
111
15
8
APW030DW
51
2
75
118
8
160
APW015DW
32
1
75
133
APW050DW
67
2
75
APW090DW
134
1
160
108
9
105
8
APW070DW
80
3
130
122
14
APW120DW
160
2
225
116
15
APW105DW
160
2
225
116
15
8
APW030DW
59
2
75
121
8
170
APW015DW
38
1
75
138
APW050DW
78
3
75
APW090DW
155
2
160
110
9
105
8
APW070DW
80
3
130
132
14
APW120DW
160
2
225
126
15
APW105DW
160
2
225
126
15
114
8
APW070DW
80
3
130
142
14
8
APW030DW
68
3
75
124
8
APW015DW
44
2
75
143
APW050DW
80
3
75
15
APW105DW
160
2
225
136
15
APW090DW
160
2
160
118
9
190
200
210
220
APW120DW
160
2
225
136
180
APW050DW
APW070DW
APW090DW
APW105DW
APW120DW
APW015DW
APW070DW
APW090DW
APW105DW
APW120DW
APW015DW
APW030DW
APW120DW
APW015DW
APW030DW
APW050DW
APW070DW
APW090DW
APW105DW
APW030DW
APW050DW
APW070DW
APW090DW
APW105DW
APW120DW
APW015DW
APW030DW
APW050DW
50
2
76
3
80
75
75
75
3
80
3
160
2
160
2
225
225
130
160
80
3
80
3
160
2
160
2
55
2
80
3
80
3
80
3
80
3
160
2
160
2
61
2
148
8
127
8
124
8
160
2
80
3
160
2
160
2
67.5
2
80
3
80
3
160
2
160
2
146
15
154
8
133
8
152
14
128
9
146
15
156
15
156
15
159
8
133
8
162
14
138
9
15
166
15
143
8
143
8
172
14
75
75
130
160
225
160
2
176
15
182
14
158
9
176
15
164
8
153
8
153
8
148
9
165
60-120
160
225
225
225
225
75
75
75
130
225
75
75
75
130
160
75
NOTE: Highlighted items are limited by the maximum ow velocity through the piping.
Table 11A Sizing Chart _ 60 - 120

A.O. Smith AHPW-25 Specifications

General

Brand	A.O. Smith
Model	AHPW-25
Category	Water Heater
Language	English