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)
A
PW MODEL
DOMESTIC
BOILER
FLOW (GPM)
PRESSURE LOSS (PSI)
MAX. FLOW (GPM)
OUTLET TEMP (
°
F)
MAX. PRESSURE LOSS (PSI)
116
8
A
PW030DW
17
1
75
111
8
125
A
PW015DW
10
1
75
A
PW050DW
24
1
75
A
PW090DW
48
1
160
107
9
105
8
A
PW070DW
37
1
130
107
14
A
PW120DW
70
1
225
106
15
A
PW105DW
59
1
225
109
15
8
A
PW030DW
23
1
75
111
8
130
A
PW015DW
13.5
1
75
119
A
PW050DW
31.5
1
75
A
PW090DW
63
1
160
106
9
104
8
A
PW070DW
50
2
130
106
14
A
PW120DW
92
1
225
105
15
A
PW105DW
79
1
225
108
15
8
A
PW030DW
33
1
75
113
8
140
A
PW015DW
20.5
1
75
123
A
PW050DW
44.5
2
75
A
PW090DW
89
1
160
106
9
103
8
A
PW070DW
70
3
130
107
14
A
PW120DW
130
2
225
105
15
A
PW105DW
111
1
225
110
15
8
A
PW030DW
42
2
75
115
8
150
A
PW015DW
26.5
1
75
128
A
PW050DW
56
2
75
A
PW090DW
112
1
160
107
9
104
8
A
PW070DW
80
3
130
112
14
A
PW120DW
160
2
225
106
15
A
PW105DW
142
1
225
111
15
8
A
PW030DW
51
2
75
118
8
160
A
PW015DW
32
1
75
133
A
PW050DW
67
2
75
A
PW090DW
134
1
160
108
9
105
8
A
PW070DW
80
3
130
122
14
A
PW120DW
160
2
225
116
15
A
PW105DW
160
2
225
116
15
8
A
PW030DW
59
2
75
121
8
170
A
PW015DW
38
1
75
138
A
PW050DW
78
3
75
A
PW090DW
155
2
160
110
9
105
8
A
PW070DW
80
3
130
132
14
A
PW120DW
160
2
225
126
15
AP
W105DW
160
2
225
126
15
114
8
A
PW070DW
80
3
130
142
14
8
A
PW030DW
68
3
75
124
8
AP
W015DW
44
2
75
143
A
PW050DW
80
3
75
15
A
PW105DW
160
2
225
136
15
A
PW090DW
160
2
160
118
9
190
200
210
220
AP
W120DW
160
2
225
136
180
A
PW050DW
A
PW070DW
A
PW090DW
A
PW105DW
A
PW120DW
A
PW015DW
A
PW070DW
A
PW090DW
A
PW105DW
A
PW120DW
A
PW015DW
A
PW030DW
A
PW120DW
A
PW015DW
A
PW030DW
A
PW050DW
A
PW070DW
A
PW090DW
A
PW105DW
A
PW030DW
A
PW050DW
A
PW070DW
A
PW090DW
A
PW105DW
A
PW120DW
A
PW015DW
A
PW030DW
A
PW050DW
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 flow velocity through the piping.
Table 11A
Sizing Chart _ 60 - 120