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AQUA PLUS indirect-fired water heaters — Product Manual
Ratings with 190°F boiler supply water
For water heater to achieve the rated performance below: Boiler water must be supplied to the water heater at at
least 190°F, and the boiler water flow rate must be no less than given in the tables below.
Boiler
Heating
Capacity
MBH
First Hour Rating Capacity (GPH) — Boiler Water Supply at 190°F
DO NOT exceed the boiler-side flow rate listed in “Maximum boiler-side flow rate,” page 23
DHW
temps
AQUA
PLUS
35
Boiler
Water
Min GPM &
Head Loss
AQUA
PLUS
45
Boiler
Water
Min GPM &
Head Loss
AQUA
PLUS
55
Boiler
Water
Min GPM &
Head Loss
AQUA
PLUS
85
Boiler
Water
Min GPM &
Head Loss
AQUA
PLUS
105
Boiler
Water
Min GPM &
Head Loss
50
DHW 50°F to 140°F
93
8 GPM
minimum
@
1.6 ft wc
103
8 GPM
minimum
@
1.6 ft wc
124
8 GPM
minimum
@
1.6 ft wc
138
14 GPM
minimum
@
5.4 ft wc
148
14 GPM
minimum
@
7.1 ft wc
70
120 130 151 165 175
90
147 157 178 192 202
110
174 184 205 219 229
130
201 211 232 246 256
150
202 222 259 273 283
170
202 222 278 300 310
190
202 222 278 327 337
210
202 222 278 343 363
250
202 222 278 343 417
300
202 222 278 343 442
350
202 222 278 343 442
400
202 222 278 343 442
450
202 222 278 343 442
500
202 222 278 343 442
50
DHW 50°F to 115°F
119
8 GPM
minimum
@
1.6 ft wc
129
8 GPM
minimum
@
1.6 ft wc
150
8 GPM
minimum
@
1.6 ft wc
164
14 GPM
minimum
@
5.4 ft wc
174
14 GPM
minimum
@
7.1 ft wc
70
157 166 188 201 211
90
194 203 225 239 249
110
231 241 262 276 286
130
268 278 299 313 323
150
306 315 337 351 360
170
311 335 374 388 398
190
311 335 411 425 435
210
311 335 411 462 472
250
311 335 411 511 547
300
311 335 411 511 640
350
311 335 411 511 662
400
311 335 411 511 662
450
311 335 411 511 662
500
311 335 411 511 662
Part number GL-E223-ADOC 0311
42