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AQUA PLUS indirect-fired water heaters — Product Manual
Ratings with 200°F boiler supply water
For water heater to achieve the rated performance below: Boiler water must be supplied to the water heater at 200°F,
and the boiler water flow rate must be no less than given in the tables below. (For Ultra Gas boiler, Ultra Oil boiler
or GV90+ boiler applications, with supply water at 190°F, see the ratings in the boiler manual.)
Boiler
Heating
Capacity
MBH
First Hour Rating Capacity (GPH) — Boiler Water Supply at 200°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
223 237 259 273 283
170
223 243 286 300 310
190
223 243 302 327 337
210
223 243 302 354 363
250
223 243 302 374 417
300
223 243 302 374 483
350
223 243 302 374 483
400
223 243 302 374 483
450
223 243 302 374 483
500
223 243 302 374 483
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
337 352 374 388 398
190
337 363 411 425 435
210
337 363 443 462 472
250
337 363 443 537 547
300
337 363 443 551 640
350
337 363 443 551 715
400
337 363 443 551 715
450
337 363 443 551 715
500
337 363 443 551 715
Part number GL-E223-ADOC 0311
41