Spec Sheet

Commander Series
®
Atmospheric Vent Commercial Gas Water Heater
Model
Optional Air Intake Ducting Maximum Lengths
2"
PVC, ABS,
or CPVC
20 ft.
20 ft.
20 ft.
20 ft.
20 ft.
N/A
N/A
3"
PVC, ABS,
or CPVC
50 ft.
50 ft.
50 ft.
50 ft.
50 ft.
25 ft.
25 ft.
4"
PVC, ABS,
or CPVC
75 ft.
75 ft.
75 ft.
75 ft.
75 ft.
50 ft.
50 ft.
UCG-80H-125-3(N,X)(A)
UCG-80H-199-3(N,X)(A)
UCG-100H-199-3(N,X)(A)
UCG-80H-270-3(N,X)(A)
UCG-100H-270-3(N,X)(A)
UCG-80H-399-3(N,X)(A)
UCG-100H-399-3N(A)
Optional Power Vent Kits – for side wall termination only.
Model Numbers Kit Number
UCG-80H-125/199/270,
UCG-100H-199/270: 239-81764-00
UCG-80H-399,
UCG-100H-399: 239-81766-00
TYPICAL APPLICATIONS
Vent Kit
WALL SECTION
FLOOR JOIST
SWG
SERIES
POWER
VENTER
CK SERIES
CONTROL KIT
Model
Number
140°F100°F40°F
GPH Recovery at Degree Rise*
Recovery Data
LPH Recovery at Degree Rise*
UCG-80H-125-3N(A)
UCG-80H-199-3N(A)
UCG-80H-270-3N(A)
UCG-80H-399-3N(A)
UCG-100H-199-3N(A)
UCG-100H-270-3N(A)
UCG-100H-399-3N(A)
311
497
671
970
497
671
994
30°F
414
663
895
1293
663
895
1325
50°F
248
398
537
776
398
537
795
60°F
207
331
447
646
331
447
663
70°F
177
284
383
554
284
383
568
80°F
155
248
335
485
248
335
497
90°F
138
221
298
431
221
298
442
110°F
113
181
244
353
181
244
361
120°F
104
166
224
323
166
224
331
130°F
96
153
206
298
153
206
306
124
199
268
388
199
268
398
89
142
192
277
142
192
284
78°C56°C22°C
1177
1881
2540
3672
1881
2540
3763
17°C
1567
2510
3388
4895
2510
3388
5016
28°C
939
1507
2033
2937
1507
2033
3009
33°C
784
1253
1692
2445
1253
1692
2510
39°C
670
1075
1450
2097
1075
1450
2150
44°C
587
939
1268
1836
939
1268
1881
50°C
522
837
1128
1632
837
1128
1673
61°C
428
685
924
1336
685
924
1367
67°C
394
628
848
1223
628
848
1253
72°C
363
579
780
1128
579
780
1158
469
753
1014
1469
753
1014
1507
337
538
727
1049
538
727
1075
* Based on manufacturer’s rated recovery efficiency.