Installation considerations, Rough in dimensions, Table 1. rough-in-dimensions – American Water Heater BCG3 User Manual
Page 8: Table 3. gas and electrical characteristics, Figure 5, Front view top view back view
8
rough in dimensions
front View
top View
Back View
f
top
outlet
1 1/2” npt
top
inlet
1 1/2” npt
taBle 1. rough-in-dimensions
model
Dim.
BCG3 70T120 5NoX BCG3 80T150 6NoX BCG3 100T180 6NoX BCG3 95T199 6NoX BCG3 100T199 6NoX BCG3 100T200 6NoX BCG3 100T250 6NoX BCG3 100T275 6NoX BCG3 85T310 6NoX BCG3 85T366 6NoX BCG3 85T390 6NoX
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
a
63
1800
68
1727
72
1829
72
1829
72
1829
72
1829
72
1829
72
1829
73
1854
73
1854
73
1854
B
4 1/4
108
4 1/2
114
4 1/2
114
4 1/2
114
4 1/2
114
4 1/2
114
4 1/2
114
4 1/2
114
41/2
114
4 1/2
114
4 1/2
114
C
59 1/2
1511
62
1575
70
1778
70
1778
70
1778
70
1778
70
1778
70
1778
72
1829
72
1829
72
1829
D
50 7/8
1292
53 5/8
1362
61 5/8
1565
61 5/8
1565
61 5/8
1565
61 5/8
1565
61 5/8
1565
61 5/8
1565
62 1/2
1588
62 1/2
1588
62 1/2
1588
E
19 11/16
500
20 1/2
521
20 1/2
521
20 1/2
521
20 1/2
521
20 1/2
521
20 1/2
521
20 1/2
521
22 1/2
572
22 1/2
572
22 1/2
572
F
19
483
21
533
21
533
21
533
21
533
21
533
21
533
21
533
21
533
21
533
21
533
G
3/4 NPT
3/4 NPT
3/4 NPT
3/4 NPT
3/4 NPT
3/4 NPT
3/4 NPT
3/4 NPT
3/4 NPT
1 NPT
1 NPT
H
51 7/8
1318
54 5/8
1387
61
1549
61
1549
61
1549
61
1549
61
1549
61
1549
63
1600
63
1600
63
1600
I
5
127
6
152
6
152
6
152
6
152
6
152
6
152
6
152
6
152
6
152
6
152
J
27 3/4
705
27 3/4
705
27 3/4
705
27 3/4
705
27 3/4
705
27 3/4
705
27 3/4
705
27 3/4
705
27 3/4
705
27 3/4
705
27 3/4
705
K
1 1/2 NPT
1 1/2 NPT
1 1/2 NPT
1 1/2 NPT
1 1/2 NPT
2 NPT
2 NPT
2 NPT
1 1/2 NPT
1 1/2 NPT
1 1/2 NPT
l
1 1/2 NPT
1 1/2 NPT
1 1/2 NPT
1 1/2 NPT
1 1/2 NPT
2 NPT
2 NPT
2 NPT
1 1/2 NPT
1 1/2 NPT
1 1/2 NPT
Approx.
shipping
Weight
sTD
520 ibs.
236
Kg.
550
ibs.
249 Kg.
550
ibs.
249
Kg.
620
ibs.
281
Kg.
550
ibs.
249
Kg.
660
ibs.
299
Kg.
660
ibs.
299
Kg.
660
ibs.
299
Kg.
720
ibs.
327
Kg.
830
ibs.
376 Kg.
830
ibs.
376
Kg.
Approx.
shipping
Weight
asME
710
ibs.
322
Kg.
710
ibs.
322
Kg.
710
ibs.
322
Kg.
770
ibs.
349
Kg.
880
ibs.
399 Kg.
880
ibs.
399
Kg.
TABLE 2. RECOVERY CAPACITIES, based on 80% efficiency
Input
BTuH
Input
KW
u.S.
Gal. liters eff. %
u. S. Gallons/Hr. and Liters/Hr. at TemPeRATuRe RiSe iNDiCATeD
Deg. f
Deg. C
36
20
40
22
50
28
54
30
60
33
70
39
72
40
80
44
90
50
100
56
108
60
110
61
120
67
126
70
130
72
140
78
BCG3 70T120 5NoX
120000
71
80
GPH
321
289
231
214
192
165
160
144
128
115
107
105
96
92
89
82
35
269
lPH
1214
1093
874
810
729
625
607
546
486
437
405
397
364
347
336
312
BCG3 80T150 6NoX
154000
81
80
GPH
412
371
296
274
247
212
206
185
165
148
137
135
124
118
114
106
45
307
lPH
1559
1403
1122
1039
935
802
779
701
623
561
520
510
468
445
432
401
BCG3 100T180 6NoX
180000
100
80
GPH
481
433
346
321
289
247
241
217
192
173
160
157
144
137
133
124
53
379
lPH
1822
1639
1312
1214
1093
937
911
820
729
656
607
596
546
520
504
468
BCG3 95T199 6NoX
199000
93
80
GPH
532
479
383
355
319
274
266
239
213
192
177
174
160
152
147
137
58
352
lPH
2014
1813
1450
1343
1208
1036
1007
906
806
725
671
659
604
575
558
518
BCG3 100T199 6NoX
199000
100
80
GPH
532
479
383
355
319
274
266
239
213
192
177
174
160
152
147
137
58
379
lPH
2014
1813
1450
1343
1208
1036
1007
906
806
725
671
659
604
575
558
518
BCG3 100T200 6NoX
199000
100
80
GPH
532
479
383
355
319
274
266
239
213
192
177
174
160
152
147
137
58
379
lPH
2014
1813
1450
1343
1208
1036
1007
906
806
725
671
659
604
575
558
518
BCG3 100T250 6NoX
250000
100
80
GPH
668
602
481
446
401
344
334
301
267
241
223
219
201
191
185
172
73
379
lPH
2530
2277
1822
1687
1518
1301
1265
1139
1012
911
843
828
759
723
701
651
BCG3 100T275 6NoX
275000
100
80
GPH
735
662
529
490
441
378
368
331
294
265
245
241
221
210
204
189
81
379
lPH
2783
2505
2004
1855
1670
1431
1392
1252
1113
1002
928
911
835
795
771
716
BCG3 85T310 6NoX
310000
85
80
GPH
829
746
597
553
497
426
414
373
332
298
276
271
249
237
230
213
91
322
lPH
3137
2824
2259
2092
1882
1613
1569
1412
1255
1129
1046
1027
941
896
869
807
BCG3 85T366 6NoX
366000
85
80
GPH
978
881
705
652
587
503
489
440
391
352
326
320
294
280
271
252
107
322
lPH
3704
3334
2667
2469
2222
1905
1852
1667
1482
1333
1235
1212
1111
1058
1026
952
BCG3 85T390 6NoX
390000
85
80
GPH
1043
938
751
695
626
536
521
469
417
375
348
341
313
298
289
268
114
322
lPH
3947
3552
2842
2631
2368
2030
1973
1776
1579
1421
1316
1292
1184
1128
1093
1015
taBle 3. gas and electrical characteristics
model
Type of Gas
Gas supply Pressure
Gas manifold Pressure
Volts/Hz
amperes
Minimum
Maximum
All models
Natural
5.2" W.C. (1.3 kPa) 14" W.C. (3.48 kPa)
3.5" W.C. (0.87 kPa)
120/60
<5
installation considerations
figure 5.