Advertisement
RECOVERY CAPACITIES
MODEL NUMBER
wo/Pump
w/Pump
Indoor
GBB136
GBBP136
*
GBC186
GBCP186
*
GBC264
GBCP264
*
GBC331
GBCP331
*
GBC399
GBCP399
*
GBC512
GBCP512
*
GBC627
GBCP627
*
GBC726
GBCP726
*
GBC825
GBCP825
*
GBC926
GBCP926
GBC962
GBCP962
*
GBC1083
GBCP1083
GBC1125
GBCP1125
*
GBC1178
GBCP1178
GBC1223
GBCP1223
*
GBC1287
GBCP1287
GBC1337
GBCP1337
*
GBC1413
GBCP1413
GBC1467
GBCP1467
*
GBC1570
GBCP1570
GBC1630
GBCP1630
*
GBC1758
GBCP1758
GBC1826
GBCP1826
*
GENERAL FLOW AND PIPING SPECIFICATIONS
MODELS
Indoor
Outdoor
136
136
22
186
186
15
264
264
21
331
331
27
399
399
30
512
512
20
627
627
25
726
726
29
825
825
30
962
926
30
1125
1083
30
1223
1178
30
1337
1287
30
1467
1413
30
1630
1570
30
1826
1758
32
NOTE: Additional pipe fittings will increase the system head loss. Select a pump based on the water hardness, flow and system head loss. If water heater is
more than two stories above the tank, consult the pump manufacturer.
T
– Temperature Rise, Degree F @ GPM Flow
GPM – Gallons per Minute Flow
P
– Pressure Drop, Ft. thru Heat Exchanger
MPS – Minimum Pipe Size, NPT
SHL
– System Head Loss
STYLE
INPUT BTU/Hr.
NATURAL
Outdoor
*
136,000
*
181,000
*
264,000
*
334,000
*
399,000
*
511,500
*
627,000
*
726,000
*
825,000
*
926,000
961,700
*
1,083,000
1,124,700
*
1,178,000
1,222,500
*
1,287,000
1,336,600
*
1,413,000
1,467,000
*
1,570,000
1,630,000
*
1,758,000
1,825,600
SOFT
0-4 Grains Per Gallon
T
GPM
P
MPS
SHL
10
3.4
1-1/4
5.09
20
1.82
1-1/2
4.48
20
1.85
1-1/2
4.51
20
1.9
1-1/2
4.56
22
2.1
1-1/2
5.08
42
1.8
2
4.4
41
1.9
2
4.5
41
2
2
4.6
45
2.5
2
5.7
53
3.5
2-1/2
4.9
61
5.5
2-1/2
7.5
67
6.5
2-1/2
8.8
73
8.4
2-1/2
11
80
10.8
2-1/2
14.1
89
13.7
2-1/2
17.6
90
15.5
2-1/2
19.7
TEMPERATURE RISE – DEGREES F – GALLONS PER HOUR
40°
50°
60°
70°
80°
330
264
220
188
165
440
352
293
251
220
640
512
427
366
320
811
649
541
463
406
967
774
645
553
484
1240 992
827
709
620
1520 1216 1013 869
760
1760 1408 1173 1006
880
2000 1600 1333 1143 1000
2245 1796 1497 1283 1122
2331 1865 1554 1332 1166 1036 933
2625 2100 1750 1500 1313 1167 1050
2727 2181 1818 1558 1363 1212 1091
2856 2285 1904 1632 1428 1269 1142 1038
2964 2371 1976 1694 1482 1317 1185 1078
3120 2496 2080 1783 1560 1387 1248 1135 1040
3240 2592 2160 1852 1620 1440 1296 1178 1080
3425 2740 2284 1957 1713 1522 1370 1246 1142 1054
3556 2845 2371 2032 1778 1581 1423 1293 1185 1094 1016
3806 3045 2537 2175 1903 1692 1522 1384 1269 1171 1087
3952 3161 2634 2258 1976 1756 1581 1437 1317 1216 1129
4262 3409 2841 2435 2131 1894 1705 1550 1421 1311 1218
4426 3541 2950 2529 2213 1967 1770 1609 1475 1362 1264
Water Hardness
MEDIUM
5-15 Grains Per Gallon
T
GPM
P
MPS
17
13
5.5
1-1/4
11
26
3
1-1/2
16
26
3.1
1-1/2
20
26
3.2
1-1/2
25
26
3.3
1-1/2
16
52
2.9
2
19
54
3.1
2
20
60
4
2
20
68
5.2
2
20
79
7.5
2-1/2
20
90
11.8
2-1/2
22
90
12
2-1/2
24
90
13.3
2-1/2
26
90
13.8
2-1/2
29
90
14.8
2-1/2
32
90
15.5
2-1/2
Sizing based on water heater and tank being placed 5 feet apart. The
equivalent length of pipe valves and fittings in the system is as follows.
1-1/4" NPT = 65 Ft (136)
1-1/2" NPT = 70 Ft (186-399)
2"
NPT = 75 Ft (512-825)
2-1/2" NPT = 80 Ft (926-1826)
90° 100° 110° 120°
147
132
120
110
195
176
160
147
284
256
233
213
360
324
295
270
430
387
352
322
551
496
451
413
676
608
553
507
782
704
640
587
889
800
727
667
998
898
816
748
848
777
955
875
991
909
952
988
HARD
16 & Over Grains Per Gallon
SHL
T
GPM
P
MPS
8.2
10
22
14.7
1-1/4
7.5
7
40
6.8
1-1/2
7.6
10
42
8.3
1-1/2
7.7
13
42
8.5
1-1/2
7.8
15
43
9
1-1/2
7
10
84
6.8
7.2
11
90
8.5
9.3
13
90
9
11.7
15
90
9.3
10.5
17
90
10.1
2-1/2
16
20
90
11.8
2-1/2
16.2
22
90
12
2-1/2
17.5
24
90
13.3
2-1/2
18
26
90
13.8
2-1/2
19
29
90
14.8
2-1/2
19.7
32
90
15.5
2-1/2
130° 140°
101
94
135
126
197
183
250
232
298
276
382
354
468
434
542
503
615
571
691
641
717
665
808
750
839
779
879
816
912
847
960
891
997
926
979
SHL
22
17
18.8
19
19.5
2
16.6
2
20.4
2
20.8
2
21.1
14.3
16
16.2
17.5
18
19
19.7
Advertisement
