2
ROUGH-IN-DIMENSIONS
FRONT VIEW
TOP VIEW
BACK VIEW
TANK
APPROX
U.S Gallons/Hr. and Litres/Hr at TEMPERATURE RISE INDICATED
CAPACITY
EFF.
F°
36F°
40F°
50F°
54F°
60F°
70F° 72F° 80F° 90F° 100F° 108F° 110F° 120F° 126F° 130F° 140F°
Model
Btuh
KW U.S.Gal. Litres
%
C°
20C° 22C°
28C° 30C° 33C° 39C° 40C° 44C° 50C° 56C° 60C° 61C° 67C° 70C° 72C°
78C°
BTN-120 120,000
71
80
GPH
320
288
239
213
192
164
160
144
128
115
107
105
96
91
89
82
35
269
LPH 1210
1089
871
807
726
622
605
545
484
436
403
396
363
346
335
311
BTN-154 154,000
81
80
GPH
410
369
295
274
246
211
205
185
184
148
137
134
123
117
114
106
45
307
LPH 1553
1398
1118
1036
932
79
777
699
621
559
518
508
466
444
430
399
BTN-180 180,000
100
80
GPH
480
432
345
320
288
247
240
218
192
173
160
157
144
137
133
123
53
307
LPH 1815
1634
1307
1210
1089
934
908
817
726
654
805
594
545
519
503
487
BTN-199 199,000
100
80
GPH
530
477
382
353
318
273
265
239
212
191
177
174
159
151
147
136
58
307
LPH 2007
1806
1445
1338
1204
1032 1004
903
803
723
669
657
602
573
556
516
BTN-200 199,000
100
80
GPH
530
477
382
353
318
273
265
239
212
191
177
174
159
151
147
136
58
379
LPH 2007
1806
1445
1338
1204
1032 1004
903
803
723
669
657
602
573
556
516
BTN-250 250,000
100
80
GPH
866
600
480
444
400
343
333
300
266
240
222
218
200
190
184
171
73
379
LPH 2522
2269
1815
1881
1513
1297 1261 1135 1009
908
841
825
756
720
698
648
BTN-275 275,000
100
80
GPH
733
659
528
488
440
377
366
330
293
264
244
240
220
209
203
188
81
379
LPH 2774
2496
1997
1849
1664
1426 1387 1248 1109
999
925
908
832
792
768
713
BTN-310 310,000
85
80
GPH
826
743
595
551
496
425
413
372
330
297
275
270
248
236
229
212
91
322
LPH 3127
2814
2251
2084
1876
1808 1563 1407 1251
1126 1042
1023
938
893
866
804
BTN-366 366,000
85
80
GPH
975
878
702
650
585
502
488
439
390
351
325
319
293
279
270
251
107
322
LPH 3692
3322
2658
2461
2215
1898 1846 1661 1477
1329 1231
1208
1107
1055
1022
949
BTN-400 390,000
85
80
GPH 1039
935
748
693
624
534
520
468
416
374
346
340
312
297
288
267
114
322
LPH 3934
3540
2832
2622
2360
2023 1967 1770 1573
1416 1311
1287
1180
1124
1089
1011
TABLE 2. RECOVERY CAPACITIES, based on 80% efficiency
Manifold Pressure
Model
Type of Gas
Inches vs. W.C.
kPa
Volts/Hz
Amperes
BTN 120-400
Natrual
3.5
0.87
120/60
< 5
F
TOP
OUTLET
1 1/2” NPT
TOP
INLET
1 1/2” NPT
TABLE 3. GAS AND ELECTRICAL CHARACTERISTICS
TABLE 1. ROUGH-IN-DIMENSIONS
Model
BTN-120
BTN-154
BTN-180
BTN-199
BTN-200
BTN-250
BTN-275
BTN-310
BTN-366
BTN-400
Dim.
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
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
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
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 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
F
19
483
21
533
21
533
21
533
21
533
21
533
21
533
21
533
21
533
21
533
G
1/2NPT 1/2NPT 1/2NPT 1/2NPT 1/2NPT
1/2NPT
1/2NPT
1/2NPT 1/2NPT 1/2NPT
(gas inlet)
H
51 7/8 1318 54 5/8 1387
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
(vent dia)
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
K 1 1/2NPT 1 1/2NPT 2NPT
2NPT
2NPT 2NPT 2NPT 1 1/2NPT 1 1/2NPT 1 1/2NPT
L 1 1/2NPT 1 1/2NPT 2NPT
2NPT
2NPT 2 NPT 2NPT 2 NPT 1 1/2NPT 1 1/2NPT
Appox.
Shipping
400
181
470
213
603
274
603
274
603
274
603
274
603
274
725
329
725
329
725
329
Weight
lbs.
K.g
lbs.
K.g
lbs.
K.g
lbs.
K.g
lbs.
K.g
lbs.
K.g
lbs.
K.g
lbs.
K.g
lbs.
K.g
lbs.
K.g
STD.
Approx.
Shipping
-
-
-
-
-
-
-
-
686
311
686
311
686
211
833
378
833
378
833
378
Weight
lbs.
Kg.
lbs.
Kg.
lbs.
Kg.
lbs.
Kg.
lbs.
Kg.
lbs.
Kg.
ASME