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ROUGH-IN-DIMENSIONS
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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