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� • Commercial Gas <br /> Smith® <br /> Water Heaters <br /> RECOVERY CAPACITY <br /> Model Number Type of Gas BTU/HR In ut kW Thermal Efficiency <br /> BTH-120(A) Natural/Propane 120,000 35 95% <br /> BTH-150(A) Natural/Propane 150,000 44 98% <br /> BTH-199(A) Natural/Propane 199,900 58 97% <br /> BTH-250(A) Natural/Propane 250,000 73 96% <br /> BTH-300(A) Natural/Propane 300,000 88 96% <br /> BTH-400(A) Natural/Propane 399,900 117 95% <br /> BTH-500(A) Natural/Propane 499,900 146 95% <br /> U.S.GALLONS/HR AND LITRESIHR AT TEMPERATURE RISE INDICTATED <br /> Model -F 30'F 40'F 50°F 60'F 70-F 80'F 90-F 100-F 110'F 120-F 130-F 140-F <br /> Number Approx. <br /> Capacity =C 17'C 22'C 28'C 33'C 39°C 44'C 50'C 56°C 61'C 67'C 72-C 78-C <br /> 60 U.S.Gals. GPI 461 345 276 230 197 173 154 138 126 115 106 99 <br /> BTH-120(A) <br /> 227 Litres LPH 1743 1308 1046 872 747 654 581 523 475 436 402 374 <br /> 100 U.S.Gals. GPH 594 445 356 297 255 223 198 178 162 148 137 127 <br /> BTH-150(A) <br /> 379 Litres LPN 2248 1686 1349 1124 963 843 749 674 613 562 519 482 <br /> 6TH-199(A) 100 U.S.Gals. GPH 783 588 470 1 392 336 294 261 235 214 196 181 168 <br /> 379 Litres LPH 2965 2224 1779 1483 1271 1112 988 890 809 741 684 635 <br /> BTH-250(A) 100 U.S.Gals. GPH 970 727 582 485 416 364 323 291 264 242 224 208 <br /> 379 litres LPH 3670 2753 2202 1835 1573 1376 1223 1101 1001 918 847 786 <br /> 119 U.S.Gals. GPH 1164 873 698 582 499 436 388 349 317 291 269 249 <br /> BTH-300(A) <br /> 450.96 Litres LPH 4405 3304 2643 2202 1888 7652 1468 1321 1201 1101 1017 944 <br /> 119 U.S.Gals. GPH 1535 1151 921 767 658 576 512 460 419 384 354 329 <br /> BTH-400(A) <br /> 450.96 Litres LPH 5810 4358 3486 2905 2490 2179 1937 1743 1585 1453 1341 1245 <br /> BTH-500(A) 119 U.S.Gals. GPH 1919 1439 1151 959 822 720 640 576 523 480 443 411 <br /> 450.96 Litres LPH 7263 1 5448 1 4358 3632 3113 2724 2421 2179 1981 1816 1676 1556 <br /> Recovery capacities are based on AHRI rated thermal effidendes. <br /> For ASME Construction add an"A'to the end of the model number er:BTH-120A. <br /> STORAGE CAPACITY GAS LINE CONNECTION SIZE <br /> Model Number U.S.Gallons Liters Model Series Natural Gas Propane Gas <br /> BTH 120 60 227 BTH 120 300/301 3/4"NPT 3/4"NPT <br /> BTH 150 100 379 BTH 150 300/301 3/4"NPT 3/4"NPT <br /> BTH 199 100 379 BTH 199 300/301 3/4"NPT 3/4"NPT <br /> BTH 250 100 379 BTH 250 300/301 3/4"NPT 3/4"NPT <br /> BTH 300 119 450.96 BTH 300 300/301 1-1/2"NPT 1-1/2"NPT <br /> BTH 400 119 450.96 BTH 400 300/301 1-1/2"NPT 1-i12"NPT <br /> BTH 500 119 450,96 BTH 500 300/301 1-1/2"NPT 1-1/2"NPT <br /> Page 5 of 6 <br /> AOSCGIO210 <br />