Document reN2QM1mM8KDqg2j6ZO5yKwzG

Heating Systems Boilers, cast iron uiumu/ruuna General Office, Detroit 31, Mich. Branches and Sales Offices in Principal Cities The United States Radiator Corporation carries a complete line of hand, stoker, gas and oil-fired boilers for steam or hot water heating, warm air furnaces, gas burners and oil burners, radiators, baseboard convectors, controls and heating ac cessories for residential, commercial and industrial heating. U.S. Radiant Baseboard Designed to operate with forced circu lating hot water systems, U.S. Radiant Baseboard replaces ordinary baseboard. It is light in weight, of all-steel construc tion and is roughed-in and installed exactly as standard radiator practice. Radiant surfaces, waterways and finned surfaces of U. S. Radiant Baseboard are copper brazed into a single, pressuretight unit. Exterior surfaces are speci ally treated, then protected with grey zinc chromate primer. Packed in individual cartons, distinctly marked, U.S. Radiant Baseboard is shipped in unit lengths of 2- to 12-ft in clusive in increments of 1 ft. Write for catalog AR-29G. U.S. Vertical or Horizontal Unit Heaters are available with' either 60-cycle AC or 25-cycle AC or DC motors in a wide range of sizes and capacities. Optional control equipment for special applica tions may be obtained at extra cost. Write for catalog. U.S. Solar Flame Gas Conversion Burners are A.G.A. rated and are available for steam, hot water and warm air systems. 2 models. Capacities from 75,000 to 300,000 Btu/hr. U.S. Solar Flame Oil Burners are avail able for steam and hot water boilers and warm air furnaces. 3 models. Capacities from 0.6 to 15 gal/hr. U.S. Gas Boilers include a complete range of sizes and capacities from 480 to 12,480 sq ft for steam heating, and from 240 to 20,000 sq ft for hot water heating. U.S. Gas Boilers are furnished with necessary control equipment and are completely automatic in every opera tion. All units are A.G.A. approved. U.S. Fin-Ray Baseboard Radiation Gas Burners U.S. Fin-Ray Baseboard Radiation for homes and offices is furnished in 1 in. and 1-1/4 in. pipe sizes. For commercial applications, U.S. FinRay Commercial Radiation is furnished in 1-1/4 in. and 2 in. pipe sizes. Write for catalogs AR 319B (Baseboard) and AR 318 (Commercial) for data and specifications. THINTUBE RADIATORS 3-Tnbe Heights In. Per Section Heating Surface 25 1.6 Sq Ft 4-Tube 22 1.8 Sq Ft 25 2.0 Sq Ft 5-Tnbe 22 2.1 Sq F 25 2.4 Sq Ft__ 6-Tube __ 19 2.3 Sq 25 S.O Sq Ft 32 3.7 Sq Ft . 1% in. Centers 1402 Heating Systems Boilers, cast non General Office, Detroit 31, Mich. Branches and Sales Offices in Principal Cities Member Reg. U. S. P*t. Off. Boiler No. I=B=R Net Ratings I=B=R Gross D.C.I.R. Sq Ft 1000 Btu/hr Output 1000 Steam | Water Steam J Water Btu/hr Boiler No. Net Ratings D.C.I.R. Sq Ft 1000 Btu/hr A.G.A. Output dI/L Steam J Water Steam- Water U.S.--12 All-Fuels Boiler 12-30 12-40 12-50 12-60 | 230 430 310 570 390 . 715 470 | 855 | 55 65 74 . 86 94 107 113 | 128 80 114 143 171 U.S.--21 All-Fuels Boiler 21-30 21-35 21-40 21-45 21-50 21-5S 400 730 500 910 600 1080 700 1255 800 1425 900 1590 96 120 144 168 192 216 110 137 162 188 214 239 146 182 216 251 285 318 U.S.--11 Gas-Fired Boiler. 3-11 180 4-11 270 5-11 . 360 6-11 450 540 630 9-11 720 27 36 41 54 54 68 90 81 108 95 126 108 144 U.S.--28 All-Fuels Boiler 28-30 850 1510 28-35 1055 1850 28-40 1260 2185 204 253 302 227 278 328 302 370 437 28-45 1470 2530 28-50 1690 2880 26-55 1900 3210 28-60 2120 3560 28-65 2340 3900 353 406 456 509 562 380 432 482 534 585 506 576 642 ' 712 780 28-70 2570 28-75 * 2800 4255 4600 617 672 638 690 851 920 U.S.--2 Oil-Fired Boiler 2-03 350 645 84 2-04 500 910 120 2-05 650 1170s 156 2-06 '800 1425 192 97 137 176 214 129 182 234 285 U.S--25 Oil-Fired Boiler U.S.--16 Gas-Fired Boiler 295 445 545 810 71 107 82 122 108 162 5-16 7-16 8-16 9-16 10-16 11-16 12 16 13 16 14-16 600 755 915 1080 1240 1410 1580 1745 1920 2090 1080 1350 1620 1890 2160 2430 2700 2950 3245 3510 144 181 220 259 298 338 379. 419 461 502 162 203 243 284 324 365 405 445 487 527 216 270 324 378 432 486 540 594 648 702 U.S.--32 Gas-Fired Boiler 25-3 545 985 131 148 25-4 905 1600 217 240 25-5 1265 2195 304 329 25-6 1625 2775 390 416 25-7 1985 3345 476 502 U.S.--46 Oil-Fired Boiler 46-3 46-4 46-5 46-6 310 570 74 86 400 730 96 no 550 995 132 149 700 1255 168 188 197 9-32 2150 3600 320 11-32 2730 4495 439 13-32 3330 5395 555 15-32 3940 6305 669 17-32 . 4560 7295 19-32 5180 8290 21-32 5800 9280 23-32 6400 10240 25-32 6980 11170 27-32 7580 12130 29-32 ' 8160 13060 114 146 199 251 31-32 33-32 35-32 37-32 8740 9320 9900 10500 13980 14910 15840 16800 1403 516 655 799 946 1094 1243 1392 1536 1675 1819 1958 2098 2237 2376 2520 540 674 809 946 1094 1243 1392 1536 1675 1819 1958 2098 2237 2376 2520 720 900 1080 1260 1440 1620 1800 1980 2160 2340 2520 2700 2880 3060 3240