Selection Guide
25
RATINGS
ACCESSORIES
TELESCOPIC ACCESSORIES
Model
Number
Enclosure
Height
Element
Type
Tube Size
and Material
Fins
Per
Foot
Fin Size
and Material
HOT WATER RATINGS*
BTU/HR./FT. (Flow Rate 3 Ft./Sec.)
110˚F 120˚F 130˚F 140˚F 150˚F 160˚F 170˚F 180˚F 190˚F 200˚F 210˚F 220˚F
S-532 1
1
⁄4" steel 4
1
⁄4" steel 32 1250 250 325 413 500 563 663 763 862 975 1075 1188 1313
S-540 1
1
⁄4" steel 4
1
⁄4" steel 40 1340 268 348 442 536 603 710 817 925 1045 1152 1273 1407
S-832 2" steel 4
1
⁄4" steel 32 1280 256 333 422 512 576 678 781 883 998 1101 1216 1344
F-5 4
3
⁄4" C-340
3
⁄4" copper 4
1
⁄4" alum. 40 1560 312 406 515 624 702 827 951 1077 1217 1341 1482 1638
C-440 1" copper 4
1
⁄4" alum. 40 1650 330 429 545 660 743 875 1007 1139 1287 1419 1568 1733
C-540 1
1
⁄4" copper 4
1
⁄4" alum. 40 1620 324 421 535 648 729 859 988 1118 1264 1393 1539 1701
S-532 1
1
⁄4" steel 4
1
⁄4" steel 32 2070 414 538 683 828 932 1097 1263 1428 1615 1780 1967 2174
S-540 1
1
⁄4" steel 4
1
⁄4" steel 40 2160 432 562 713 864 972 1145 1318 1490 1685 1858 2052 2268
F-12 S-832 2" steel 4
1
⁄4" steel 32 2090 418 544 690 836 941 1108 1275 1442 1630 1797 1986 2195
Two-tier 11
3
⁄4" C-340
3
⁄4" copper 4
1
⁄4" alum. 40 2600 520 676 858 1040 1170 1378 1586 1794 2028 2236 2470 2730
element C-440 1" copper 4
1
⁄4" alum. 40 2750 550 715 908 1100 1238 1458 1678 1897 2145 2365 2613 2888
C-540 1
1
⁄4" copper 4
1
⁄4" alum. 40 2700 540 702 891 1080 1215 1431 1647 1863 2106 2322 2565 2835
S-532 1
1
⁄4" steel 4
1
⁄4" steel 32 2580 516 671 851 1032 1161 1367 1574 1780 2012 2219 2451 2709
S-540 1
1
⁄4" steel 4
1
⁄4" steel 40 2690 538 700 888 1076 1211 1426 1641 1856 2098 2313 2556 2825
F-19 S-832 2" steel 4
1
⁄4" steel 32 2610 522 679 861 1044 1175 1383 1592 1801 2036 2245 2480 2741
Three-tier 18
3
⁄4" C-340
3
⁄4" copper 4
1
⁄4" alum. 40 3139 628 816 1036 1256 1413 1664 1915 2166 2449 2700 2982 3296
element C-440 1" copper 4
1
⁄4" alum. 40 3330 666 866 1099 1332 1499 1765 2031 2298 2597 2864 3164 3497
C-540 1
1
⁄4" copper 4
1
⁄4" alum. 40 3260 652 848 1076 1304 1467 1728 1989 2249 2543 2804 3097 3423
S-532 1
1
⁄4" steel 4
1
⁄4" steel 32 1290 258 336 426 516 581 684 787 890 1006 1109 1226 1355
S-540 1
1
⁄4" steel 4
1
⁄4" steel 40 1370 274 356 452 548 617 726 836 945 1069 1178 1302 1439
S-832 2" steel 4
1
⁄4" steel 32 1310 262 341 432 524 590 694 799 904 1022 1127 1245 1376
EM-5 4
3
⁄4" C-340
3
⁄4" copper 4
1
⁄4" alum. 40 1656 331 431 547 663 745 878 1010 1143 1292 1424 1574 1739
C-440 1" copper 4
1
⁄4" alum. 40 1750 350 455 578 700 788 928 1068 1208 1365 1505 1663 1838
C-540 1
1
⁄4" copper 4
1
⁄4" alum. 40 1720 344 447 568 688 774 912 1049 1187 1342 1479 1634 1806
S-532 1
1
⁄4" steel 4
1
⁄4" steel 32 2270 454 590 749 908 1022 1203 1385 1566 1771 1952 2157 2384
S-540 1
1
⁄4" steel 4
1
⁄4" steel 40 2390 478 622 789 956 1076 1267 1458 1649 1864 2055 2271 2510
S-832 2" steel 4
1
⁄4" steel 32 2290 458 596 756 916 1031 1214 1397 1580 1786 1969 2176 2405
EM-12 11
3
⁄4" C-340
3
⁄4" copper 4
1
⁄4" alum. 40 2918 584 759 963 1167 1314 1547 1780 2014 2276 2510 2772 3064
Two-tier C-440 1" copper 4
1
⁄4" alum. 40 3090 618 804 1020 1236 1391 1638 1885 2132 2410 2657 2936 3245
element C-540 1
1
⁄4" copper 4
1
⁄4" alum. 40 3030 606 788 1000 1212 1364 1606 1848 2091 2363 2606 2879 3182
S-532 1
1
⁄4" steel 4
1
⁄4" steel 32 3060 612 796 1010 1224 1377 1622 1867 2111 2387 2632 2907 3213
S-540 1
1
⁄4" steel 4
1
⁄4" steel 40 3140 628 816 1036 1256 1413 1664 1915 2167 2449 2700 2983 3297
S-832 2" steel 4
1
⁄4" steel 32 3080 616 801 1016 1232 1386 1632 1879 2125 2402 2649 2926 3234
EM-19 18
3
⁄4" C-340
3
⁄4" copper 4
1
⁄4" alum. 40 3736 747 972 1233 1495 1681 1980 2279 2578 2914 3214 3550 3923
Three-tier C-440 1" copper 4
1
⁄4" alum. 40 3960 792 1030 1307 1584 1782 2099 2416 2732 3089 3406 3762 4158
element C-540 1
1
⁄4" copper 4
1
⁄4" alum. 40 3880 776 1009 1280 1552 1746 2056 2367 2677 3026 3337 3686 4074
Steam
1 PSI*
Btu/Hr.
Per Foot
* Based on 65˚F entering air temperature. Note: Ratings are based on active finned length (5-1/4" less than overall length).