Selection Guide
21
RATINGS
ACCESSORIES
TELESCOPIC ACCESSORIES
*Based on 65
0
F entering air temperature.
Note: Ratings are based on active finned length (5-1/4" less than overall length.)
† Access doors: 6” x 6”. Door location depends on model.
Cover
Type
Enclosure
Height
Element
Type
Tube Size
& Material
Fins
Per
Foot
Steam
1 PSI*
Btu/Hr.
Per
Foot
Fin Size
& 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 1344 269 349 444 538 605 712 820 927 1048 1156 1277 1411
S-832 2" steel 4
1
⁄4" steel 32 1201 240 312 396 480 540 637 733 829 937 1033 1141 1261
TBG-17 17” C-340
3
⁄4" copper 4
1
⁄4" alum. 40 1595 319 415 526 638 717 846 973 1101 1244 1371 1515 1675
C-440 1" copper 4
1
⁄4" alum. 40 1690 338 440 558 676 761 896 1031 1166 1318 1453 1606 1775
C-540 1
1
⁄4" copper 4
1
⁄4" alum. 40 1656 331 431 546 662 745 878 1010 1143 1292 1424 1573 1739
S-532 1
1
⁄4" steel 4
1
⁄4" steel 32 1460 292 380 482 584 657 774 891 1007 1139 1256 1387 1533
S-540 1
1
⁄4" steel 4
1
⁄4" steel 40 1505 301 391 497 602 677 798 918 1038 1174 1294 1430 1580
S-832 2" steel 4
1
⁄4" steel 32 1345 269 350 444 538 605 713 820 928 1049 1157 1278 1412
TBG-24
24” C-340
3
⁄4" copper 4
1
⁄4" alum. 40 1798 360 468 594 720 810 953 1097 1241 1403 1547 1709 1888
One-tier
C-440 1" copper 4
1
⁄4" alum. 40 1910 382 497 630 764 860 1012 1165 1318 1490 1643 1815 2006
element
C-540 1
1
⁄4" copper 4
1
⁄4" alum. 40 1868 374 486 617 747 841 990 1139 1289 1457 1606 1775 1961
S-532 1
1
⁄4" steel 4
1
⁄4" steel 32 1980 396 515 653 792 891 1049 1208 1366 1544 1703 1881 2079
S-540 1
1
⁄4" steel 4
1
⁄4" steel 40 2102 420 547 694 841 946 1114 1282 1450 1640 1808 1997 2207
TBG-24 S-832 2" steel 4
1
⁄4" steel 32 1890 378 492 624 756 851 1002 1153 1304 1474 1625 1796 1985
Two-tier 24” C-340
3
⁄4" copper 4
1
⁄4" alum. 40 2337 468 608 772 935 1052 1238 1425 1613 1823 2010 2221 2454
element C-440 1" copper 4
1
⁄4" alum. 40 2480 496 645 818 992 1116 1314 1513 1711 1934 2133 2356 2604
C-540 1
1
⁄4" copper 4
1
⁄4" alum. 40 2427 485 631 801 971 1092 1286 1480 1675 1893 2087 2306 2548