Selection Guide

5
Column cover set Back panel (electro galvanized)
Damper (electro galvanized, not Tamper-proof lock*
available with aluminum grille)* Wall gasketing*
Damper, field installed
Hanging strip*
*See p.3 for details
End Cap Splice plate Filler sleeve Center valve cover † Inside corner, 90
o
Outside corner, 90
o
End valve cover, †
End Cap-slotted slotted, 10"
(not shown) End valve cover, 10"
(not shown)
RATINGS
ACCESSORIES
telescopic accessories
non-telescopic accessories
Fourteen accessories let you “fit”
Multi/Pak 90 in vir tually any
space configuration - f ast and
easily. External cover accessories
are all telescopic. They snap in
place without screws or other fas-
teners. All accessor ies, unless
noted, are finished in Nu-White
baked enamel. Custom color
available on special order.
Internal Splice Plate
for 90-14 and 90-21
Cover sections butt to each other with a
nearly
seamless fit using the inter nal
splice plate, optional for Multi/Pak 90 slope
top enclosures. Eliminates need for an
external splice plate.
† Access doors: 6” x 6”. Door location depends on model.
Cover
Type
Enclo-
sure
Height
Element
Type
Tube Size
and 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.)
With or without dampers
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 1380 276 359 455 552 621 731 842 952 1076 1187 1311 1449
S-540 1
1
⁄ 4 " steel 4
1
⁄ 4 " steel 40 1550 310 403 512 620 698 822 946 1070 1209 1333 1473 1628
90-14
14"
S-832 2" steel 4
1
⁄ 4 " steel 32 1400 280 364 462 560 630 742 854 966 1092 1204 1330 1470
C-340
3
⁄ 4 " copper 4
1
⁄ 4 " alum. 40 1839 368 478 607 736 828 975 1122 1269 1435 1582 1748 1932
C-440 1" copper 4
1
⁄ 4 " alum. 40 1950 390 507 644 780 878 1034 1190 1346 1521 1677 1853 2048
C-540 1
1
⁄ 4 " copper 4
1
⁄ 4 " alum. 40 1910 382 497 630 764 860 1012 1165 1318 1490 1643 1815 2006
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 1680 336 437 554 672 756 890 1025 1159 1310 1445 1596 1764
90-21
21"
S-832 2" steel 4
1
⁄ 4 " steel 32 1520 304 395 502 608 684 806 927 1049 1186 1307 1444 1596
One-tier
C-340
3
⁄ 4 " copper 4
1
⁄ 4 " alum. 40 2013 399 519 658 798 906 1067 1228 1389 1570 1731 1895 2114
element
C-440 1" copper 4
1
⁄ 4 " alum. 40 2130 426 554 703 852 959 1129 1299 1470 1661 1832 2024 2237
C-540 1
1
⁄ 4 " copper 4
1
⁄ 4 " alum. 40 2090 418 544 690 836 941 1108 1275 1442 1630 1797 1986 2195
S-532 1
1
⁄ 4 " steel 4
1
⁄ 4 " steel 32 2190 438 570 723 876 986 1161 1336 1511 1708 1883 2081 2300
90-21 S-540 1
1
⁄ 4 " steel 4
1
⁄ 4 " steel 40 2380 476 619 785 952 1071 1261 1452 1642 1856 2047 2261 2499
Two-tier
21"
S-832 2" steel 4
1
⁄ 4 " steel 32 2270 454 590 749 908 1022 1203 1385 1566 1771 1952 2157 2384
element
C-340
3
⁄ 4 " copper 4
1
⁄ 4 " alum. 40 2822 564 734 931 1129 1270 1496 1721 1947 2200 2427 2681 2963
C-440 1" copper 4
1
⁄ 4 " alum. 40 2990 598 778 987 1196 1346 1585 1824 2063 2332 2571 2841 3140
C-540 1
1
⁄ 4 " copper 4
1
⁄ 4 " alum. 40 2930 586 762 967 1172 1319 1553 1787 2022 2285 2520 2784 3077
* Based on 65˚F entering air temperature. Note: Ratings are based on active finned length (5-1/4" less than overall length).