Hyprotherm Top Loading;
Chest Type Furnaces
A Brief overview

Top loader names explained

HyProTherm TL = Original TL furnace, has water in the lid.
HyProTherm TL – WT = Version II of the TL furnace line, has no water in the lid.
HyProTherm TL – WT, 12/12 = 12” of water on the ends, 12” on the sides, see (A)
HyProTherm TL – WT, 12/6 = 12” of water on the ends 6” on the sides, see (B)
HyProTherm TL – WT, 6/6 = 6” of water on the ends 6” on the sides, see (C)
HyProTherm TL – WTC = same design as TL-WT, but with water in the lid. This is not the same design as the original TL series.

tl-12x12
tl-12x6

RED = Original Water in lid top loader
BLUE = 6” of water
PINK = 10” of water
GREEN = 12” of water
ORANGE = 14” of water
BLACK = custom not on product list

Top Loader Dimension Diagrams Below

4′ Fireboxes

Size/Model Firebox Dimensions Firebox Capacity f³​ Water Capacity Retail Price BTU Heats ft²
TL-433-WT12/12 (4L’x3W’x3H’) 36 CF 348 Gallon $19,797 389,934 9,453
TL-433-WTC12/12 80 gallon in the lid 428 Gallon $21,167 479,574 11,626
TL-446-WT6/6 (4L’x4W’x6H’) 96 CF 357 Gallon $27,447 400,019 9,697
TL-446-WTC6/6 80 gallon in the lid 437 Gallon $28,997 489,469 11,866
TL-446-WT10/10 (4L’x4W’x6H’) 96 CF 665 Gallon $28,297 745,133 18,064
TL-446-WTC10/10 80 gallon in the lid 745 Gallon $29,847 834,773 20,236
TL-454-WT6/6 (4L’x5W’x4H’) 80 CF 244 Gallon $24,395 250,992 6,085
TL-454-WTC6/6 100 gallon in the lid 344 Gallon $26,187 385,452 9,344
TL-454-WT12/12 (4L’x5W’x4H’) 80 CF 580 Gallon $25,279 649,890 15,755
TL-454-WTC12/12 100 gallon in the lid 680 Gallon $26,997 761,940 18,471

5′ Fireboxes

Size/Model Firebox Dimensions Firebox Capacity f³​ Water Capacity Retail Price BTU Heats ft²
TL-534-WT6/6 (5L’x3W’x4H’) 60 CF 224 Gallon $24,297 250,992 6,085
TL-534-WTC6/6 75 gallon in the lid 299 Gallon $25,945 350,030 8,486
TL-534-WT12/12 (5L’x3W’x4H’) 60 CF 533 Gallon $24,997 597,227 14,478
TL-534-WTC12/12 75 gallon in the lid 608 Gallon $26,547 681,264 16,515
TL-544-WT6/6 80 CF 247 Gallon $26,297 276,764 6,919
TL-544-WTC6/6 100 gallon in the lid 347 Gallon $27,997 388,814 9,720
TL-544-WT12/12 80 CF 576 Gallon $27,287 645,408 16,135
TL-544-WTC12/12 100 gallon in the lid 676 Gallon $29,125 757,458 18,936
TL-553-WT6/6 (5L’x5W’x3H’) 75 CF 303 Gallon $26,497 339,512 8,231
TL-553-WTC6/6 125 gallon in the lid 428 Gallon $28,569 479574 11,626
TL-553-WT 12/12 (5L’x5W’x3H’) 75 CF 447 Gallon $27,467 500,864 12,142
TL-553-WTC12/12 125 gallon in the lid 572 Gallon $29,497 640,926 15,538
TL-555-WT6/6 (5L’x5W’x5H’) 125 CF 344 Gallon $32,647 385,452 9,344
TL-555-WTC6/6 125 gallon in the lid 469 Gallon $34,657 525,515 12,740
TL-555-WT12/12 (5L’x5W’x5H’) 125 CF 806 Gallon $33,697 903,123 21,894
TL-555-WTC12/12 125 gallon in the lid 931 Gallon $35,697 1,043,186 25,289
TL-556-WT6/6 (5L’x5W’x6H’) 150 CF 426 Gallon $35,897 477,333 11,572
TL-556-WTC6/6 125 gallon in the lid 551 Gallon $37,737 617,396 14,697
TL-556-WT12/12 (5L’x5W’x6H’) 150 CF 985 Gallon $37,297 1,103,693 26,756
TL-556-WTC12/12 125 gallon in the lid 1,110 Gallon $39,147 1,243,755 26,756

6′ Fireboxes

Size/Model Firebox Dimensions Firebox Capacity f³​ Water Capacity Retail Price BTU Heats ft²
TL-633-WT6/6 (6L’x3W’x3H’) 54 CF 173 Gallon $22,575 193,847 4,699
TL-633-WTC6/6 90 gallon in the lid 263 Gallon $24,267 564,732 13,690
TL-633-WT12/12 (6L’x3W’x3H’) 54 CF 419 Gallon $23,350 469,490 11,382
TL-633-WTC12/12 90 gallon in the lid 504 Gallon $25,027 564,732 13,690
TL-634-WT6/6 (6L’x3W’x4H’) 72 CF 224 Gallon $25,797 250,992 6,085
TL-634-WTC6/6 90 gallon in the lid 314 Gallon $27,550 351,837 8,529
TL-634-WT12/12 (6L’x3W’x4H’) 72 CF 583 Gallon $26,945 653,252 15,836
TL-634-WTC12/12 90 gallon in the lid 673 Gallon $28,275 754,097 18,281
TL-644-WT6/6 (6L’x4W’x4H’) 96 CF 404 Gallon $28,997 452,682 10,974
TL-644-WTC6/6 120 gallon in the lid 524 Gallon $30,625 587,142 14,234
TL-644-WT12/12 (6L’x4W’x4H’) 96 CF 628 Gallon $29,997 703,674 17,059
TL-644-WTC12/12 120 gallon in the lid 748 Gallon $31,350 703,674 17,059
TL-1350-WT6/6 (6L’x6W’x6H’) 216 CF 491 Gallon $41,567 550,166 13,337
TL-1350-WTC6/6 180 gallon in the lid 671 Gallon $44,197 751,865 18,227
TL-1350-WT12/6 (6L’x6W’x6H’) 216 CF 897 Gallon $42,997 1,005,089 24,366
TL-1350-WTC12/6 180 gallon in the lid 1,077 Gallon $45,275 838,134 20,318

7′ Fireboxes

Size/Model Firebox Dimensions Firebox Capacity f³​ Water Capacity Retail Price BTU Heats ft²
TL-734-WT6/6 (7L’x3W’x4H’) 84 CF 269 Gallon $29,325 301,415 7,535
TL-744-WT6/6 (7L’x4W’x4H’) 112 CF 284 Gallon $31,195 318,222 7,956
TL-744-WTC12/12 142 gallon in the lid 823 Gallon $35,120 922,172 22,356
TL-745-WTC12/12 142 gallon lid 140 CF 1,017 Gallon $38,265 1,139,549 27,043

8′ Fireboxes

Size/Model Firebox Dimensions Firebox Capacity f³​ Water Capacity Retail Price BTU Heats ft²
TL-844-WT 6/6 (8L’x4W’x4H’) 128 CF 264 Gallon $34,195 295,812 7,171
TL-844-WTC 6/6 160 gallon in the lid 424 Gallon $37,225 475,092 11,517
TL-844-WT12/12 (8L’x4W’x4H’) 128 CF 726 Gallon $35,397 813,483 19,720
TL-844-WTC12/12 160 gallon in the lid 886 Gallon $38,350 992,763 24,066
TL-854-WT6/6 (8L’x5W’x4H’) 160 CF 318 Gallon $37,140 356,319 8,638
TL-854-WTC6/6 198 gallon in the lid 516 Gallon $38,850 578,178 14,016
TL-854-WT12/12 (8L’x5W’x4H’) 160 CF 767 Gallon $36,875 859,424 20,835
TL-854-WTC12/12 198 gallon in the lid 965 Gallon $39,897 1,081,283 26,213

9′ Fireboxes

Size/Model Firebox Dimensions Firebox Capacity f³​ Water Capacity Retail Price BTU Heats ft²
TL-934-WT6/6 (9L’x3W’x4H’) 108 CF 314 Gallon $33,397 351,837 8,529
TL-934-WTC6/6 135 gallon in the lid 449 Gallon $36,447 503,105 12,196
TL-934-WT12/12 (9L’x3W’x4H’) 108 CF 735 Gallon $34,475 823,568 20,014
TL-934-WTC12/12 135 gallon in the lid 870 Gallon $37,497 974,835 23,632
TL-944-WT6/6 (9L’x4W’x4H’) 144 CF 386 Gallon $36,450 432,513 10,485
TL-944-WTC6/6 180 gallon in the lid 566 Gallon $39,547 634,203 15,375
TL-944-WT12/12 (9L’x4W’x4H’) 144 CF 774 Gallon $37,525 867,267 21,025
TL-944-WTC12/12 180 gallon in the lid 954 Gallon $40,597 1,068,957 25,914
TL-955-WT6/6 (9L’x5W’x5H’) 225 CF 449 Gallon $41,975 503,105 12,186
TL-955-WTC6/6 225 gallon in the lid 674 Gallon $46,450 755,217 18,308
TL-955-WT12/12 (9L’x5W’x5H’) 225 CF 1,053 Gallon $43,595 1,179,887 28,603
TL-955-WTC12/12 225 gallon in the lid 1,278 Gallon $48,197 1,431,999 34,715
TL-955-WT14/12 (9L’x5W’x5H’) 225 CF 1,287 Gallon $45,175 1,442,084 34,860
TL-955-WTC14/12 225 gallon in the lid 1,512 Gallon $49,647 1,694,196 47,071

10′ Fireboxes

Size/Model Firebox Dimensions Firebox Capacity f³​ Water Capacity Retail Price BTU Heats ft²
TL-1044-WT6/6 (10L’x4W’x4H’) 160 CF 346 Gallon $39,397 387,693 9,399
TL-1044-WTC6/6 200 gallon in the lid 546 Gallon $42,997 611,793 14,831
TL-1044-WT12/12 (10L’x4W’x4H’) 160 CF 823 Gallon $40,697 922,172 22,356
TL-1044-WTC12/12 200 gallon in the lid 1,023 Gallon $44,197 1,146,272 27,788
TL-1046-WTC6/6 200 gallon in the lid 762 Gallon $48,450 853,821 21,345
TL-1046-WTC12/12 200 gallon in the lid 1,495 Gallon $51,897 1,675,148 41,878
TL-1054-WT6/6 (10L’x5W’x4H’) 200 CF 355 Gallon $42,397 397,778 9,643
TL-1054-WTC6/6 250 gallon in the lid 605 Gallon $46,150 783,230 18,987
TL-1054-WT12/12 (10L’x5W’x4H’) 200 CF 860 Gallon $43,697 963,630 22,361
TL-1054-WTC12/12 250 gallon in the lid 1,110 Gallon $47,550 1,243,755 30,152
TL-1055-WT6/6 (10L’x5W’x5H’) 250 CF 475 Gallon $45,097 532,238 12,903
TL-1055-WTC6/6 250 gallon in the lid 725 Gallon $48,897 812,363 19,694
TL-1055-WT12/12 (10L’x5W’x5H’) 250 CF 1,115 Gallon $46,797 1,249,358 30,287
TL-1055-WTC12/12 250 gallon in the lid 1,365 Gallon $50,497 1,529,483 37,078
TL-1056-WT6/6 (10L’x5W’x6H’) 300 CF 598 Gallon $48,097 670,059 16,751
TL-1056-WTC6/6 250 gallon in the lid 848 Gallon $51,897 950,184 23,754
TL-1056-WT12/12 (10L’x5W’x6H’) 300 CF 1,369 Gallon $49,997 1,533,965 38,187
TL-1056-WTC12/12 250 gallon in the lid 1,619 Gallon $53,797 1,814,090 43,978
TL-1065-WTC6/6 299 gallon in the lid 934 Gallon $53,250 1,046,547 26,164

12′ Fireboxes

Size/Model Firebox Dimensions Firebox Capacity f³​ Water Capacity Retail Price BTU Heats ft²
TL-1256-WT6/6 (12L’x5W’x6H’) 360 CF 667 Gallon $52,250 747,374 18,118
TL-1256-WTC6/6 250 gallon in the lid 917 Gallon $56,750 1,082,403 27,060
TL-1256-WT12/12 (12L’x5W’x6H’) 360 CF 1,527 Gallon $54,097 1,711,004 41,479
TL-1256-WTC12/12 299 gallon in the lid 1,826 Gallon $58,697 2,046,033 51,150

14′ Fireboxes

 

Size/Model Firebox Dimensions Firebox Capacity f³​ Water Capacity Retail Price BTU Heats ft²
TL-1456-WT6/6 (14L’x5W’x6H’) 420 CF 897 Gallon $74,150 1,005,089 24,366
TL-1456-WTC6/6 329 gallon in the lid 1,226 Gallon $79,450 1,373,733 33,303
TL-1456-WT12/12 (14L’x5W’x6H’) 420 CF 1,885 Gallon $75,850 2,112,143 51,203
TL-1456-WTC12/12 329 gallon in the lid 2,214 Gallon $81,597 2,480,787 60,140