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Hyprotherm Top Loading Boilers – Waterless Lids

Hyprotherm Top Loading Boilers – Waterless Lids

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.

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

4″ Fireboxes

Size/Model Firebox Dimensions Firebox Capacity f³​ Water Capacity Retail Price BTU Heats ft²
TL-433 (4L’x3W’x3H’) 36 CF 308 Gallon $9,827 308,416 7,500
TL-433-WT12/12 (4L’x3W’x3H’) 36 CF 348 Gallon $9,827 389,934 9,453
TL-433-WTC12/12 80 gallon in the lid 428 Gallon $10,777 479,574 11,626
TL-446-WT6/6 (4L’x4W’x6H’) 96 CF 357 Gallon $16,647 400,019 9,697
TL-446-WTC6/6 80 gallon in the lid 437 Gallon $17,597 489,469 11,866
TL-446 (4L’x4W’x6H’) 96 CF 554 Gallon $17,177 620,757 15,049
TL-446-WT10/10 (4L’x4W’x6H’) 96 CF 665 Gallon $17,177 745,133 18,064
TL-446-WTC10/10 80 gallon in the lid 745 Gallon $18,127 834,773 20,236
TL-454-WT6/6 (4L’x5W’x4H’) 80 CF 244 Gallon $14,847 250,992 6,085
TL-454-WTC6/6 100 gallon in the lid 344 Gallon $15,797 385,452 9,344
TL-454 (4L’x5W’x4H’) 80 CF 486 Gallon $15,347 544,563 13,202
TL-454-WT12/12 (4L’x5W’x4H’) 80 CF 580 Gallon $15,347 649,890 15,755
TL-454-WTC12/12 100 gallon in the lid 680 Gallon $16,297 761,940 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 $13,887 250,992 6,085
TL-534-WTC6/6 75 gallon in the lid 299 Gallon $14,837 350,030 8,486
TL-534 (5L’x3W’x4H’) 60 CF 442 Gallon $14,307 495,261 12,006
TL-534-WT12/12 (5L’x3W’x4H’) 60 CF 533 Gallon $14,307 597,227 14,478
TL-534-WTC12/12 75 gallon in the lid 608 Gallon $15,257 681,264 16,515
TL-553-WT6/6 (5L’x5W’x3H’) 75 CF 303 Gallon $16,117 339,512 8,231
TL-553-WTC6/6 125 gallon in the lid 428 Gallon $17,067 479574 11,626
TL-553 (5L’x5W’x3H’) 75 CF 479 Gallon $16,617 474,336 11,500
TL-553-WT 12/12 (5L’x5W’x3H’) 75 CF 447 Gallon $16,617 500,864 12,142
TL-553-WTC12/12 125 gallon in the lid 572 Gallon $17,567 640,926 15,538
TL-555-WT6/6 (5L’x5W’x5H’) 125 CF 344 Gallon $19,757 385,452 9,344
TL-555-WTC6/6 125 gallon in the lid 469 Gallon $20,707 525,515 12,740
TL-555-WT12/12 (5L’x5W’x5H’) 125 CF 806 Gallon $20,457 903,123 21,894
TL-555-WTC12/12 125 gallon in the lid 931 Gallon $21,407 1,043,186 25,289
TL-556-WT6/6 (5L’x5W’x6H’) 150 CF 426 Gallon $21,727 477,333 11,572
TL-556-WTC6/6 125 gallon in the lid 551 Gallon $22,677 617,396 14,697
TL-556 (5L’x5W’x6H’) 150 CF 715 Gallon $22,577 801,158 19,442
TL-556-WT12/12 (5L’x5W’x6H’) 150 CF 985 Gallon $22,577 1,103,693 26,756
TL-556-WTC12/12 125 gallon in the lid 1,110 Gallon $23,527 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 $12,987 193,847 4,699
TL-633-WTC6/6 90 gallon in the lid 263 Gallon $13,937 564,732 13,690
TL-633 (6L’x3W’x3H’) 54 CF 425 Gallon $13,437 416,752 10,000
TL-633-WT12/12 (6L’x3W’x3H’) 54 CF 419 Gallon $13,437 469,490 11,382
TL-633-WTC12/12 90 gallon in the lid 504 Gallon $14,387 564,732 13,690
TL-634-WT6/6 (6L’x3W’x4H’) 72 CF 224 Gallon $14,997 250,992 6,085
TL-634-WTC6/6 90 gallon in the lid 314 Gallon $15,947 351,837 8,529
TL-634 (6L’x3W’x4H’) 72 CF 478 Gallon $15,417 535,599 12,984
TL-634-WT12/12 (6L’x3W’x4H’) 72 CF 583 Gallon $15,417 653,252 15,836
TL-634-WTC12/12 90 gallon in the lid 673 Gallon $16,367 754,097 18,281
TL-644-WT6/6 (6L’x4W’x4H’) 96 CF 404 Gallon $16,787 452,682 10,974
TL-644-WTC6/6 120 gallon in the lid 524 Gallon $17,737 587,142 14,234
TL-644 (6L’x4W’x4H’) 96 CF 554 Gallon $17,247 620,757 15,049
TL-644-WT12/12 (6L’x4W’x4H’) 96 CF 628 Gallon $17,247 703,674 17,059
TL-644-WTC12/12 120 gallon in the lid 748 Gallon $18,197 703,674 17,059
TL-1350-WT6/6 (6L’x6W’x6H’) 216 CF 491 Gallon $23,847 550,166 13,337
TL-1350-WTC6/6 180 gallon in the lid 671 Gallon $24,797 751,865 18,227
TL-1350 (6L’x6W’x6H’) 216 CF 889 Gallon $24,497 1,065,596 26,639
TL-1350-WT12/6 (6L’x6W’x6H’) 216 CF 897 Gallon $24,497 1,005,089 24,366
TL-1350-WTC12/6 180 gallon in the lid 1,077 Gallon $25,447 838,134 20,318

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 $20,647 295,812 7,171
TL-844-WTC 6/6 160 gallon in the lid 424 Gallon $22,497 475,092 11,517
TL-844 (8L’x4W’x4H’) 128 CF 683 Gallon $21,357 765,302 18,552
TL-844-WT12/12 (8L’x4W’x4H’) 128 CF 726 Gallon $21,357 813,483 19,720
TL-844-WTC12/12 160 gallon in the lid 886 Gallon $23,217 992,763 24,066
TL-854-WT6/6 (8L’x5W’x4H’) 160 CF 318 Gallon $21,577 356,319 8,638
TL-854-WTC6/6 198 gallon in the lid 516 Gallon $23,437 578,178 14,016
TL-854 (8L’x5W’x4H’) 160 CF 771 Gallon $22,277 863,906 20,943
TL-854-WT12/12 (8L’x5W’x4H’) 160 CF 767 Gallon $22,277 859,424 20,835
TL-854-WTC12/12 198 gallon in the lid 965 Gallon $24,137 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 $20,137 351,837 8,529
TL-934-WTC6/6 135 gallon in the lid 449 Gallon $21,997 503,105 12,196
TL-934 (9L’x3W’x4H’) 108 CF 651 Gallon $20,837 783,230 19,000
TL-934-WT12/12 (9L’x3W’x4H’) 108 CF 735 Gallon $20,837 823,568 20,014
TL-934-WTC12/12 135 gallon in the lid 870 Gallon $22,697 974,835 23,632
TL-944-WT6/6 (9L’x4W’x4H’) 144 CF 386 Gallon $21,987 432,513 10,485
TL-944-WTC6/6 180 gallon in the lid 566 Gallon $23,847 634,203 15,375
TL-944 (9L’x4W’x4H’) 144 CF 747 Gallon $22,657 837,014 20,291
TL-944-WT12/12 (9L’x4W’x4H’) 144 CF 774 Gallon $22,657 867,267 21,025
TL-944-WTC12/12 180 gallon in the lid 954 Gallon $24,517 1,068,957 25,914
TL-955-WT6/6 (9L’x5W’x5H’) 225 CF 449 Gallon $25,387 503,105 12,186
TL-955-WTC6/6 225 gallon in the lid 674 Gallon $27,247 755,217 18,308
TL-955-WT12/12 (9L’x5W’x5H’) 225 CF 1,053 Gallon $26,317 1,179,887 28,603
TL-955-WTC12/12 225 gallon in the lid 1,278 Gallon $28,177 1,431,999 34,715
TL-955-WT14/12 (9L’x5W’x5H’) 225 CF 1,287 Gallon $28,147 1,442,084 34,860
TL-955-WTC14/12 225 gallon in the lid 1,512 Gallon $29,997 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 $23,747 387,693 9,399
TL-1044-WTC6/6 200 gallon in the lid 546 Gallon $25,857 611,793 14,831
TL-1044-WT12/12 (10L’x4W’x4H’) 160 CF 823 Gallon $24,487 922,172 22,356
TL-1044-WTC12/12 200 gallon in the lid 1,023 Gallon $26,607 1,146,272 27,788
TL-1054-WT6/6 (10L’x5W’x4H’) 200 CF 355 Gallon $25,547 397,778 9,643
TL-1054-WTC6/6 250 gallon in the lid 605 Gallon $27,667 783,230 18,987
TL-1054-WT12/12 (10L’x5W’x4H’) 200 CF 860 Gallon $26,317 963,630 22,361
TL-1054-WTC12/12 250 gallon in the lid 1,110 Gallon $28,437 1,243,755 30,152
TL-1055-WT6/6 (10L’x5W’x5H’) 250 CF 475 Gallon $27,247 532,238 12,903
TL-1055-WTC6/6 250 gallon in the lid 725 Gallon $29,367 812,363 19,694
TL-1055-WT12/12 (10L’x5W’x5H’) 250 CF 1,115 Gallon $28,147 1,249,358 30,287
TL-1055-WTC12/12 250 gallon in the lid 1,365 Gallon $30,267 1,529,483 37,078
TL-1056-WT6/6 (10L’x5W’x6H’) 300 CF 752 Gallon $29,037 842,616 20,427
TL-1056-WTC6/6 250 gallon in the lid 1,002 Gallon $31,147 1,122,741 27,218
TL-1056-WT12/12 (10L’x5W’x6H’) 300 CF 1,369 Gallon $29,977 1,533,965 37,187
TL-1056-WTC12/12 250 gallon in the lid 1,619 Gallon $32,087 1,814,090 43,978

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 $31,467 747,374 18,118
TL-1256-WTC6/6 299 gallon in the lid 966 Gallon $33,587 1,373,733 33,303
TL-1256-WT12/12 (12L’x5W’x6H’) 360 CF 1,527 Gallon $32,647 1,711,004 41,479
TL-1256-WTC12/12 299 gallon in the lid 3,627 Gallon $34,767 1,373,733 33,303

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 $44,787 1,005,089 24,366
TL-1456-WTC6/6 329 gallon in the lid 1,226 Gallon $47,437 1,373,733 33,303
TL-1456-WT12/12 (14L’x5W’x6H’) 420 CF 1,885 Gallon $45,987 2,112,143 51,203
TL-1456-WTC12/12 329 gallon in the lid 2,214 Gallon $48,637 2,480,787 60,140

The standard insulation on our furnaces is:

2″ of Morgan Super Wool with an R value of 56.8 on the tops and fronts and 3″ of Knauf ET Blanket + 1/4″ of Solar Guard for a combined R value of 23.1 on the rest of the furnace

The cold weather package is R-88.23 on tops and fronts and 68.4 on the rest of the furnace and is available for an additional $443.00

You can find out more insulation information including video demonstrations by going to the insulation page.

Waterless Top Loader Photos