Top loader wood boiler

Top loading wood boiler

Top Loader Wood Boiler - the easiest to load because you can load with heavy equipment!

CHOOSE YOURS!

ALL SIZES and PRICES in this file (click blue writing to left)

PLEASE DOUBLE CHECK the prices below because a typo IS possible (actually probable with me!)

No more manhandling of logs as you get older!

1/2 Thick firebox!

4 foot to 14 foot fireboxes; the Largest in the WORLD!

Heat 9,500 sq. ft to 105,000 sq. ft - based on wood capacity!

No steel bottom to get stressed and cause leaks!

TL-433-WT12/12 $19,450
(534 WT12/12 shown in photo - $24,489)
4 feet long x 3 feet wide x 3 foot tall firebox = 36 cubic feet of wood.

12" water jacket all around with 80 gallons in the lid, for a total of 428 Gallon! 479,574 BTU and a heating area of 11,626 sq ft based on water capacity.

We normally recommend a taller firebox because 3 feet of height can get used up pretty fast, if loading with big rounds. Lumber, scrap, branches and 12" logs work great in this model!

Emergency side loading door on all models in case of battery or hydraulic failure. This is a 26.5" x 26.5" door with a 2' x 2' opening.

The ash door is right below the loading door, which gives you access to the area below the grates.

1 foot taller will give you 1/3 more wood capacity but is just $1900 more!

Our TL-433-WTC12/12 with 80 gallons of water in the lid is just $20,797

TL-555 6/6 top loading boiler

TL-555-WT6/6 (5L’x5W’x5H’) 125 CF wood capacity 344 Gallon $31,974
385,452 BTU stored

31,250 sq. ft. based on wood capacity Use all the wood in firebox)

9,344 sq. ft. based on water capacity/BTUs stored

Rear of our TL-555 top loading boiler, with a 6" water jacket all around, showing the access doors for the plumbing, pumps, forced-air induction blower, 12 V battery and Ranco Aquastat.

TL-534-WTC12/12

TL-534-WTC12/12 75 gallon in the lid 608 Gallon Total $25,996
681,264 BTU Stored

16,515 sq. ft. based on water capacity/BTU stored
15,000 sq. ft. based on wood capacity

5 feet long x 3 feet wide x 4 foot tall firebox = 75 cubic feet of wood and is VERY POPULAR because many folks have 4 foot buckets or forks, etc!

Loading 4 foot long logs is easy with the extra length, with plenty of air flow around the logs!

12" water jacket all around with 75 gallons in the lid, for a total of 608 Gallons!
681,264 BTU storage and a heating area of 16,515 sq ft based on water capacity.

The TL-534 will hold slightly over 14 MILLION BTU of Oak!

<< Rear of TL-633

12V battery included as well Ranco Aquastat, along with one pump to circulate the water within the boiler itself (if water is in the lid) and one supply pump for the building.

FOUR outlets or more (for 4z+ pumps) and four or more returns available!

75 CFM forced-air induction blower shown, with solenoid activated damper.

The most popular 6 foot model is the TL-634-WT12/12 (6L’x3W’x4H’) which has a wood capacity of 72 CF and holds 583 Gallon for BTU storage of 653,252 BTU, ready to pull from at a moments notice.

Always hot, always ready!

TL-634-WT12/12 (6L’x3W’x4H’) 72 CF 583 Gallon with no water in the lid $26,875 653,252 BTU stored 15,836-18,000 sq ft

Many people prefer a 4 foot tall firebox (above) because if you are using BIG 16"+ rounds, a 3 foot space/height gets used up pretty quick!

TL-633-WT6/6 (6L’x3W’x3H 54 CF 173 Gallon $20,975
193,847 BTU
TL-633-WTC6/6 90 gallon in the lid 263 Gallon $22,450
294,692 BTU

PLEASE DOUBLE CHECK the prices at https://outdoorwoodfurnaceboiler.com/HyProTherm-Top-Loader-LIST-4.15.22.pdf because a typo IS possible,

An much older TL-633 Top Loader Wood Boiler (no longer made). The models now have a much sleeker 10" lid; in most cases a water-less lid.

TL-955 Top Loading Boilers

Log and Pallet Burner

TL-955 Top Loading Boiler

SIDE, showing emergency loading door and ash door below.

TL-955 Top Loader Boiler

Lid closed

TL-955-WT12/12
(9L'x5W'x5H') $42,662
225 CF
1,053 Gallon 1,179,887 stored BTU

56,250 sq. ft. based on wood capacity

Lid Open

TL-955 12/12 ready for loading!

GREAT for two rows of
4" x 4" pallets

28,603 sq. ft; BTU instantly available, based on water capacity

TL-955 Top Loading Boiler

Also available in a water-less Forced Hot Air Model. Great for KILNS!

Features of our Top Loader Boilers

TL-955 Top Loading Boiler

Hinges with 1 1/2"inch bar - Immensely Strong! Bar shown for reference of size.

Reburner for Top Loader Boiler

Designed like our front loaders, to trap the heat, the smoke but most importantly the gases in the wood so that they don't rush out the chimney and are wasted. NOW FREE!

Lifting Hooks

For use with chains/hooks and heavy equipment when a forklift is not available.

TL-955 Hot Air Model

Available in a water-less Forced Hot Air Model. Great for KILNS!

TL-WT-1056

Heats up to 75,000 sq. ft. based on WOOD Capacity

TL-WT-1056 loaded on the trailer getting ready to leave.

TL-1056-WT6/6 (10L'x5W'x6H') 300 CF 598 Gallon $46,967 670,059 BTU 16,751 sq. ft. based on water capacity/
BTU available
TL-1056-WTC6/6 250 gallon in the lid 848 Gallon $50,375 950,184 BTU 23,754 sq. ft. based on water capacity/
BTU available
TL-1056-WT12/12 (10L'x5W'x6H') 300 CF 1,369 Gallon $48,475 1,533,965 BTU 38,187 sq. ft. based on water capacity/
BTU available
TL-1056-WTC12/12 250 gallon in the lid 1,619 Gallon $51,897 1,814,090 BTU 43,978 sq. ft. based on water capacity/ BTU available

PLEASE DOUBLE CHECK the prices at https://outdoorwoodfurnaceboiler.com/HyProTherm-Top-Loader-LIST-4.15.22.pdf because a typo IS possible,

You can see the access doors at the rear of the boiler to get to the 12 V battery, the hydraulic pump, the 2 Hydronic pumps, the 75 CFM forced air induction fans.

On larger models we use more than one forced-air 75 CFM induction blower. They also have a solenoid activated damper on them to stop the air flow into the firebox when the fan turns off; saving you wood!

Hyprotherm TL-1256 Boiler

$50,945 to $56,257 with 6 to 12" water jackets;
Holding 667 Gallons to 1826 Gallons

Lid is Cycling in photo

Notice the emergency side loading door open.

Stump Burner TL-1350

TL-1350-WT6/6 (6L’x6W’x6H’) 216 CF 491 Gallon $42,075
Up to TL-1350-WTC12/6 - 180 gallon in the lid - 1,077 Gallon - $42,997
1.2 Million BTU stored

The firebox on this model is an incredibly large 6x6x6, capable of burning a full stump with roots down to nothing. We did not name it a TL-666 for obvious reasons!

TL-1456 Top Loading Boiler

We have built the largest model in the world which has a 14' long firebox. It is available in different widths and heights, ranging in price from $72,497 up to $81,175 for a LARGER (1466) FORCED AIR version with two Huge 2010 CFM Blowers.

The four models below have different water capacities because they have different size water jackets; 6" verses 12" and 2 of them have water in the lid which adds water capacity and BTU storage and enables you to heat larger buildings.

TL-1456-WT6/6 (14L'x5W'x6H') 420 CF 733 Gallon $72,497
821,327 BTU 20,533 sq. ft.
TL-1456-WTC6/6 352 gallon in the lid 1,085 Gallon $76,897 1,215,743 BTU 30,394 sq. ft.
TL-1456-WT12/12(14L'x5W'x6H') 420 CF 1,675 Gallon $74,397 1,876,838 BTU 46,920 sq. ft.
TL-1456-WTC12/12 352 gallon in the lid 2,027 Gallon $78,697 2,271,254 BTU 56,781 sq. ft.

We can also build these with 3, 4 and 6 foot widths as well as 3, 4 and 5 foot heights. Every single furnace is custom built so we will do anything and everything.

You have your choice of 17 different colors for the sides the corners and the lid on top loaders.

Top Loading Forced Air Furnace

This is our extremely popular forced air, hot air furnace that you can load easily with heavy equipment. A lot of people are buying them to heat a kiln and most of them are burning firewood and use the same firewood (cracked and twisted pieces) to dry their firewood so that they can get more money for it.

Seems like a win-win to me!
Top Loader Forced Air Models have TWO large 2020 CFM blowers to blow an abundance of air into a building, whether it be for heat or use as a kiln. Long buildings benefit from this design because they can be put in the center of the building (lengthwise) and run two ducts into the building, with one going to the left and one going to the right; taking the hot air to each end of the building.

The two return ducts are put closest to the furnace; pulling air from each end for extremely optimal circulation without cold spots. This is what the Army Corp of Engineers did in one of their warehouses.

Please note that the hinge bar is 1 1/2" thick which I show so that you can see the relative size of everything and the immense strength that is built into Hyprotherm Top Loading Furnaces and Boilers!

Top Loading Forced Air Furnace

KILN and Building HEATER

This is our extremely popular forced air, hot air furnace that you can load easily with heavy equipment.

Available as a boiler and with water in the lid! The WORLD'S LARGEST TOP LOADING forced-air furnace! A 14 foot long Firebox! 14' x 6' x 6'

A whole car will fit IN the firebox!

$81,175

World's Largest Top Loading Forced Air Furnace

Here is a photo of a top loader up in Canada heating a huge building.

Standard Grates made out of 3/4" Bar Stock

On our smaller top loaders we put a single row of grates down the length of the boiler with sand to each side. There is a steel plate that goes down to the concrete pad to block the sand from entering underneath the grates.

The sand is normally tapered up to the sidewalls in larger models, so that when you drop logs in, they land on the sand and will roll down onto the grates. Once you have a log on the grates, you can drop subsequent logs on top and the weight is well distributed across the grates.

This is done quite differently in larger models that have the pull out ash tray option. See photos above. The whole boiler is filled completely with grates from corner to corner.

There is an ash door directly below the emergency loading door which gives you access to the area below the grates for clean out with a hoe. On larger models, we give you two ash doors; one on each end.

Сheck out our Options

Sawdust and Wood Chip Burner

These channels in the corners plus the ones along the side carry the oxygen from the forced air induction blower to every inch, so that dense products like sawdust and wood chips burn effectively and efficiently.
$365

Optional Fork Removable Ash Trays

On 9' Models and larger, many people choose the optional pull out ash trays. We lift the boiler up on 12" I-Beams and build air tight ash trays to go between them.
When you purchase the ash trays, we fill the entire bottom with grates, as shown in the photo to the left.
$2200

Cylinder and Flange for Aftermarket Burner

You can bolt any propane, K-1, waste oil or other burner onto the boiler this way. We build the cylinder length to match YOUR burner! $380

Fork Removable Ash Tray

Shows ash tray placement in I-beams before putting the boiler on top.

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Top loader wood boiler

Top loading wood boiler