FLRH-6048

FLRH-6048 Outdoor Wood and Coal Boiler



FLRH-6048 - Our LARGEST Front Loading Boiler


$13,795


- Only $2600 more than the FLRH-400 model but has a 56% larger firebox at a massive 1/2 cord of wood capacity and has about 18,000 more BTU storage for heating larger or multiple buildings.


(Front Loading Residential Heater)
HyproTherm Wood and Coal Boiler

Hyprotherm FLRH-6048

Rear with Full-Sized Rear Door Shown
FLRH-6048 SPECIFICATIONS:

Water Capacity; 419 gallon
Firebox Thickness: 3/8" standard (50% thicker than most others)
with a HALF INCH option., where you also get a 1/2" water jacket bottom!
Water Jacket Thickness Bottom; 3/8” (No one else in the world does this!)
Water Jacket Thickness Sides and Top; 3/16” up-gradable to 1/4" which is 1/3 thicker.
Firebox Capacity; 64 cubic feet
Firebox Dimensions; 3/8” thick @ 69.5”L x 40”W x 40”H
Overall Dimensions: 122”L x 46”W x 87”H
Shipping Weight: Approx 4,530 lbs
Fuel Door; 26.5” x 26.5” with a 24” x 30” opening
Grate System; Three one-inch thick Coal type Grates (Optional Shaker Grate Upgrade if Burning Coal)
Ash Clean-out: Removable Ash Pan
BTUs; 469,490 @ 180 degree
Heatable Area; 11,737 sq ft approx

The standard insulation on our furnaces is unbeatable and a non-degrading K-factor insulation.


Comparable to and an exact but a better replacement for the Central Boiler 6048.

FLRH-6048 side with overflow

This whopper is just over TEN FEET LONG!

FLRH-6048 showing the side with the overflow tube.

Colors: 3 Sides are Burnished Slate with a Black Roof and Roof Trim, Black Front and Corners.

This Extra Deep Firebox is almost 6 feet long!

It has three one-inch thick solid steel grates. There is just surface rust on them which will never affect the longevity or performance!

You can cut pallets in half and easily burn them without the need of a top loader!

Extra Deep Firebox
FLRH-6048 in back with a 4 foot wide door

FLRH-6048 in back with a 4 foot wide lockable door with ample access to all of the components inside.

Plug-and-play hookup with one extra set of ports (optional) added.

All Pro Models include one pump installed with flanges, a second set of ports to heat an additional building (or pool, walkway, etc.), a built-in heat exchanger to heat your domestic hot water, a pull out ash tray, a digital Ranco thermostat plus it is pre-wired and includes a water level gauge and an analog thermometer as well.  They also have an included super-thick, heavy-duty 5/8" stove poker, a chimney cap, a dual motion light AND a 75 CFM induction stoker blower..

This model includes a standard 3/8 inch thick firebox AND the water jacket bottom, the most vulnerable part of the furnace, is also 3/8 inch thick!  

plug-and-play lookup with one extra set of ports (optional) added.
FLRH-6048 Hyprotherm Boiler


FLRH-6048 Hyprotherm Boiler with a very large loading door! 
26.5” x 26.5” with a 24” x 30” opening

In the U.S., with rare exception, our furnaces are for Business applications only.

They are built to heat businesses, buildings, garages, workshops,
commercial and other spaces, plus domestic hot water systems,
pools and hot tubs.

Our traditional outdoor furnaces generate economical,
natural and safe heat.

They are compatible with most existing and new heat systems,
including hot water, forced air, hydronic heat, radiant floors, baseboard heat, pools and hot tubs and more.


Please see https://outdoorwoodfurnaceboiler.com/EPA_regs.htm

Hyprotherm FLRH-6048 Pad Diagram

Concrete Pad Diagram

FLRH-6048 Pad Diagram

We recommend a 4" thick concrete pad to carry the weight of this massive boiler because this model will have 3200 pounds of water and the weight of the boiler is well over 2 tons!  4534 pounds.  You will need a very substantial pad so that the boiler does not sink into the ground.  

You can also use solid 4" concrete blocks or even pavers.   Many people use railroad ties for support.  The choice is yours.

20-year ON-SITE WARRANTY

1: 20-year ON-SITE WARRANTY!

- VERY IMPORTANT that you won't have to pay shipping to get it repaired! (10-years on water jacket)
430-ton Press Brake

2: 430-ton Press Brake

We are the only manufacturer that uses a press brake to form a firebox and water jacket; both individually formed from a single piece of metal.

Most everyone else uses 6 flat slabs of steel, with no inherent strength and that requires 12 welds because welds are the weak spots.

This new firebox and water jacket is formed using a 430-ton Press Brake, meaning less welds which means less potential for leaks because leaks often start at welds; Almost as few welds as on a cylinder; Only 4 welds vs. 12 welds on a typical firebox. Three times less! 

3: Not only is the firebox thicker; the water jacket bottom is THE SAME THICKNESS as the firebox because it is the most vulnerable part); 3/8" standard and the 1/2" THICK firebox option gives you a HALF INCH THICK water jacket bottom as well!
NO ONE ELSE DOES THAT - ANYWHERE!!  The cost for this is just $997.  You may want to consider that upgrading the thickness of the water jacket may be a better, where we make your water jacket 1/3 thicker, upgrading it to 1/4" thick, for just $535, which is what I did on my personal boiler. 

Proprietary Electronics and Circuit Boards

4: It is the best boiler because we have ALL Off-the-Shelf PARTS; nothing proprietary that you have to get from us.

5: It is the best boiler because it has No electronics; NO circuit boards, NO computerized parts (like the circuit board on the left and on the Wood Master and Central Boiler and many others)! 

Smartphone Monitoring

6: WE DO NOT HAVE THIS!  Do you really need a Smartphone or Laptop to monitor your outdoor boiler?

I say that you should not have one if you cannot go outside and open the rear door and look at the thermometer and glance at the water gauge to see what is going on!

It is just something else to go wrong with a lot of extra expense that seems to be never covered under warranty.  They always say that a power surge took out the circuit board and you get stuck with a $300.00 bill and the technicians cost to install it.  

Not so with HyproTherm.  Every part on our boiler is available almost anywhere and everywhere; on eBay, at Grainger, your local plumbing supply; even in Canada!

SET of three 1" thick Iron Grates

1 Inch Solid Steel Grates

7: Solid Steel grates are much stronger; resistant to bowing and deformation like you may get with other thinner grates. Shaker grates made from cast iron and are available as an option, mostly for those folks burning a lot of coal, where the coal is inclined to have clinkers.

Our smallest models have one grate, the next two sizes up have two grates and our largest models typically have three grates.  

Pull-out Ash Tray

8: Pull-out Ash Tray

Most manufacturers make you open up the firebox door to clean out the ashes with a shovel.  You will quickly find out that you are not going to get anywhere near the firebox because it will be 800 F or more!

They want you to open the firebox door and you will need to leave it open to let the heat out and I call that wasting heat.  You will need to kill the fire to be able to shovel out the ashes and then you have to start a fire again, in the dead of winter.

With our furnaces you do it the easy way.  Even with a fire raging, you can pull out the ash tray, dump the ashes into a fire proof container and slide the tray back in without missing a lick.  Two handles on the ash tray make it easy.  Every ash tray is the same length as the firebox.

9: It is the best boiler because it has one standard pump installed WITH flanges; many others don't give you any pump PLUS we give you an extra set of ports for another pump to heat another building. See next photo. below.

10: They all come pre-wired with a reliable RANCO aquastat as shown.
All wired up, protected behind full-sized rear door.


All wired up, protected behind full-sized rear door
Copper Domestic Hot Water Coil

11: A built-in copper hot water coil, that sits in the big tank of water to heat your domestic hot water; saving you $35-$65 a month in energy costs plus $3-400 in installation costs of parts that are needed with other manufacturers' boilers.

K Factor Insulation from Knauf and Morgan Thermal Ceramics

Morgan Thermalceramics Superwool

Morgan ThermalCeramics Superwool

A K-factor insulation rated at 2370F for the area front and back of the firebox, which could be as hot as 800F!

Superwool insulating fibre is a low biopersistent product offering a versatile alternative to traditional insulation solutions for industrial and commercial applications.

Morgan's development in low biopersistence fibres has led the revolution in their use for high-temperature insulation applications over the last 20 years and our most recent innovation, Superwool Prime.

Our patented Superwool products, manufactured using ISO 9002-certified processes, are manufactured from Alkaline Earth Silicate (AES) composition fibres, uniquely engineered to offer advantages in high-temperature insulation applications:

Key benefits include:

Classification temperatures of 1200°C Superwool Plus and 1300°C Superwool Prime
Low biopersistent exonerated fibres
Lower thermal conductivity, improves insulation by 20% compared to other tested AES fibres
Up to 30% more fibres due to high fibre index, efficient prevention of heat transfer and greater strength Improved handling, operator satisfaction 

Knauf 1000F insulation for around the water jacket, which is normally no no more than 180F  

Knauf Insulation

SolarGuard Pole Barn Reflective Insulation

SolarGuard Reflective Insulation greatly increases comfort by reducing radiant heat gain. The barriers consist of a highly reflective material that reflects radiant heat rather than absorbing it. SolarGuard is effective used alone or in conjunction with fiberglass batts for optimal thermal performance.

Blocks radiant energy, heat conduction and convection

Bright Finished Appearance
Hot Melt Technology
Reflective
Vapor Retarder 

SolarGuard Insulation

SUMMARY:

Our boilers have flat, one inch thick solid steel grates standard, a 3/8" thick firebox; that is 50% thicker than common 1/4" fireboxes OR the half inch thick option; 100% thicker than common 1/4" fireboxes) and includes a pullout ash tray for easy clean-outs, the standard pump, a second set of ports for another pump or building and the built-in heat exchanger for the domestic hot water - as well as an automatic, solenoid activated damper on the forced air fan/draft, in the back and a chimney cap AND last but not least, a 3/8" or 1/2" thick water jacket bottom option; the most vulnerable part; now at least 3 times thicker.

Remember, there is no real negative to getting a larger furnace because it is not like purchasing an air conditioner where if you get one too big, it becomes inefficient. It is simply like getting a larger fuel tank so that it will hold more fuel and you will need to fill it less often.

** Most companies do not even have grates or a way to clean out the ashes, other than opening the loading door and you are not getting anywhere near it because it is 800 F - 2000F. So you have to let it cool down from and then restart a fire - in the dead of winter!

This is how we do it! A removable tray! The EASY WAY!

Remember, there is NO SALES TAX when we ship out of state!

Remember, the 20/10 year parts AND labor ON-SITE warranty, which is probably the best feature because at least 85% of the manufacturers out there require that you ship the furnace back to the factory to get it repaired. Then they have to ship it back to you and while the repair may be free, they charge you for the shipping both ways AND you have to disconnect the furnace, reinstall it and be without it for at least 2-6 weeks.

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