Aqua-Therm Original Wood Boilers
The Aqua-Therm Original was first introduced in 1983 and, while many improvements have been made along the way, is still keeping thousands of satisfied customers warm today.
Solid, reliable design and construction, great performance, affordability, and a Limited Lifetime Warranty have made these boilers popular with our customers.
Aqua-Therm wood boilers come in sheltered and unsheltered
units for use with forced air systems or hot water systems. All
units can be purchased in either Sheltered or Unsheltered
models. 22 various colors are available including “Mossy Oak
Camo” at no additional charge (see color chart.)
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The ECO-ONE reduces the amount of visible smoke by
increasing the combustion air to the firebox.
Download a print
friendly version of Aqua-Therm sheltered and unsheltered Wood
Boiler Information and Specifications.
The Aqua-Therm Original features a rear mounted, fan forced air draft for increased burning efficiency and more complete fuel burn, as well as a heavy duty 409 Stainless Steel Inner Firebox for long life and superior corrosion resistance.
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How Does it Work?
A
blower provides air below the grates (green arrows) the same way
as a traditional Aqua-Therm Outdoor Wood-fired Boiler. A second
blower moves air through the door, both pre-heating the air and
cooling the door. This secondary combustion air (yellow arrows)
is added above the fire the length of the firebox through a
two-pass baffle. Exhaust gases flow from the back through the
second pass of the baffle, heating the secondary combustion air
before exiting through the chimney.
Aqua therm boilers come with many features for time saving
and efficiency. Large round fireboxes save sawing and splitting
time. The easy to install units connect to most existing heating
systems, and the three sizes available meet most heating needs.
Most of the Aqua-Therm & ECO-ONE are in stock or lead times
minimal with monthly payments as low as $136.20*.
*See
pricing sheet |
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Unsheltered Standard Equipment
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- Ash Auger
- 409 Stainless Steel Inner Firebox
- Insulated Blanket
- Wiring Harness
- Draft Fan with Automatic Shutter Damper
- Boiler Drain Valves
- Pressure & Temperature Relief Valves
- Pressure & Temperature Gauge
- Immersion Aquastat
- Circulating Pump
- Isolation Pump Flanges
- Expansion Tank
- Auto Air Vent & Air Scoop
Standard on Forced Air Models Only:
- 110V Thermostat Relay
- Forced Air Heat Exchanger
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Sheltered Standard Equipment
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- Ash Auger
- 409 Stainless Steel Inner Firebox
- Double-wall Stainless Steel Chimney
- Insulated Blanket
- Safety Disconnect Switch with Breaker
- Draft Fan with Automatic Shutter Damper
- Boiler Drain Valves
- Pressure & Temperature Relief Valves
- Pressure & Temperature Gauge
- Immersion Aquastat
- Circulating Pump
- Isolation Pump Flanges
- Expansion Tank
- Auto Air Vent & Air Scoop
- Loading Light
Standard on Forced Air Models Only:
- 110V Thermostat Relay
- Forced Air Heat Exchanger
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Aqua-Therm Original Wood Boiler Models
Unsheltered or Sheltered, the Aqua-Therm Original Wood Boiler is available in three sizes , providing the right heating capacity for a variety of applications and requirements. Click here for our latest boiler product brochure.
Model 145 / S-145
Model 145 is appropriately suited for homes under 2,000 square feet generally requiring constant circulation of heated water.
Model 275 / S-275
Model 275 is perfect for homes between 2,000 and 5,000 square feet. It is also well suited for poorly insulated homes and for individuals burning soft or low quality wood. It has enough capacity to heat a house and a garage or small shop. The Model 275 is also great for anyone who wants longer burn times between refueling.
Model 345 / S-345
Model 345 has enough heating capacity for homes between 5,000 and 8,000 square feet. It is also ideal for pole buildings, green houses, farrowing and calf barns, or anywhere a large amount of economical heat is needed. Model 345 also works great for heating two buildings with one unit.
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Sheltered - Specifications
| Model |
S-145 |
S-275 |
S-345 |
| Height (To Roof Peak) |
67" |
67" |
67" |
| Length with Fan |
72" |
72" |
84" |
| Width |
48" |
48" |
48" |
| Firebox Length |
42" |
42" |
55 1/2" |
| Firebox Diameter |
25" |
32 1/2" |
32 1/2" |
| Door Opening |
16" X 20" |
19 1/2" X 25" |
19 1/2" X 25" |
| Water Capacity |
48 gallons |
59 gallons |
76 gallons |
| Flue Size |
6" |
6" |
6" |
| Weight |
1080 lbs. |
1350 lbs. |
1590 lbs. |
Unsheltered - Specifications
| Model |
145 |
275 |
345 |
Height
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46" |
57 1/2" |
57 1/2" |
| Length with Fan |
58" |
58" |
73" |
| Width |
30" |
38 1/2" |
38 1/2" |
| Firebox Length |
42" |
42" |
55 1/2" |
| Firebox Diameter |
25" |
32 1/2" |
32 1/2" |
| Door Opening |
16" X 20" |
19 1/2" X 25" |
19 1/2" X 25" |
| Water Capacity |
48 gallons |
59 gallons |
76 gallons |
| Flue Size |
6" |
6" |
6" |
| Weight |
630 lbs. |
900 lbs. |
1050 lbs. |
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