Pellet Boilers ... for your living room ... with central pellet storage anywhere in the house
  
Model FW32 & FW45 for LOW ENERGY HOME or PASSIVHAUS:
The models FW32 & FW45 are free-standing Hydronic Wood Pellet Heaters designed and well suited for Low Energy Home or Passivhaus. Both models have have a 15/85 heat distribution ratio. This means that only 15% of the rated heat output is radiated into the room where the unit is installed and around 85% of the rated heat output goes to the water.
Specifications: The overall Heat Output is between 28,000 BTU/hour and 38,000 BTU/hour to the water and only between 4,000 and 6,000 BTU/hour radiation/convection into the room. Perfect in combination with a Solar Hot Water system and 100 to 200 gallon storage tank.
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Model FW32 |
Model FW45 |
| Rated Heat Input |
BTU/Hr |
34,210 |
47,340 |
| Max Pellet Capacity |
Lbs |
82 |
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| Min-Max Pellet Size |
mm |
Diameter 4-10, Length 5-40 |
| Glass Area door |
Inches |
10 x 12 |
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| Firebox Volume |
CF |
NA |
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| Rated Overall Heat Output |
BTU/Hr |
32,500 |
44,500 |
| Heat to water |
BTU/Hr |
28,175 |
37,550 |
| Efficiency to water |
% |
87 |
87 |
| Heat into the room |
BTU/Hr |
4,335 |
5,780 |
| Efficiency to the room |
% |
13 |
13 |
| Overall efficiency (HHV) |
% |
89 |
89 |
| Overall efficiency (LHV) |
% |
95 |
94 |
| Burn Time |
Hrs |
Continuous |
Continuous |
| Water Flow |
GPM |
5 |
5 |
| Max. Water Temp. |
F |
140 |
140 |
| Min. Water Temp. |
F |
180 |
180 |
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| Emissions* |
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| Combustion concept |
Staged combustion |
| Particulate Emission rate |
gr/Hr |
0.45 |
0.45 |
| Particulate Emission Factor |
gr/kg |
0.35 |
0.35 |
| Particulate Emissions Level |
Lb/MMBTU |
0.012 |
0.012 |
| CO |
ppm |
50 |
50 |
| CO2 |
% |
12 |
12 |
| O2 |
% |
10 |
10 |
| Max. Stack Temp. |
F |
220 |
220 |
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| Water Capacity |
Gallons |
5 |
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| Maximum Operating Temperature |
F |
180 |
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| Maximum Operating Pressure |
PSI |
30 |
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| Test Pressure |
PSI |
75 |
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| Dimensional |
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| Height |
Inches |
48 |
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| Depth |
Inches |
27 |
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| Width |
Inches |
21.5 |
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| Weight |
Lbs |
485 |
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| Flue Collar |
Inches |
4 |
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| Built & Tested to the following Standards |
UL391, CAN/CSA B366.1 and UL 1482 |
| *Models FW32 & FW45 meet the EPA Hydronic Heater Program Phase II particulate emission level of max. 18 gr/hour. Models FW32 & FW45 can NOT be qualified to the EPA Hydronic Heater Program because thess models can not be operated at a burn rate for Category II. |
For installation schematics and user manuals, please e-mail us.
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