Boiler DEFRO GAMMA 10 kW Left/Right
SKU: F170J
EAN: 2010000030165
Product details
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Defro GAMMA Series Pellet Boilers
The Defro GAMMA series boilers are modern, automated heating devices designed for wood pellets, combining high energy efficiency rated A+ with eco-friendly operation in line with Ecodesign standards. Offering a wide range of power outputs, GAMMA boilers provide comfortable and economical heating for various applications.
Key Features of Defro GAMMA Boilers:
- Automatic Pellet Combustion: The boiler operates fully automatically, utilizing pellets or wooden briquettes as the recommended fuel, ensuring high ease of use.
- High Energy Efficiency (A+): An energy class of A+ and a seasonal space heating efficiency of 79-81% guarantee economical fuel consumption.
- Ecodesign Compliance: These devices meet the stringent requirements of Commission Regulation (EU) 2015/1189 (Ecodesign) regarding low emissions of pollutants (PM, VOCs, CO, NOx) during pellet combustion.
- Wide Power Range (10-40 kW): Availability of models with rated power from 10 kW to 40 kW allows for precise matching of the boiler to the heating needs of buildings of various sizes.
- Optimal Operation with Buffer Tank: Recommended collaboration with a suitably sized hot water buffer tank (with a minimum capacity depending on the model) ensures the most stable and efficient operation of the heating system.
- Low Electricity Consumption: The boilers are characterized by low power consumption for their own needs, which further reduces operating costs.
Who is this a good choice for?
Defro GAMMA boilers are an excellent solution for homeowners, as well as smaller commercial or public utility buildings, looking for an efficient, eco-friendly, and automated pellet heating system. Their high energy rating and compliance with standards make them an ideal choice for those who value savings, ease of use, and care for the natural environment.
Technical Specification – DEFRO GAMMA Boilers (10-40 kW)
| Parameter | GAMMA 10 | GAMMA 15 | GAMMA 20 | GAMMA 25 | GAMMA 30 | GAMMA 40 |
|---|---|---|---|---|---|---|
| Device Parameters | ||||||
| Model Identifier | GAMMA 10 | GAMMA 15 | GAMMA 20 | GAMMA 25 | GAMMA 30 | GAMMA 40 |
| Fuel Delivery Method | Automatic fuel feed: it is recommended to operate the boiler with a hot water tank of at least 200 l capacity | Automatic fuel feed: it is recommended to operate the boiler with a hot water tank of at least 300 l capacity | Automatic fuel feed: it is recommended to operate the boiler with a hot water tank of at least 400 l capacity | Automatic fuel feed: it is recommended to operate the boiler with a hot water tank of at least 500 l capacity | Automatic fuel feed: it is recommended to operate the boiler with a hot water tank of at least 600 l capacity | Automatic fuel feed: it is recommended to operate the boiler with a hot water tank of at least 800 l capacity |
| Condensing Boiler | no | no | no | no | no | no |
| Cogeneration Boiler for Solid Fuel | no | no | no | no | no | no |
| Multifunctional Boiler | no | no | no | no | no | no |
| Parameters According to Regulation 2015/1187 | ||||||
| Energy Efficiency Class | A+ | A+ | A+ | A+ | A+ | A+ |
| Nominal Thermal Power (kW) | 10 | 15 | 20 | 25 | 30 | 40 |
| Energy Efficiency Index (EEI) | 119 | 117 | 118 | 119 | 118 | 118 |
| Seasonal Energy Efficiency for Room Heating (ηs) (%) | 80 | 79 | 80 | 81 | 80 | 80 |
| Fuel and Emissions Related to Seasonal Room Heating | ||||||
| Fuel | (recommended / other suitable) | |||||
| Logs, moisture ≤ 25 % | no / no | no / no | no / no | no / no | no / no | no / no |
| Chips, moisture 15-35 % | no / no | no / no | no / no | no / no | no / no | no / no |
| Chips, moisture > 35 % | no / no | no / no | no / no | no / no | no / no | no / no |
| Pressed Wood in the Form of Pellets or Briquettes | yes / no | yes / no | yes / no | yes / no | yes / no | yes / no |
| Sawdust, moisture ≤ 50 % | no / no | no / no | no / no | no / no | no / no | no / no |
| Other Wooden Biomass | no / no | no / no | no / no | no / no | no / no | no / no |
| Non-Wood Biomass | no / no | no / no | no / no | no / no | no / no | no / no |
| Hard Coal | no / no | no / no | no / no | no / no | no / no | no / no |
| Lignite (including briquettes) | no / no | no / no | no / no | no / no | no / no | no / no |
| Coke | no / no | no / no | no / no | no / no | no / no | no / no |
| Anthracite | no / no | no / no | no / no | no / no | no / no | no / no |
| Briquettes from Mixed Fossil Fuel | no / no | no / no | no / no | no / no | no / no | no / no |
| Other Fossil Fuel | no / no | no / no | no / no | no / no | no / no | no / no |
| Briquettes from a Mixture (30-70 %) of Biomass and Fossil Fuel | no / no | no / no | no / no | no / no | no / no | no / no |
| Other Mixture of Biomass and Fossil Fuel | no / no | no / no | no / no | no / no | no / no | no / no |
| PM Emission (mg/m³) – Recommended Fuel | 14 | 15 | 15 | 14 | 14 | 15 |
| OGC Emission (mg/m³) – Recommended Fuel | 17 | 15 | 15 | 16 | 16 | 16 |
| CO Emission (mg/m³) – Recommended Fuel | 262 | 278 | 279 | 284 | 283 | 309 |
| NOₓ Emission (mg/m³) – Recommended Fuel | 184 | 186 | 191 | 198 | 176 | 184 |
| Properties when Operating with Recommended Fuel Only | ||||||
| Produced Useful Heat | ||||||
| at nominal thermal power (Pn) (kW) | 10.2 | 15.3 | 19.8 | 25.0 | 30.1 | 38.8 |
| at 30 % of nominal thermal power (Pp) (kW) | 2.9 | 4.5 | 5.9 | 7.1 | 8.9 | 11.6 |
| Operational Efficiency | ||||||
| at nominal thermal power (ηn) (%) | 85.3 | 84.7 | 84.9 | 85.1 | 84.6 | 84.6 |
| at 30 % of nominal thermal power (ηp) (%) | 85.6 | 83.6 | 84.3 | 84.8 | 84.3 | 83.8 |
| For Solid Fuel Cogeneration Boilers: Electrical Efficiency | ||||||
| at nominal thermal power (ηel,n) (%) | n/a | n/a | n/a | n/a | n/a | n/a |
| Electricity Consumption for Own Needs | ||||||
| at nominal thermal power (elmax) (kW) | 0.075 | 0.081 | 0.101 | 0.116 | 0.126 | 0.132 |
| at 30 % of nominal thermal power (elmin) (kW) | 0.026 | 0.028 | 0.032 | 0.036 | 0.038 | 0.041 |
| Secondary devices for emission reduction, where applicable | n/a | n/a | n/a | n/a | n/a | n/a |
| in standby mode (PSB) (kW) | 0.002 | 0.002 | 0.002 | 0.002 | 0.002 | 0.002 |
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