The DEFRO Komfort EKOPELL boiler is a modern, compact heating device designed for efficient and convenient heating of single-family homes, service buildings, or small industrial facilities. It stands out for its high efficiency, reliability, and numerous user conveniences.
Main features of the boiler:
- 5-year warranty for the heat exchanger tightness and 2-year warranty for other components and proper boiler operation.
- APC K SLIM controller with Adaptive Control technology – a modern system managing boiler operation, supporting:
- up to 4 circulation pumps (e.g., heating, domestic hot water, underfloor heating, circulation),
- 1 mixing valve.
Possibility of remote monitoring and parameter adjustment via an optional internet module. - The boiler can operate in a closed system – provided appropriate safety devices are installed in accordance with the Technical Documentation (DTR).
- Pellet burner equipped with automatic cleaning – standard feature ensuring long, maintenance-free operation.
- Automatic fuel ignition – no manual lighting required.
- Compact design – easy to install even in small boiler rooms.
- Heat exchanger made of certified high-grade steel – ensures durability and corrosion resistance.
- Ceramic catalysts stabilize and improve the combustion process – increase efficiency and reduce emissions.
- Weather-based control as standard – adjusts boiler operation based on outdoor temperature, saving energy.
- Fuel hopper can be repositioned – flexible adaptation to the room layout (left/right side).
The DEFRO Komfort EKOPELL boiler is a modern and energy-efficient solution for those seeking a reliable heat source with high user comfort. Thanks to advanced technologies and automation, the device requires minimal operation, while its durability and efficiency meet the highest ecological and technical standards.
Controller functions
- Innovative ADAPTIVE Control using a turbine flow meter for optimal adjustment of fan and feeder parameters
- Control of the fan (airflow monitoring for proper combustion) and feeder
- Control of CO pump, DHW pump, and mixing valve
- Control of additional device
- Control of one mixing valve
- Automatic boiler ignition and shutdown
- Weekly programming
- Internet control (remote ignition and shutdown) – optional
- Compatible with RS communication or traditional room thermostats
- Compatible with ST-65 GSM module
- Ignition via electric heater
- Ability to control an additional mixing valve using DEFRO MZ module
- Large color graphic display
- Controller panel mounted in an angle-adjustable console
- Sensors for CO temperature, DHW, valve, flue gas
- Photodetector (flame sensor)
- Equipped with STB temperature safety
- Equipped with burner thermal protection
Burner
Pellet burner with automatic cleaning function – standard feature ensuring convenience and maintenance-free operation.
Standard equipment
- APC K Slim controller
- ADAPTIVE CONTROL management
- Leveling feet – for easier installation
- Igniter for automatic pellet ignition
- Weather compensation – responds to outdoor temperature
Optional equipment (extra charge)
- GSM module
- I-1 module
- I-1M module
- Internet LAN module
- Internet Wi-Fi module
- Room thermostat ST-292 v3
- Room thermostat ST-292 v2
- Room thermostat DEFRO SPK Lux
- Wireless SPK Lux thermostat
- RS wireless communication kit
Technical data
| Parameter | Unit | 14 kW | 20 kW | 25 kW | 30 kW | 35 kW |
|---|
| Fuel | – | Wood pellet Ø 6 mm |
| Identification number (ZUM list) | – | KB-201180 | KB-001181 | KB-801182 | KB-601183 | KB-401184 |
| Power range | kW | 4.1–14.7 | 5.7–20 | 7.4–25.1 | 8.9–30.3 | 10.1–35.8 |
| Energy efficiency class | – | A+ | A+ | A+ | A+ | A+ |
| Fuel tank capacity | kg | ~159 | ~159 | ~159 | ~196 | ~196 |
| Max. working pressure | bar | 1.5 |
| Required flue draft | Pa | 11 | 15 | 16 | 17 | 17 |
| Max. supply water temperature | °C | 65/80 |
| Efficiency at nominal power | % | 91.0 | 92.9 | 92.2 | 91.4 | 91.4 |
| Efficiency at minimum power | % | 91.4 | 92.7 | 92.9 | 91.9 | 91.7 |
| Boiler weight | kg | 329 | 329 | 395 | 435 | 478 |
| Hopper opening dimensions | mm | 700×350 | 700×350 | 700×350 | 800×400 | 800×400 |
| Boiler water capacity | l | 74 | 77 | 91 | 109 | 125 |
| Flow and return connection size | inch | G1 1½ |
| Flue outlet diameter | mm | 159 | 159 | 159 | 159 | 178 |
| Power supply | V/Hz | 230/50 |
Dimensions
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