Kepo AC 25 - Pellet Boiler (25 kW)
Other variants
- Powerful 25 kW output for large buildings and installations
- Automatic cleaning of burner and heat exchanger
- High efficiency with low pellet consumption
- Compatible with large buffer tanks and hybrid setups
- Quiet and low-maintenance design
- Optional BigTank with up to 225 kg storage capacity
- Robust and durable construction
Designed for high heating demand
The Kepo AC 25 pellet boiler is built for projects that require a constant and significant heat supply. With a thermal output of 25 kW, this model is ideal for large detached homes, commercial buildings, farms, and utility projects. Combining sustainable wood pellets with a durable construction, the AC 25 delivers long-lasting performance even under heavy use.
Technical reliability
The AC 25 is equipped with high-quality components and an automatic cleaning system for both the burner and the heat exchanger. This ensures consistent top performance with minimal maintenance, even during high load conditions and extended heating seasons.
Energy efficiency and combustion technology
The advanced control system automatically adjusts combustion parameters to match the current heat demand. This results in high efficiency, lower pellet consumption, and clean combustion that meets the strictest emission standards.
Flexible system integration
This model can be easily combined with large buffer tanks for pellet installations, suitable for both low- and high-temperature systems. The AC 25 can also be integrated into hybrid heating systems. With the optional BigTank, pellet storage capacity increases to 225 kg for longer, uninterrupted operation.
Ease of use and maintenance
The user-friendly 4.3” touchscreen makes it easy to adjust settings. The weekly program allows the boiler to automatically switch between operating modes, while its quiet operation makes installation in an outbuilding or technical room possible without causing disturbance.
Support from Hewa
Hewa provides complete support for both installers and end users – from technical documentation to on-site advice and fast delivery. Also visit our page on pellet boilers and sustainable heating solutions for more information. Contact us today for personal advice or a non-binding quote.
| Generals | |
|---|---|
| Item number | 020103 |
| EAN Code | 8721082877138 |
| Price excl. VAT | € 3.903,90 |
| Price incl. VAT | € 3.779,00 |
| Sizes ((LxWxH):) | 83 x 67 x 143 cm |
| Specification list | |
| Weight (kg) | 280 kg |
| Dimension (W×D×H) mm | 670x830x1430 mm |
| Flue pipe diameter (Ø) | 100 mm |
| Pellet tank capacity (kg) | 75 kg |
| Power consumption at start on pellet (W) | 503 W |
| Power consumption in operation (W) | 114 W |
| Nominal voltage (VAC) | 220 - 240 VAC |
| Nominal frequency (Hz) | 50 Hz |
| Water pipe connection size | G 1" M |
| Safety valve pipe connection | G 1/2" F |
| Pump flow rate (L/h) | 1300 L/h |
| Boiler water volume (L) | 72 L |
| Boiler power (kW) | min 6.00 – max 23.70 kW |
| Pellet consumption (kg/h) | min 1.41 – max 5.47 kg/h |
| Water temperature (°C) | min 60 – max 80 °C |
| Min. boiler water pressure (bar) | 0.6 bar |
| Max. boiler water pressure (bar) | 2.5 bar |
| Preferred pellet class | C1 - A1 |
| Boiler class | 5 |
| Energy efficiency | A+ |
| Suitable surface area (m²) | 130 - 220 m² |
| Fuel | Wood pellets |
| Subject | Action |
|---|---|
| How to clean a Kepo pellet boiler faq | View |
| How to replace the igniter of a Kepo pellet boiler faq | View |
| ER01 - Safety thermostat HV1 intervention Error code | View |
| ER02 - Safety pressure switch HV2 intervention Error code | View |
| ER03 - Shutdown due to decrease in flue gas temperature Error code | View |
| ER04 - Shutdown due to water overtemperature Error code | View |
| ER05 - Shutdown due to flue gas overtemperature Error code | View |
| ER07 - No encoder signal from combustion fan Error code | View |
| ER08 - Combustion fan speed regulation failed Error code | View |
| ER09 - Low water pressure Error code | View |
| ER10 - High water pressure Error code | View |
| ER11 - Incorrect time/date values after long absence of mains power Error code | View |
| ER12 - Ignition failed Error code | View |
| ER15 - Power supply fault Error code | View |
| ER16 - RS485 communication error Error code | View |
| ER17 - Air flow regulation failed Error code | View |
| ER18 - Lack of fuel Error code | View |
| ER23 - Boiler probe, boiler return probe, buffer tank probe, or low buffer tank probe open Error code | View |
| ER25 - Cleaning motor fault Error code | View |
| ER26 - Cleaning motor 2 fault Error code | View |
| ER27 - Cleaning motor 3 fault Error code | View |
| ER39 - Flowmeter sensor fault Error code | View |
| ER41 - Minimum air flow in Check Up not reached Error code | View |
| ER42 - Maximum air flow exceeded (FL40) Error code | View |
| ER44 - Door error Error code | View |
| ER47 - No encoder signal from auger Error code | View |
| ER48 - Auger speed regulation failed Error code | View |
| ER56 - Modified hydraulic plant Error code | View |
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