Pellet boiler ThermoFlux Pelling ECO 25 kW with 135 kg silo

2025-04-16T12:24:45+02:00

Vendor: Thermoflux
Type: Pellet boiler
Price: 3549.00

The ThermoFlux Pelling ECO 25 is a modern pellet boiler with automatic combustion and integrated controls for efficient central heating systems. With an output of up to 25 kW, it is ideally suited for single-family homes and smaller apartment buildings.

Thanks to the large pellet hopper with a capacity of up to 135 kg and the high efficiency, the boiler offers a comfortable and economical heat supply.

⭐ Highlights/Advantages

⭐ 25 kW pellet boiler for single-family homes and smaller buildings

⭐ Efficiency up to over 91% for efficient operation

⭐ Pellet hopper up to 135 kg for long refill intervals

⭐ Automatic control with flame temperature sensor

⭐ Boiler class 5 according to EN 303-5 for low emissions

Area of ​​application & Target audience

The ThermoFlux Pelling ECO 25 is designed for use in:

Private households (single-family homes)

smaller apartment buildings

Renovation and new construction projects

SHK specialist companies as a reliable biomass heating solution

Everyday benefits

Automatic pellet feeding and ignition ensure ease of use. Thanks to intelligent control, the output continuously adjusts to the heat demand. The large hopper reduces maintenance and refilling intervals.

Cleaning is easy thanks to the accessible combustion chamber and heat exchanger. Regular maintenance ensures long-lasting and safe operation.

Technology & equipment

The pellet boiler features automatic ignition and controlled combustion via a flame temperature sensor. The control system dynamically adjusts the pellet feed and fan speed.

integrated electronic control

automatic power adjustment (10 levels)

Flame temperature monitoring

Buffer sensor connection possible

Room thermostat connectable

The system operates using wood pellets in accordance with EN ISO 17225-2. :contentReference[oaicite:0]{index=0}

Efficiency & Environment

The Pelling ECO 25 achieves an efficiency of up to 92% in partial load operation and over 91% at rated output.{index=1}

With boiler class 5 according to EN 303-5, it meets high requirements for emissions and energy efficiency. :contentReference[oaicite:2]{index=2}

compatibility & System integration

The pellet boiler can be integrated into conventional heating systems:

Buffer storage tank (recommended)

radiator systems

Underfloor heating

Systems with room thermostat

The manufacturer recommends using a buffer storage tank, but it is not absolutely necessary.

Technical data

Manufacturer | ThermoFLUX
Model | Pelling ECO 25
Product type | Pellet boiler
Rated power | 8 – 25 kW
efficiency | up to 92%
Pellet consumption | 1.6 – 5.2 kg/h
Pellet container | 75/135 kg
Weight | 267 kg
Water content | 60 liters
Max. operating pressure | 3 bar
Max. temperature | 80 °C
Tension | 230 V
frequency | 50 Hz
Power consumption | max.340 W
boiler class | Grade 5
Exhaust gas temperature | 82.5 – 155 °C
Exhaust connection | Ø 120 mm
Connection flow/return | 1 inch
Dimensions (H x W x D) | 1245 x 410 x 948 mm

Scope of delivery

Pellet boiler ThermoFlux Pelling ECO 25

Cleaning tool

User manual

Accesories & System recommendation

For optimal and safe operation, we recommend the following components:

Suitable system components

Buffer storage

Return flow increase/Laddomat

Heating safety group

Heating circuit sets

Assembly and safety instructions

Installation must be carried out exclusively by qualified personnel. All national regulations and requirements for the exhaust system and hydraulic system must be observed.

A suitable chimney with sufficient draft (approx. 5–12 Pa) is required. :contentReference[oaicite:3]{index=3}

FAQ

For which buildings is the 25 kW pellet boiler suitable?

The boiler is suitable for single-family homes and smaller multi-family homes with corresponding heat requirements.

How high is the pellet consumption?

Depending on the power level, consumption ranges between approximately 1.6 and 5.2 kg per hour.

Is a buffer storage tank necessary?

A buffer storage tank is recommended, but not absolutely necessary for operation.

Which pellets may be used?

Only wood pellets conforming to EN ISO 17225-2 may be used.

How is the regulation carried out?

The control is automatic via an electronic control system with a flame temperature sensor.

How often does the boiler need to be cleaned?

Cleaning depends on the pellet quality, but is carried out at regular intervals (several times a month).