The Thermoflux Pelling Eco 25 is a modern pellet boiler with automatic combustion and a nominal output of 25 kW. It is ideal for single-family homes and renovation projects where an efficient and comfortable wood pellet heating system is required.
Thanks to integrated control, automatic pellet feed, and high efficiency, the boiler provides reliable and economical heat supply.
⭐ Highlights / Benefits
- ⭐ 25 kW pellet boiler for single-family homes and small multi-family homes
- ⭐ Efficiency of up to over 91% for efficient heating operation
- ⭐ Automatic pellet feed with large storage hopper
- ⭐ Boiler class 5 according to EN 303-5 for modern requirements
- ⭐ Modulating operation with multiple output levels
Application Area & Target Group
The Pelling Eco 25 is suitable for:
- Private customers in single-family homes
- Renovations of existing heating systems
- New buildings with biomass heating
- HVAC contractors for modern heating solutions
Everyday Benefits
The automatic pellet feed and ignition enable comfortable operation without constant refilling. The integrated control automatically adjusts the output to the heat demand and ensures stable temperatures.
The large pellet container allows long intervals between refills. Maintenance and cleaning are clearly structured and easy to perform.
Technology & Equipment
- Automatic ignition via heating cartridge
- Modulating operation with multiple power levels
- Control with flame temperature sensor
- Flue gas fan for controlled combustion
- Buffer tank control integrated
- Connection for room thermostat possible
Efficiency & Environment
The pellet boiler achieves efficiencies of up to 92 % in partial load operation and meets the requirements of the Boiler class 5 according to EN 303-5.
The use of wood pellets as a renewable fuel ensures an environmentally friendly heat supply.
Compatibility & System Integration
- Buffer tank (recommended for optimal operation)
- Radiator and underfloor heating systems
- Integration into existing heating systems
- Room thermostats and external controls
Technical Data
| Manufacturer |
Thermoflux |
| Model |
Pelling Eco 25 |
| Product type |
Pellet boiler |
| Rated output |
8 – 25 kW |
| Efficiency |
up to 92% |
| Pellet consumption |
1.6 – 5.2 kg/h |
| Pellet container (Standard / Max) |
75 / 135 kg |
| Fuel |
Wood pellets according to EN ISO 17225-2 |
| Weight |
267 kg |
| Water content |
60 liters |
| Voltage |
230 V |
| Frequency |
50 Hz |
| Power consumption |
max. 340 W |
| Fuse protection |
6 A |
| Max. operating pressure |
3 bar |
| Max. flow temperature |
80 °C |
| Return temperature min. |
50 °C |
| Flue gas temperature |
82 – 155 °C |
| Flue gas mass flow |
7.2 – 14 g/s |
| Boiler class |
5 (EN 303-5) |
| Dimensions (H/W/D) |
1245 / 410 / 948 mm |
| Width with silo |
710 – 910 mm |
| Flow/return connections |
1" |
| Flue pipe connection |
Ø 120 mm |
| Combustion air opening |
min. 30 x 10 cm |
All technical data according to manufacturer specifications and operating instructions.
Scope of delivery
- Thermoflux Pelling Eco Pellet Boiler
- Cleaning tool
- Operating manual
Accessories & system recommendation
For safe and efficient operation, suitable system components such as buffer tanks, return temperature boosters, and safety groups are recommended.
Suitable system components
Installation and Safety Instructions
Installation may only be carried out by a qualified specialist company. The applicable standards and requirements for chimney draft, hydraulics, and electrical connections must be observed.
FAQ
What is the efficiency of the boiler?
The efficiency is up to 92% in partial load operation.
Is a buffer tank necessary?
It is not strictly required, but it is recommended for optimal operation.
What pellet quality is required?
Pellets according to EN ISO 17225-2 with low moisture content are required.
Can the boiler modulate?
Yes, the boiler operates at multiple power levels and automatically adapts to demand.
How does ignition work?
Ignition is automatic via an integrated heating cartridge.
What electrical protection is required?
A 6 A protection is provided.