Pellet Boiler

Eco-PK
250–330 kW

850,000–1,125,000 BTU/h
Top heating solutions from Austria

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Fully automated
Step grade system
Cost-reducing eco mode
Firebed level control with lambda sensor
Up to 2 MW possible in cascade connection

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High-temperature pellet boiler

Heating system for large-scale applications

The Eco-PK 250–330 kW pellet boiler is the most powerful model in the Eco-PK series. This high-temperature boiler is designed for large-scale applications, including multi-family homes, the hospitality industry, public buildings, and commercial or industrial operations. Its advanced and proven technology enables energy-saving, cost-effective, and fully automated heating.

Benefits: Eco-PK 250–330 kW

Pellet heating technology in detail

Energy saving & cost reducing
Highest efficiency
Heat exchanger cleaning in both 1st & 2nd pass
Unique step grate system
Fully refractory-lined combustion chamber
Lambda sensor with fuel quality detection
Energy-saving ignition: 2 x 300 W
Double rotary valve for 100% burn-back safety
Flue gas recirculation as standard
Contactless ember bed monitoring via sensors
Flame & grate temperature monitoring
Double insertion screw
Constant capacity - no post-combustion before de-ash
Exhaust fan (EC motor) with vacuum monitoring
Integrated safety heat exchanger for thermal safety circuit
Left-hand boiler version (return lift on the right)
Smart home app for mobile remote control
Modern touch display control
5-year warranty acc. warranty card
Return lift integration (optional)
Automatic ash discharge (optional)
Particle filter (optional)

Our boilers in detail

Specifics
of Eco-PK 250–330 kW

Admire the power package in powerful 3D visualisation!

Discover the most powerful high-temperature pellet boiler from all sides and in 3D. Turn, tilt or incline the Eco-PK 250–330 kW in all directions.

Experience this large boiler in your own future boiler room – right now on the screen. With augmented reality, you can place this bundle of energy in your future room. Simply click the AR button and place, rotate and scale it with your fingers. You will then have an exact impression of the integration of the powerful Eco-PK 250–330 kW into your room.

All technical details and important components can be found in the following sectional image.

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Step grate system
Firebed level control
Turbulators with automatic boiler cleaning device (also in 1st pass)
Ash box (75 l)
Automatic ignition with 2 x 300 W
Exhaust fan (EC motor) with negative pressure monitoring
Recirculation
Integrated back-end protection, optional
Ash extraction system gor fly and grate ash
Heat exchanger
Negative pressure monitoring
Fully refractory-lined combustion chamber
Flame concentration plate made of high-quality refractory
Pellet day hopper
Fill level indicator
Stoker auger
Quadruple metering double rotary valve
Pellet vacuum turbine
Acoustic insulation
Lambda sensor
Flame temperature monitoring
Cooling coil for therm. safety circuit

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Technical
details

Nominal capacity (NC)

Fuel heat output

Minimum capacity

Electric capacity

Heating value Efficiency/NC

Heating value Efficiency/30% NC

Fuel efficiency in NC

Fuel efficiency in 30% NC

Seasonal energy effiency ETAs

Boiler temperature range

Measures (w x h x d)

Weight

Filling volume

Space requirement

Flue pipe diameter

Ash box volume

Water content

Flow/Return

Energy label

Unit

kW

%

°C

mm

kg

l

m²

mm

l

"

Eco-PK 250

Nominal capacity (NC) 249 kW

Fuel heat output 263,2 kW

Minimum capacity 74,7 kW

Electric capacity - kW

NCV efficiency at nominal output (nn) in % 94,6 %

NCV efficiency at 30 % nominal output (np) 97,3 %

Fuel efficiency in NC 87 %

Fuel efficiency in 30% NC 89,4 %

Seasonal energy effiency ETAs 86* / 86* %

Boiler temperature range 75 - 78 °C

Measures (w x h x d) 1155 x 2015 x 2285 mm

Weight 2350 kg

Filling volume - l

Space requirement 2,62 m²

Flue pipe diameter 250 mm

Ash box volume 75 l

Water content 570 l

Flow/Return 2,5 "

Energy label -

Eco-PK 300

Nominal capacity (NC) 299 kW

Fuel heat output 316,7 kW

Minimum capacity 89,7 kW

Electric capacity - kW

NCV efficiency at nominal output (nn) in % 94,4 %

NCV efficiency at 30 % nominal output (np) 97 %

Fuel efficiency in NC 87 %

Fuel efficiency in 30% NC 89,,3 %

Seasonal energy effiency ETAs 86* / 86* %

Boiler temperature range 75 - 78 °C

Measures (w x h x d) 1155 x 2015 x 2285 mm

Weight 2350 kg

Filling volume - l

Space requirement 2,62 m²

Flue pipe diameter 250 mm

Ash box volume 75 l

Water content 570 l

Flow/Return 2,5 "

Energy label -

Eco-PK 330

Nominal capacity (NC) 330 kW

Fuel heat output 349,9 kW

Minimum capacity 99 kW

Electric capacity - kW

NCV efficiency at nominal output (nn) in % 94,3 %

NCV efficiency at 30 % nominal output (np) 96,8 %

Fuel efficiency in NC 87 %

Fuel efficiency in 30% NC 89,3 %

Seasonal energy effiency ETAs 86* / 86* %

Boiler temperature range 75 - 78 °C

Measures (w x h x d) 1155 x 2015 x 2285 mm

Weight 2350 kg

Filling volume - l

Space requirement 2,62 m²

Flue pipe diameter 250 mm

Ash box volume 75 l

Water content 570 l

Flow/Return 2,5 "

Energy label -

NCV = Net Calorific Value | GCV = Gross Calorific Value
max. operation temperature 95 °C | max. operating pressure 3 bar | electrical connection 400 V AC, 50 Hz, 13 A fuse protection
*without eCleaner / with eCleaner

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