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Pellet Boiler

Smart-PK
17–32 kW

Compact size & functionality!
Energy label: A+
Hot anniversary campaign - save now!

  • Compact design
  • Pellets day hopper 174 kg
  • Easy filling with bags of pellets
  • Possible to place onto 3 walls
  • Best price-performance ratio

Low-temperature pellet boiler

Convincing technology for the small power range

The new Smart-PK impresses with its modern design, its compact size, its functionality. The manual filling enables a sensational price-performance ratio and individual control over the fuel filling.
The storage tank allows a continuous burning time of up to ten days.

The Smart-PK 17–32 pellet boiler is also available as a wood log pellet combi boiler.

40 Years anniversary campaign: Order now and benefit from hot savings!
  • Small, compact design
  • Installation up against 3 walls
  • Low-temperature tube heat exchanger
  • Lambda control with automatic calorific value detection
  • Highest efficiency and lowest emissions
  • Full refractory-lined combustion chamber
  • Speed controlled "energy-saving" exhaust fan
  • Automatic sliding grate and ash drawer with compacting system
  • Automatic energy-saving ignition with just 300 W
  • Manual boiler cleaning lever for cleaning the heat exchanger tubes
  • Smoke outlet at the top, left side and back
  • Pellet day hopper with cover, top grid and integrated fill level indicator (268 lt / 174 kg)
  • Easy filling from bags of pellets
  • Metering cell wheel for 100% burn-back protection
  • Integrated hydraulic module available (option)
  • Easy to use touch display
  • Latest combustion controller for highest efficiency and lowest emissions
  • Return & accumulator control
  • 5 year warranty acc. warranty card
  • Energy efficiency class A+
  • Particle separator (optional)
  • Integrated hydraulic module (optional)

Our boilers in detail

Specifics
of Smart-PK 17–32 kW

Really SMART: our 3D visualisation!

Discover the compact pellet boiler with the sensational price-performance ratio from its best sides and in 3D here. Experience the Smart-PK 17–32 kW visually from all perspectives.

In addition, discover this cost-effective heating technology in your own future boiler room – right now on the screen. Augmented Reality makes it possible to place the biomass heating system in your future room. Simply click on the AR button and place, rotate and scale with your fingers.

Simply use your smartphone or tablet to place the boiler where you would like to see it later. You already have a foretaste of how the Smart-PK 17–32 kW can be perfectly integrated into your room.

You can find all the technical details and important components in the sectional view below.

Open 3D model in a new window
  1. Fully refractory-lined combustion chamber
  2. Sliding grate
  3. Secondary air stream with inlet openings
  4. Primary air
  5. Ash pan
  6. Automatic ignition with 300 W
  7. Stoker auger
  8. Heat exchanger
  9. Turbulators with manual heat boiler cleaning system
  10. Exhaust fan
  11. Pellet day hopper
  12. Metering rotary valve
  13. Lambda sensor
  14. Air connection AIO / ADO
  15. Fill level indicator
View 3D model View cross section

Technical
details

Nominal capacity (NC)
Fuel heat output
Minimum capacity
Electric capacity
NCV efficiency at nominal output
NCV efficiency at 30 % nominal output
GCV efficiency at nominal output
GCV at 30 % nominal output
Seasonal energy efficiency 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
kW
kW
kW
%
%
%
%
%
°C
mm
kg
l
mm
l
l
"
    Smart-PK 17
    Nominal capacity (NC) 17 kW
    Fuel heat output 17,9 kW
    Minimum capacity 5,1 kW
    Electric capacity - kW
    NCV efficiency at nominal output (nn) in % 95,1 %
    NCV efficiency at 30 % nominal output (np) 92,4 %
    GCV efficiency at nominal output 87,7 %
    GCV efficiency at 30 % nominal output 84,9 %
    Seasonal energy efficiency ETAs 81 %
    Boiler temperature range 69-78 °C
    Measures (w x h x d) 1080 x 1520 x 650 mm
    Weight 290 kg
    Filling volume - l
    Space requirement 0,70
    Flue pipe diameter 130 mm
    Ash box volume 19 l
    Water content 42 l
    Flow/Return 5/4 "
    Boiler label A+
    Smart-PK 20
    Nominal capacity (NC) 21,7 kW
    Fuel heat output 22,8 kW
    Minimum capacity 6,5 kW
    Electric capacity - kW
    NCV efficiency at nominal output (nn) in % 95 %
    NCV efficiency at 30 % nominal output (np) 96,4 %
    GCV efficiency at nominal output 87,9 %
    GCV efficiency at 30 % nominal output 88,2 %
    Seasonal energy efficiency ETAs 84 %
    Boiler temperature range 69-78 °C
    Measures (w x h x d) 1080 x 1520 x 650 mm
    Weight 290 kg
    Filling volume - l
    Space requirement 0,70
    Flue pipe diameter 130 mm
    Ash box volume 19 l
    Water content 42 l
    Flow/Return 5/4 "
    Boiler label A+
    Smart-PK 25
    Nominal capacity (NC) 25 kW
    Fuel heat output 26,3 kW
    Minimum capacity 7,5 kW
    Electric capacity - kW
    NCV efficiency at nominal output (nn) in % 95,1 %
    NCV efficiency at 30 % nominal output (np) 96,2 %
    GCV efficiency at nominal output 87,9 %
    GCV efficiency at 30 % nominal output 88,2 %
    Seasonal energy efficiency ETAs 84 %
    Boiler temperature range 69-78 °C
    Measures (w x h x d) 1080 x 1520 x 650 mm
    Weight 290 kg
    Filling volume - l
    Space requirement 0,70
    Flue pipe diameter 130 mm
    Ash box volume 19 l
    Water content 42 l
    Flow/Return 5/4 "
    Boiler label A+
    Smart-PK 32
    Nominal capacity (NC) 32 kW
    Fuel heat output 33,6 kW
    Minimum capacity 9,6 kW
    Electric capacity - kW
    NCV efficiency at nominal output (nn) in % 95,3 %
    NCV efficiency at 30 % nominal output (np) 95,8 %
    GCV efficiency at nominal output 88,2 %
    GCV efficiency at 30 % nominal output 88,7 %
    Seasonal energy efficiency ETAs 85 %
    Boiler temperature range 69-78 °C
    Measures (w x h x d) 1080 x 1520 x 650 mm
    Weight 290 kg
    Filling volume - l
    Space requirement 0,70
    Flue pipe diameter 130 mm
    Ash box volume 19 l
    Water content 42 l
    Flow/Return 5/4 "
    Boiler label A+

    NCV = Net Calorific Value | GCV = Gross Calorific Value
    max. operation temperature 85 °C | max. operating pressure 3 bar | electrical connection 230 V AC, 50 Hz, 13 A fuse protection