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Pellet Boiler

Classic Lambda
40–60 kW

Proven and durable
Energy label: A++
Hot anniversary campaign - save now!

  • Best price-performance ratio
  • Fully automatic operation
  • High-temperature operation
  • Proven quality

High-temperature pellet boiler

For the medium power range

Our proven Classic Lambda 40–60 kW pellet boiler is offered as an ideal solution in the medium output range.
Highest efficiencies enable cost-effective and energy-saving heating.

40 Years anniversary campaign: Order now and benefit from hot savings!
  • 3-pass heat exchanger
  • Highest efficiency
  • Energy-saving ignition with 300 W
  • Automatic boiler cleaning device and ignition
  • Automatic sliding grate with ash compression system and level indicator
  • Fully fireclayed combustion chamber for high combustion temperatures
  • Lambda sensor with fuel quality detection
  • Absolute operational safety with double rotary valve
  • Fully automatic ash discharge for fly & grate ash
  • Automatic ash level indication on display
  • Suction system with intermediate hopper
  • Level indicator for pellet storage container
  • Mobile remote control - Smart Home app
  • Lambda-Touch-Tronic as standard
  • 5-year warranty acc. warranty card
  • Energy efficiency class A+
  • Particle separator (optional)

Our boilers in detail

Specifics
of Classic Lambda 40–60 kW

RELIABLE TECHNOLOGY IN 3D VISUALISATION!

Here you can discover the ideal high-temperature boiler for the medium output range from all sides and in 3D. Turn, tilt or incline the Classic Lambda 40–60 kW as you please.

Experience this proven heating technology in your own future boiler room – right now on the screen. Thanks to Augmented Reality, you can place this biomass boiler in your future boiler room in no time at all. Simply click the AR button and place the boiler with your fingers on your smartphone or tablet. You will already have an impression of how the Classic Lambda 40–60 kW will look in your room.

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

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. Fly ash separator
  6. Ash extraction in ash box
  7. Automatic ignition with 300 W
  8. Stoker auger
  9. Heat exchanger
  10. Turbulators with autom. boiler cleaning system
  11. Exhaust fan
  12. Pellet vacuum turbine
  13. Pellet day hopper
  14. Fill level indicator
  15. Metering double rotary valve
  16. Lambda sensor
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
"
    Classic 40
    Nominal capacity (NC) 42 kW
    Fuel heat output 44,3 kW
    Minimum capacity 12 kW
    Electric capacity - kW
    NCV efficiency at nominal output (nn) in % 94,9 %
    NCV efficiency at 30 % nominal output (np) 94,6 %
    GCV efficiency at nominal output 86,1 %
    GCV efficiency at 30 % nominal output 89,4 %
    Seasonal energy efficiency ETAs 85 %
    Boiler temperature range 69 - 85 °C
    Measures (w x h x d) 1210 x 1480 x 920 mm
    Weight 480 kg
    Filling volume - l
    Space requirement 1,19
    Flue pipe diameter 150 mm
    Ash box volume 30 l
    Water content 124 l
    Flow/Return 5/4 "
    Boiler label A++
    Classic 49
    Nominal capacity (NC) 49 kW
    Fuel heat output 51,9 kW
    Minimum capacity 14,7 kW
    Electric capacity - kW
    NCV efficiency at nominal output (nn) in % 94,5 %
    NCV efficiency at 30 % nominal output (np) 96,4 %
    GCV efficiency at nominal output 84,7 %
    GCV efficiency at 30 % nominal output 89,4 %
    Seasonal energy efficiency ETAs 85 %
    Boiler temperature range 69 - 85 °C
    Measures (w x h x d) 1210 x 1480 x 920 mm
    Weight 480 kg
    Filling volume - l
    Space requirement 1,19
    Flue pipe diameter 150 mm
    Ash box volume