SmartFire 21/41

Power: 21 kW, 41 kW

SmartFire 21/41 - Automatic pellet boiler with automatic burner cleaning and ignition, efficiency 92,9/90,0%.

Compact construction.
Small size makes that the boiler will fitin most boiler rooms.

Automatic ignition, burner cleaning and cleaning of heat exchanger.
User comfort, perfect burning, hight efficiency and considerable savings are guaranteed by automation of handling.

Lambda Probe.
Intelligent logarithm adjusts the boiler to the current parameters of the environment.
It constantly maintains the highest possible efficiency of the boiler.
It ensures the best emission performance.
It improves the exchanger clarity.

Weather regulation.
Advanced regulator controls the operation of the boiler and the entire heating room system including pumps, valves, actuators, buffers and the boiler. This way all the devices are integrated in a coherent system where optimal operation conditions are set and adjusted on line.

Display panel.
Intuitive, clear and simple to operate by anyone. The control panel enables an easy and fast regulation of temperature, changes of options and customization according to individual needs and requirements.

Rotary valve.
Protects the fuel in the pellet tank against fire.

Vacum (in option).
Pneumatic pellet transport system fills the fuel tank itself with pellets from a fuel storage.

Hydraulic equipment (in option).
Boiler is equiped with hydraulic kit so installation is quick and does not take place in the boiler room.

Power modulation.
Output is adjusted on line by the controller monitoring the temperatures of the furnace and the outgoing and returning water. Given the changing conditions this solution optimises fuel consumption.

Advanced control system, top class ceramic burner and effective heat exchange warrant low emissions of co and other environmentally  hazardous  substances InterFire boiler protects the environment.

Technical Data

Model SF21 / 150LSF21 / 240LSF21 / 470LSF41 / 150LSF41 / 240LSF41 / 470L
Rated Power: kW 21 21 21 41 41 41
Range of thermal power: kW 6 ÷ 21 6 ÷ 21 6 ÷ 21 12 ÷ 41 12 ÷ 41 12 ÷ 41
Granulat pellet Q=18 MJ/kg
% 92,1 92,1 92,1 90 90 90


Model SF21 / 150LSF21 / 240LSF21 / 470LSF41 / 150LSF41 / 240LSF41 / 470L
Height: mm 1480 1480 1480 1480 1480 1480
Width: mm 960 1140 1420 1090 1270 1550
Depth: mm 685 685 835 800 800 835