Features of the Astra G series boilers:

Blowing fan mounted on the rear side of the boiler.

Electronic controller:

• changes rotational speed of the fan,
• has 2 input channels- water and smoke temperature,
• has 3 output channels- the fan, a circulation pump and a free one.

Thermostatic control: rotational speed of the fan is constant.

Boiler chambers are made from 6 mm thick special boiler steel.

Fuel: wood logs and wood briquettes.

Heat output of the boilers: 18, 25, 32, 40, 50, 80 and 110 kW.