Two-way smoke plant with a large 1: 4 power modulation field and a suction fan with a horizontal shaft and variable speed guaranteeing a controlled combustion in the depression.
Anticondens and antigudron dry exchanger.
Automatic low-power ignition with heat-resistant steel alloy heater.
Insulation of the boiler body, consisting of a 80 mm thick rock blanket.
The GRA30RO model is supplied with the pellet hopper placed on the boiler body, with the horizontal shaft sleeve placed on the inside, which allows automatic loading of the pellets on the burner.
The boiler is supplied with a programmable electronic panel that allows you to manage, in addition to all the fuses, even the installation of a built-in inertial battery (puffer), a sanitary water boiler, and other energy sources (eg solar panels).
Average use time 12 years!
3-year warranty for the boiler body!