Das Set besteht aus:

for 20 to 32kW

These bearings are factory installed

Motherboard Siemens Simatic SPS (boiler control/firing control unit)

The spoiler is not installed on pure air devices (air+)

Isoliersteine-Set für Seiten und Boden -Serie 16 bis 22- Befestigungsring Das Set besteht aus:Set of insulating bricks for the sides and floor of the combustion chamber. The insulating bricks are made of vermiculite, which is known for its high insulating properties. The vermiculite maintains a high fire temperature which ensures a cleaner burn. The bricks naturally wear down and must be replaced if cracks larger than 5mm in diameter occur or if they are worn to half their thickness. You can find the appropriate smoke baffle deflection plate