Steuerungseinheit SB5744

This High altitude control unit is suitable for air heaters AUTOTERM Air 4D with a specific serial number.

Suitable for heaters with the following serial numbers:

• 4191xxxxxxx
• 4766xxxxxxx

This 12V control unit is compatible with AUTOTERM Air 4D heaters equipped with the following air pumps (assy numbers): 

• 1911