High altitude control unit

Suitable for heaters with the following AUTOTERM Air 2D 12V heaters with  serial numbers:

6266xxxxxxx

This 12V control unit is compatible with AUTOTERM Air 2D heaters equipped with the following air pumps (assy numbers):

5564

Latest firmware – heater equipped with this control unit can work at altitude up to 4200 meters above sea level (MASL).