Product information:

Suitable for heaters with the following AUTOTERM Air 2D 24V heaters with  serial numbers:

• 5546xxxxxxx

This 24V control unit is compatible with AUTOTERM Air 2D heaters equipped with the following air pumps (assy numbers): 

• 5549

Heater equipped with this control unit can work at altitude up to 2500 meters above sea level (MASL).