4 PIN CONTROLLER 

Replacement 24v electronic control module for Danfoss part numbers 102n3030, 3031, 3016, 3015 and all other control modules used with the Danfoss BD3, BD2.5 and BD2 compressors.

These control modules were used on Adler/Barbour, Grunert, Sea Frost, Technautics and many other systems and have proven to be far more reliable than the original equipment.