The LiftMaster 41DB002-2 garage door opener logic board from Garage Door Supply Co. is a 315MHz replacement board with a purple learn button for residential belt drive operators made between 2005 and 2015. This LiftMaster/Chamberlain 41DB002-2 circuit board assembly includes the logic board and end panel. Compatible opener models include LiftMaster 3850 Series garage door openers.
- Garage door opener logic board with purple learn button
- For 2005-2015 LiftMaster, Chamberlain belt drive operators with purple learn buttons
- Compatible residential openers include LiftMaster 3850 Series operators