Liftmaster Chamberlain 41A4252-6 Receiver Logic Board Garage Door Green Button.

Liftmaster /Chamberlain Circuit Board Green Learn Button 41A4252-7 BOARD ONLY.

1995 Sears Craftsman Garage Door Opener GREEN Learn Button Logic Board GUC

LiftMaster Chamberlain Logic Board GREEN Learn Button 41A4252-6B Works

Liftmasfer Craftsman Logic Board 41a5021-1d orange Learn Button

Sears Craftsman 41A5389 Receiver Logic Circuit Board Red/Orange Learn Button.

Liftmaster Chamberlain Circuit Board Green Learn Button 41A4252-7 - BOARD ONLY!

Liftmaster Chamberlain 41A4252-6 Logic Board Garage Door Green Learn BOARD ONLY!