LiftMaster 41DB001-1C Receiver Logic Board Circuit Garage Door Opener
Replaces parts - 41DB001, 41DB001-1 and 41DB001-6. LiftMaster Receiver Logic Board Assembly 41DB001-1C. Compatible with LiftMaster and Chamberlain models WD952, WD952KLD, HD800D, 3500, and DC Belt drive.