mfr: LiftMaster Replacement Logic/Circuit board for standard Liftmaster operators (non code rolling). Not for Security+ systems. For Liftmaster operator models 1250LM, 1260LM, 1270LM, 1280LM, 220WD, 320WD. For Chamberlain garage door operator models 5100 and 8100. Direct replacement for logic boards models 41A4252, 41A4252-4, 41A4252-6, 41A4252-6A, 41A4252-6B, 41A4252-6C, 41A4252-6D. Also compatible with non Security+ systems from Chamberlain, Craftsman,Master Mechanic, Sears, Tru-Value and Wayne Dalton. SECURITY ALL OTHERS LiftMaster> |