Liftmaster Circuit board for non
Security+ systems without infrared
photocells sensors  
LiftMaster 41A4201-7C Garage Door Opener Circuit Board Replacement Logic/Circuit board (receiver board) for Non Security+ operators with NO Infrared sensors
Works with systems that use remotes with the RED or GREEN LED light
Works with dip switch coding systems and "Smart" green button coding (billion code NOT Security+)
For Liftmaster garage door opener operator models 1040LM, 1055LM, 1140LM, 1145LM, 1146LM, 1155LM, 1156LM, 100WD, 200WD, 110WD and 21WD
For Chamberlain garage door opener operator models 140, 240, 450, 1000, 2000, 700WHC and 702WHC
Replaces logic board (receiver board) models 41D2951, 41A3039, 41A3519-1, 41A3623, 41A3627, 41A4201-1, 41A4201-5, 41A4201-7, 41A4201-7A, 41A4201-7B and 41A4201-7C
Also compatible with similar systems from Chamberlain, Craftsman, Master Mechanic, Sears, Crawford and Wayne Dalton
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