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- Replacement Logic/Circuit board for standard Liftmaster operators (non code rolling). Not for Security+ systems.
- For Chamberlain garage door opener operator models 4100, 2100, 1100, 710WHC and 711WHC.
- For Liftmaster garage door opener operator models 1240LM, 1245LM, 1246LM, 1255LM, 1256LM, 215WD and 315WD.
- Replaces logic board (receiver board) models 41A4252-1, 41A4252-5, 41A4252-7, 41A4252-7A, 41A4252-7B, 41A4252-7C.
- Also compatible with non Security+ systems from Chamberlain, Craftsman, Master Mechanic, Sears, Tru-Value and Wayne Dalton.
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