LiftMaster 41A5021-I Logic Board /Circuit board (receiver board) for Security+ openers
Compatible with Liftmaster Chamberlain standard chain drive operators with two light bulbs (one on each end)
Replace your malfunctioning or nonworking LiftMaster garage door opener logic board with a 390MHz LiftMaster 41a5021-I circuit board assembly. The 41A5021-I LiftMaster replacement logic board is easy to install, and includes an orange learn button with light socket. This receiver assembly replaces circuit boards for LiftMaster 985, 124OR, 1245R, 1246R and 1255R LiftMaster garage door openers. It's also compatible with LiftMaster garage door opener models 1256R, CG40, 4200, 2200, 1200, PD100 and PD200 models. Product Highlights:
41A502141A5021-B41A5021-C41A5021-D41A5021-E41A5021-F41A5021-G41A5021-I
NOT THE SAME AS 41A5021-1I, 41A5021-5I or 41A5021-1M-315
LiftMaster Models
Chamberlain Models