RECEIVER LOGIC BOARD, 2.0
045ACTMC is a replacement Security+ 2.0 Receiver Logic Board. For use with various LiftMaster® and Chamberlain® AC Chain Drive and Belt Drive Garage Door Openers; manufactured after 2011 only. The unit will feature a yellow learn button. Check the owner's manual or replacement parts diagram for specific part information before ordering to ensure compatibility.
Also known as: 45ACT, 041D7675, 1D7675, 041D7656, 001D7675, 41D7675, 41D7656, 045ACT