LiftMaster 041AC050-1M Receiver Logic Board (AC Chain) Security Warning Outdoor Patented Alumaglas™ for superior performance

Patented Alumaglas™ for superior performance (electric option)

Long-life lithium battery

OPEN REQUEST input terminals are supplied for hardwired activation of the access devices with an external pushbutton or key switch

It is recommended to install padding on the base of any wood arm

LiftMaster 041AC050-1M Receiver Logic Board (AC Chain) Security Warning Outdoor Patented Alumaglas™ for superior performanceLiftMaster 041AC050 1M Receiver Logic Board (AC Chain) This is a replacement 315MHz Security+ Receiver Logic Board. For use with various 1 2HP LiftMaster and Chamberlain AC Chain Drive Garage Door Openers; manufactured after 2005. The unit will feature a purple learn button. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part. Also known as LiftMaster