The LiftMaster EM20-120 is a replacement motor designed specifically for the LM2000 operator platform. Engineered for a 120 VAC power supply, this part restores the drive performance required for smooth, consistent operation of LM2000 units used in access control systems. Identified by LiftMaster part number EM20-120, it is intended to swap directly into the LM2000 housing and connect to the existing control circuitry, helping bring a non-operational or weakened operator back to service without altering the system layout.
Before ordering, confirm compatibility by matching your operator’s model tag with LM2000 and verifying the part number in the official LiftMaster parts diagram. Installation should be performed by a qualified technician; disconnect power and follow lockout/tagout procedures, then recheck limit and force settings per the LM2000 manual after replacement. This 120 VAC motor is suitable for LM2000 applications in residential or commercial environments where that operator is deployed, making it a practical OEM-style service part for repairs, replacements, or maintenance upgrades.


