LiftMaster APT
Apartment Trolley (APT) style commercial door operators are optimal for high-cycle apartment house applications. APT-style operators employ an auto-reconnect trolley with nylon inserts and a resilient-mount motor for quiet operation.
Apartment Trolley (APT) style commercial door operators are optimal for high-cycle apartment house applications. APT-style operators employ an auto-reconnect trolley with nylon inserts and a resilient-mount motor for quiet operation.