Check the listing for details. Liftmaster 02109U Key Switch U-Change-It Cylinder Two Position Control Station. Condition: New. Listed at 129.95 USD. Liftmaster 02109U Key Switch U-Change-It Cylinder Two Position Control Station Liftmaster 02109U Key Switch U-Change-It Cylinder Two Position Control StationDescriptionTwo Position Key Control StationIndoor Flush Mt. (NEMA 1)TamperproofTamperproof:Steel back box with architectural aluminum faceplate with U-CHANGE-IT BRAND cylinder allowing user to change keying of lock OPEN/CLOSE spring return to center (OFF), key removable in center position only. Should only be used on operators wired for constant pressure to open and close (all LiftMaster industrial operators with type D control wiring). WARNING: When used on most industrial operators, this control will not stop the door. Use another control that has a STOP button in conjunction with this control. Payments & Returns Policy