CABLE TENSION MONITOR KIT
041A6104 is a Cable Tension Monitor Replacement Kit. For use with various LiftMaster® and Chamberlain® RJO Series Wall-Mounted Garage Door Openers; manufactured after 2015 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: 41A6104