This manufacturer-approved sprocket coupling (part number 25C20) is for garage door openers.
Sprocket coupling 25C20 connects the drive motor to the screw drive to push and pull the trolley back and forth.
Unplug the garage door opener before replacing the rpm sensor. Wear work gloves to protect your hands.
Hardware and Tools
- Installations last year: 52
- Average installation time: 54 minutes
- Level of repair difficulty: