This RPM sensor assembly (part number 41C4398A) is for garage door openers.
RPM sensor assembly 41C4398A checks the speed at which the motor shaft is spinning.
Unplug the garage door opener before installing this part. Wear work gloves to protect your hands.
Hardware and Tools
5.7" INHx 2" INHx 3.5"FOT
- Installations last year: 228
- Average installation time: 55 minutes
- Level of repair difficulty: