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LiftMaster's 41B873 Safety Sensor Sun-blocker kit from Action Industries shields compatible photo-eyes from sunlight to prevent malfunction. This replacement kit prevents accidental reversal of garage doors from sunlight shining directly into the safety reversing sensors. The 41B873 is also known as SKU 041B0873. Check the manual for your specific model number before ordering to ensure compatibility.
LiftMaster 41B873 Safety Sensor Sun-Blocker Kit
Protects safety eyes from sunlight
Prevents accidental reversal of doors when sunlight shines directly into receivers
Also known as: 041B0873