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This drive gear and worm kit is compatible with most 1/2HP belt and chain drive garage door openers manufactured after 1993
Designed to provide advanced safety and security to the door system in commercial environments
S Circuit board is a factory replacement for models ReliaG 850
The limit wire is moulded into the limit
LiftMaster K71-B1PH Brake Solenoid 120/240V This drive gear and wormThis is a replacement Internal Brake Solenoid (120 240V, 1PH). For use with various LiftMaster Commercial Door Operators. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part.
