Chamberlain liftmaster craftsman garage door opener replacement safety sensors g801cb p includes 2 sensors mounting brackets and hardware.
Lift master garage door safety sensor.
The replacement safety sensors project an invisible light beam across the inside of the garage door to prevent accidents and are required for safe use of all chamberlain garage door openers.
Whenever there is an obstruction the garage door will automatically reverse before causing any damage.
Safety reversing sensors keep people and vehicles out of harm s way with liftmaster reversing sensors which detect an obstruction and reverses the gate to prevent an accident.
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Chamberlain 41a5034 garage door opener safety sensor kit genuine original equipment manufacturer oem part.
Liftmaster replacement parts high quality rigorously tested and durable only liftmaster parts are recommended for repairing your garage door opener.
For the door to close correctly without reversing the safety sensors need to be aligned perfectly and there should be nothing in the way of the light beam.
The liftmaster garage.
When the safety sensor is not properly aligned or something is obstructing the light beam the garage door will fail to close.
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To prevent the garage door from injuring someone in the door or damaging an item in the way of the door all models of liftmaster garage door openers come installed with a safety sensor.
Chamberlain compatible these sensors replace defective or damaged sensors for every chamberlain garage door opener manufactured after 1997.