The sensors are normally about 4 inches above the ground.
Sensors garage door.
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The tilt sensor is vertical when the garage is closed and moves to a horizontal position as it opens.
Thus the alarm activates if someone tries to open the armed door.
As long as the beam isn t interrupted the door will open or close normally.
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Whenever there is an obstruction the garage door will automatically reverse before causing any damage.
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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.
Chamberlain liftmaster craftsman garage door opener replacement safety sensors g801cb p includes 2 sensors mounting brackets and hardware.
Shop for garage door sensors in garage door hardware.
The job of a tilt sensor is to detect the open closed status of a garage door based on its position.
Garage door sensors work by shooting a beam of infrared light across the entrance of your garage to the sensor on the other side.