Automatic
An automatic door closer (more often called a "door opener") opens the door itself, typically under the control of a push button, motion detector or other device, and then closes it as well, typically employing a motion or proximity detector to determine when it is safe to close the door.
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Norton 7124SZ Multi-Point Closer/Holder w/ Motion Sensor (Push Side)
$531.25 -
Norton 7214MPO Support Unit Slide Track Electromechanical Closer/Holder Releasing Device
$622.50 -
Norton 7224MPO Support Unit Double Lever Arm Electromechanical Closer/Holder Releasing Device
$622.50 -
Norton 7244MPI Support Unit Connected Free Swing Arm Electromechanical Closer/Holder Releasing Device
$543.13
