If you are just replacing the magnet no programming changes will need to be made at the panel.
Adt alarm door magnets.
Replacing an adt door sensor magnet is as simple as finding a compatible new magnet taking the old magnet off the door and putting the new one in place.
Learn more about door sensor magnets.
When the system is armed and a door or window is opened the two magnetic sensors are separated from each other thereby tripping the alarm.
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Great replacement magnet for adt wireless door alarm.
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A door or window sensor is typically a two piece magnetic contact sensor.
Didn t have to deal with making an appointment and paying an arm and a leg for a replacement.