Honeywell 7940WH-M Frequently Asked Questions
How Do I Replace My ADT Door Sensor's Magnet?
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. If you are just replacing the magnet, no programming changes will need to be made at the panel. Learn more about door sensor 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. If you are just replacing the magnet, no programming changes will need to be made at the panel. Learn more about door sensor magnets.
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