Honeywell 945-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.

How Do I Replace Old Alarm Sensor Magnets?
Find out how to replace an old alarm sensor magnet