Honeywell 951WG-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.
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What Do Normally Closed and Normally Open Mean?
"Normal" is the normal state of an opening, such as a door. Normally open/closed refers to the state of a contact connected to a door in its normal position.
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