Honeywell 5800 Door Sensors and Window Sensors Frequently Asked Questions

Is a Honeywell 5818MNL compatible with a 2GIG GC3?
As a 5800 Series sensor, the Honeywell 5815MNL is compatible with the 2GIG GC3. No additional add-ons are needed to use the 5818MNL with a 2GIG GC3 panel.
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Can I Install a Window Contact on a Honeywell Alarm?
A window contact can be installed on any Honeywell panel. The optimal window sensor depends on the model of the panel and the applications that are needed.
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What's the Best Window Sensor for the Honeywell L3000?
There are many great window sensors from the Honeywell 5800 Series that pair well with the Honeywell L3000. The best window sensor depends on the user's needs.
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How do I Remove the Battery from My Honeywell 5811 Sensors?
To remove the battery from a Honeywell 5811 door/window sensor, use a small flathead screwdriver to pop it open. Learn more about the best techniques.
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