How would you use the Virtual smoke detector?

Yup this is exactly what I do. A $20 investment into the relay and a $30 investment into the ecolink contact sensor and my 6 interconnected dumb smoke alarms become very dependable smart smoke alarms.

At some point I'll have to buy the other relay which does the same thing for the carbon monoxide side of the smoke alarms as they are combo smoke/CO alarms but the relays are specific to smoke and CO.

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