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BRK Hardwired (with Battery Backup) Ionization Interconnected Combination Smoke and Carbon Monoxide Detector

First Alert BRK Hardwired (with Battery Backup) Ionization Interconnected Combination Smoke and Carbon Monoxide Detector

4.5
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Do all of these alarms have to be wired up?


It would be foolish to buy this unit if you were not hard wiring it into a system. There are battery ONLY smoke/CO detectors for less $$.

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they can operate individually on battery power

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As far as wiring them all up together, only if they are interconnected with the third wire. If not, individually will work but only that one will sound in the event of smoke on that side of the house. All will NOT sound.

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Generally the hardwired alarms have a battery backup. They can run off the battery alone. An alternative would be to get that doesn't say "hardwired" on the box. Get one that says "battery" if you don't want to wire it.

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