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Shop how to hardwire smoke detectors in series

Sponsored
About our ads
$316.53
First Alert SMCO100V-AC, Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm With Battery Backup And Voice & Location Alerts, 6-Pack
Amazon.com
3K+
Free shipping
$316.53
First Alert SMCO100V-AC, Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm With Battery Backup And Voice & Location Alerts, 6-Pack
Amazon.com
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First Alert 9120B 120V AC/DC Hardwired With 9V Battery Backup Ionization Smoke Alarm (Upgraded To SMI100-AC)
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