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First Alert
First Alert BRK Brands Hardwired 120-Volt AC/DC Heat Alarm with Battery Backup - HD6135FB
$28.95
Price as of November 10, 2026 at firstalertstore.com. Prices change; the retailer shows the price today.
This hardwired heat alarm has 9V battery backup and fixed-temperature and rate-of-rise sensing.
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