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 First Alert SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery BackupBest Price: $31.82 Our house was wired for smoke detectors -- specifically the rather cheesy BRK 4120SB, which... |  BRK Brands 7010B Hardwire Smoke Alarm with Photoelectric Sensor and Battery BackupBest Price: $14.99 Spoke to tech support. Suggested that it would be nice to have a switch so that you could run... |  BRK Brands 7010 Hardwire Smoke Alarm with Photoelectric SensorBest Price: $14.90 We purchased these units because they are "plug compatible" with the ten-year-old BRK... |  BRK Brands CO5120BN Hardwire Carbon Monoxide Alarm with Battery BackupBest Price: $31.79 The previous owner of our house installed this product in 2007. We have three of them. Two of... |  BRK Brands 7020B Hardwire Photoelectric Sensor Smoke Alarm with Battery Backup and Escape LightBest Price: $23.09 UPDATE on Aug. 4, 2010: We installed six of these alarms in Sep., 2009, and now, less than a... |
 BRK Brands 9120 Hardwire Smoke AlarmBest Price: $6.00 These BRK smoke alarms have issued alarms twice now, which lasted several hours each and... |  BRK Brands 9120B Hardwired Smoke Alarm with Battery Backup, Single Individual from Contractor PackBest Price: $8.19 I am about to tear these things out of the ceiling. It's 5am, and it's the 3rd night of... | |||
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