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Kidde 21006371 p12040 Hardwire With Battery Backup Photoelectric Smoke Alarm, White - Smoke Detectors - Amazon.com
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Kidde Firex Smoke Detector, Hardwired with nine-V Battery Backup & Front-Load Battery Door, Smoke Alarm, 4-Pack 21030967 - The Home Depot
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Kidde® FireX Direct Wire Combination Carbon Monoxide and Ionization Smoke Alarm with Hush - 4 Pack at Menards®
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Kidde Firex Smoke Detector, Hardwired with 9-Volt Battery Backup & Front Load Battery Door, Adapters Included, Smoke Alarm 21029886 - The Home Depot
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Kidde Firex Smoke Detector, Hardwired with Battery Backup & Front-Load Battery Door, Smoke Alarm 21029877 - The Home Depot
![Hi, I'm going to attempt to replace these Firex smoke detectors myself. can I just buy the most recent model of these and swap them out, leaving all the old wires? Or Hi, I'm going to attempt to replace these Firex smoke detectors myself. can I just buy the most recent model of these and swap them out, leaving all the old wires? Or](https://preview.redd.it/hi-im-going-to-attempt-to-replace-these-firex-smoke-v0-7nce6mtqp4ba1.jpg?width=640&crop=smart&auto=webp&s=1340cfc628de58869043d20931c649b82fa77299)
Hi, I'm going to attempt to replace these Firex smoke detectors myself. can I just buy the most recent model of these and swap them out, leaving all the old wires? Or
![kidde-ka-f2-ka-b2-quick-convert-adapter-to-replace-wire-in-smoke-alarms -2-pack-one-brkone-firex-21028461-8461.3808.jpg kidde-ka-f2-ka-b2-quick-convert-adapter-to-replace-wire-in-smoke-alarms -2-pack-one-brkone-firex-21028461-8461.3808.jpg](https://smhttp-ssl-68412.nexcesscdn.net/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/k/i/kidde-ka-f2-ka-b2-quick-convert-adapter-to-replace-wire-in-smoke-alarms-2-pack-one-brkone-firex-21028461-8461.3808.jpg)
kidde-ka-f2-ka-b2-quick-convert-adapter-to-replace-wire-in-smoke-alarms -2-pack-one-brkone-firex-21028461-8461.3808.jpg
![Kidde Firex Smoke Detector, Hardwired with Battery Backup & Front-Load Battery Door, Smoke Alarm 21029877 - The Home Depot Kidde Firex Smoke Detector, Hardwired with Battery Backup & Front-Load Battery Door, Smoke Alarm 21029877 - The Home Depot](https://images.thdstatic.com/productImages/71cb1773-3a16-4647-bd3f-9c64c298a7e5/svn/kidde-hardwired-smoke-detectors-21029877-40_600.jpg)
Kidde Firex Smoke Detector, Hardwired with Battery Backup & Front-Load Battery Door, Smoke Alarm 21029877 - The Home Depot
![Kidde Firex Smoke Detector, Hardwired with Battery Backup & Front-Load Battery Door, Smoke Alarm 21029877 - The Home Depot Kidde Firex Smoke Detector, Hardwired with Battery Backup & Front-Load Battery Door, Smoke Alarm 21029877 - The Home Depot](https://images.thdstatic.com/productImages/d7d550a0-5988-435d-8a62-382b5f3444e8/svn/kidde-hardwired-smoke-detectors-21029877-64_1000.jpg)
Kidde Firex Smoke Detector, Hardwired with Battery Backup & Front-Load Battery Door, Smoke Alarm 21029877 - The Home Depot
![Kidde Firex Smoke Detector, Battery Operated with Front-Load Battery Door, Smoke Alarm 21029922 - The Home Depot Kidde Firex Smoke Detector, Battery Operated with Front-Load Battery Door, Smoke Alarm 21029922 - The Home Depot](https://images.thdstatic.com/productImages/484341ca-d5e6-4e53-abb6-a160d5e0192b/svn/kidde-battery-smoke-detectors-21029922-40_600.jpg)
Kidde Firex Smoke Detector, Battery Operated with Front-Load Battery Door, Smoke Alarm 21029922 - The Home Depot
![First Alert BRK ADF-12 BRK Smoke Alarm Adapter Plug for Firex Hardwire Smoke Alarms, White/Black, Pack of 12 - Combination Smoke Carbon Monoxide Detectors - Amazon.com First Alert BRK ADF-12 BRK Smoke Alarm Adapter Plug for Firex Hardwire Smoke Alarms, White/Black, Pack of 12 - Combination Smoke Carbon Monoxide Detectors - Amazon.com](https://m.media-amazon.com/images/I/719xHvWwmLL.jpg)
First Alert BRK ADF-12 BRK Smoke Alarm Adapter Plug for Firex Hardwire Smoke Alarms, White/Black, Pack of 12 - Combination Smoke Carbon Monoxide Detectors - Amazon.com
![Kidde Firex Hardwired Smoke Detector with Photoelectric Sensor and 9-Volt Battery Backup 21029883 - The Home Depot Kidde Firex Hardwired Smoke Detector with Photoelectric Sensor and 9-Volt Battery Backup 21029883 - The Home Depot](https://images.thdstatic.com/productImages/f33c3ab9-7144-4088-9633-9a40faf0a816/svn/kidde-hardwired-smoke-detectors-21029883-64_1000.jpg)
Kidde Firex Hardwired Smoke Detector with Photoelectric Sensor and 9-Volt Battery Backup 21029883 - The Home Depot
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Kidde Firex Hardwired Combination Smoke and Carbon Monoxide Detector with Adapters and Voice Alarm 21029718 - The Home Depot
![Kidde I4618AC Alarm Hardwire Smoke Detector with 9V Backup and Front Load Battery Door | Model i4618, White - Kiddie Ka F Adaptor - Amazon.com Kidde I4618AC Alarm Hardwire Smoke Detector with 9V Backup and Front Load Battery Door | Model i4618, White - Kiddie Ka F Adaptor - Amazon.com](https://m.media-amazon.com/images/I/61NhWaKpE8L.jpg)
Kidde I4618AC Alarm Hardwire Smoke Detector with 9V Backup and Front Load Battery Door | Model i4618, White - Kiddie Ka F Adaptor - Amazon.com
![Kidde FireX Hardwire Smoke Detector Alarm with Battery Backup | Model 21006931 - Smoke Detectors - Amazon.com Kidde FireX Hardwire Smoke Detector Alarm with Battery Backup | Model 21006931 - Smoke Detectors - Amazon.com](https://m.media-amazon.com/images/I/61LOkjkmHSL.jpg)
Kidde FireX Hardwire Smoke Detector Alarm with Battery Backup | Model 21006931 - Smoke Detectors - Amazon.com
![Kidde KA-F - Quick Convert Adapter - Allows Installation of Kidde Alarm in Firex Wiring Harness(6 Pack) - Amazon.com Kidde KA-F - Quick Convert Adapter - Allows Installation of Kidde Alarm in Firex Wiring Harness(6 Pack) - Amazon.com](https://m.media-amazon.com/images/I/31MCJwVB-qL._AC_UF894,1000_QL80_.jpg)