![Kidde KA-F - Quick Convert Adapter - Allows Installation of Kidde Alarm in Firex Wiring Harness (6 Pack) : Amazon.co.uk: DIY & Tools Kidde KA-F - Quick Convert Adapter - Allows Installation of Kidde Alarm in Firex Wiring Harness (6 Pack) : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/31MCJwVB-qL._AC_UF1000,1000_QL80_.jpg)
Kidde KA-F - Quick Convert Adapter - Allows Installation of Kidde Alarm in Firex Wiring Harness (6 Pack) : Amazon.co.uk: DIY & Tools
![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=1080&crop=smart&auto=webp&s=5aa0a38178d57c033559cf3f358ae4c6d8ce0ecc)
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 Firex KF20 Optical Smoke Alarm - Mains Operated with Battery Back Up : Amazon.co.uk: DIY & Tools Kidde Firex KF20 Optical Smoke Alarm - Mains Operated with Battery Back Up : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/515CCoZk4qL.jpg)
Kidde Firex KF20 Optical Smoke Alarm - Mains Operated with Battery Back Up : Amazon.co.uk: DIY & Tools
![Reviews for Kidde Firex Smoke Detector, Hardwired with 9-Volt Battery Backup & Front Load Battery Door, Adapters Included, Smoke Alarm | Pg 2 - The Home Depot Reviews for Kidde Firex Smoke Detector, Hardwired with 9-Volt Battery Backup & Front Load Battery Door, Adapters Included, Smoke Alarm | Pg 2 - The Home Depot](https://images.thdstatic.com/productImages/8b240019-089c-469b-a5f9-5e7252a5c675/svn/kidde-hardwired-smoke-detectors-21029886-1d_600.jpg)
Reviews for Kidde Firex Smoke Detector, Hardwired with 9-Volt Battery Backup & Front Load Battery Door, Adapters Included, Smoke Alarm | Pg 2 - The Home Depot
![Reviews for Kidde Firex Smoke Detector, Hardwired with 9-Volt Battery Backup & Front Load Battery Door, Adapters Included, Smoke Alarm | Pg 2 - The Home Depot Reviews for Kidde Firex Smoke Detector, Hardwired with 9-Volt Battery Backup & Front Load Battery Door, Adapters Included, Smoke Alarm | Pg 2 - The Home Depot](https://images.thdstatic.com/productImages/65a413c8-d974-400b-9d7a-9ad56bd27b6f/svn/kidde-hardwired-smoke-detectors-21029886-64_1000.jpg)