The Kidde Interconnectable Optical Smoke Alarm with Back-up Battery is a mains-powered optical smoke detector with a user-replaceable 9V alkaline battery.
Part of our Firex range, you can link this product with up to 23 other Kidde mains powered alarms. If one alarm is activated, all other connected alarms will sound. This product is suitable for most locations within your home, except in the kitchen, where we recommend a Firex Heat Alarm.
This mains-powered unit requires installation by a qualified electrician and complies with UK Building Regulations for new housing and associated standards (Grade D2 BS 5839, Part 6).
- Interconnectivity – interconnectable with up to 23 Firex hard-wired alarms
- Alarm Memory – identifies source unit within interconnecting network
- Combined Test & Hush Button – allows you to test alarm function regularly and silence nuisance alarms temporarily
- Tamper-Resistant locking device – prevents unauthorised removal without the use of a tool
- Mains Operation – 9V alkaline back-up battery supplied as standard
| Model | KF20 |
| Power Supply | 230V mains-powered with 9V alkaline battery back-up |
| Temperature Range | 0ºC to 40ºC |
| Humidity Range | Up to 93% Relative Humidity (RH) non-condensing |
| Storage and Transport | -20ºC to +60ºC and 5 – 95% relative humidity (RH) non-condensing |
| Alarm Dimensions | 127 x 127 x 39mm |
| Bracket Dimensions | 133 x 133 x 6mm |
| Alarm Weight | 242g |
| Warranty | 6 years |
| Approvals | BSI certified to EN 14604:2005 |
| CE | Tested and certified |
| UKCA | Tested and certified |
Download PDFThe Kidde Interconnectable Optical Smoke Alarm with Back-up Battery is a mains-powered optical smoke detector with a user-replaceable 9V alkaline battery.
Part of our Firex range, you can link this product with up to 23 other Kidde mains powered alarms. If one alarm is activated, all other connected alarms will sound. This product is suitable for most locations within your home, except in the kitchen, where we recommend a Firex Heat Alarm.
This mains-powered unit requires installation by a qualified electrician and complies with UK Building Regulations for new housing and associated standards (Grade D2 BS 5839, Part 6).
- Interconnectivity – interconnectable with up to 23 Firex hard-wired alarms
- Alarm Memory – identifies source unit within interconnecting network
- Combined Test & Hush Button – allows you to test alarm function regularly and silence nuisance alarms temporarily
- Tamper-Resistant locking device – prevents unauthorised removal without the use of a tool
- Mains Operation – 9V alkaline back-up battery supplied as standard
| Model | KF20 |
| Power Supply | 230V mains-powered with 9V alkaline battery back-up |
| Temperature Range | 0ºC to 40ºC |
| Humidity Range | Up to 93% Relative Humidity (RH) non-condensing |
| Storage and Transport | -20ºC to +60ºC and 5 – 95% relative humidity (RH) non-condensing |
| Alarm Dimensions | 127 x 127 x 39mm |
| Bracket Dimensions | 133 x 133 x 6mm |
| Alarm Weight | 242g |
| Warranty | 6 years |
| Approvals | BSI certified to EN 14604:2005 |
| CE | Tested and certified |
| UKCA | Tested and certified |
https://images.carriercms.com/image/upload/w_auto,c_lfill,q_auto,f_auto/v1695712794/kidde/Lizzy%20-%20updated%20files/Png%20product%20images/Kidde-Firex-Mains-Optical-KF20-Smoke-Alarm-Left-1x1.png
230V AC, Rechargeable battery back-up
Optical
Test/Hush Button, Interconnectable, Tamper resistant, Back-up battery, 6 year warranty
Bedroom, Living Room, Hallway, All Living Areas
https://images.carriercms.com/image/upload/w_auto,c_lfill,q_auto,f_auto/v1695711574/kidde/Lizzy%20-%20updated%20files/Png%20product%20images/Kidde-Fyrnetics-Slick-Optical-Mains-2SFW-Smoke-Alarms-Left-1x1.png
230V AC, 9V battery back-up
Optical
Test/Hush Button, Tamper resistant, Back-up battery, Interconnectable, 10 year warranty, Insect resistant
Bedroom, Living Room, Hallway, All Living Areas
https://images.carriercms.com/image/upload/w_auto,c_lfill,q_auto,f_auto/v1695711574/kidde/Lizzy%20-%20updated%20files/Png%20product%20images/Kidde-Fyrnetics-Slick-Optical-Mains-2SFW-Smoke-Alarms-Left-1x1.png
230V AC, Rechargeable battery back-up
Optical
Test Button, Hush Button, Tamper resistant, Back-up battery, Interconnectable, 10 year warranty, Insect resistant
Bedroom, Living Room, Hallway, All Living Areas
