The Kidde Interconnectable Optical Smoke Alarm with Long-Life Back-up Battery is a mains-powered optical smoke detector with a replaceable 9V long-life lithium battery. You don’t need to replace the battery during the alarm’s lifespan.
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 D 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
- Auto-Reset After Activation – allows you to identify initiating alarm
- Tamper-Resistant Locking Device – prevents unauthorised removal without the use of a tool
- Mains Operation – 9V lithium back-up battery supplied as standard
Model | KF20LL |
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 |
The Kidde Interconnectable Optical Smoke Alarm with Long-Life Back-up Battery is a mains-powered optical smoke detector with a replaceable 9V long-life lithium battery. You don’t need to replace the battery during the alarm’s lifespan.
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 D 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
- Auto-Reset After Activation – allows you to identify initiating alarm
- Tamper-Resistant Locking Device – prevents unauthorised removal without the use of a tool
- Mains Operation – 9V lithium back-up battery supplied as standard
Model | KF20LL |
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 |