Firex Smoke & Heat Alarms

For almost 20 years, Firex has proved a popular range of cost-effective smoke and
heat alarms in the UK with a 6-year guarantee. Firex is now manufactured
and supplied by Kidde, with the added benefits brought by a global
manufacturer.

Firex hard-wired alarms feature very different designs for each type of
alarm, highlighting I for ionisation and O for optical, enabling easy
visual recognition to ensure that the specified type is fitted in each
location. Ionisation and optical models are complemented by distinctive
heat alarms for situations unsuitable for smoke alarms, such as kitchens.
OUT OF STOCK
15.84
Firex KS4870 (KF1) Mains Powered Ionisation Smoke Alarm with Alkaline Battery BackupNew Model Number Firex KF1
  • 230V Hard Wired Mains Powered alarm
  • Interconnects with up to 23 other alarms
  • Combined Test & Hush Button
  • Guaranteed for 6 years
OUT OF STOCK
27.84
Firex KS4881 Mains Powered Ionisation Smoke Alarm with Rechargeable Lithium Battery BackupFirex hard-wired alarms feature very different designs for each type of alarm, highlighting I for ionisation and O for optical, enabling easy visual recognition to ensure that the specified type is fitted in each location.
OUT OF STOCK
23.04
Firex KS4973 Mains Powered Optical Smoke Alarm with Alkaline Battery BackupFirex is now manufactured and supplied by Kidde, with the added benefits brought by a global manufacturer.
OUT OF STOCK
36.30
Firex KS4985 Mains Powered Optical Smoke Alarm with Rechargeable Lithium Battery BackupIonisation and optical models are complemented by distinctive heat alarms for situations unsuitable for smoke alarms, such as kitchens.
OUT OF STOCK
27.54
Firex Mains KS4899 Powered Heat Alarm with Alkaline Battery BackupThe alarms are available in three main types: ionisation, photoelectric and heat only alarms
OUT OF STOCK
38.16
Firex KS4892 Mains Powered Heat Alarm with Rechargeable Lithium Battery BackupFirex hard-wired alarms feature very different designs for each type of alarm, highlighting I for ionisation and O for optical, enabling easy visual recognition to ensure that the specified type is fitted in each location.
OUT OF STOCK
3.01
Firex Surface Pattress SMK4890Generally for retrofit projects with surface cabling or mini-trunking. Suitable for all Firex alarms.
OUT OF STOCK
30.19
Firex Surface Relay Pattress SMK4891RSurface pattress as above, with integral switchable relay for operating remote devices. Requires a live mains supply to function. Suitable for Firex alarms only.