Firex Mains Optical Smoke Alarm with Battery Backup

The updated Kidde Firex KF20 and KF20R alarms are mains powered, interlinking optical smoke alarms that use up to 70% less energy than previous Firex models. The KF20 has an alkaline battery back-up and the KF20R, a rechargeable lithium battery back-up. The units are hard wired and can be interlinked with other units from the series to create all round fire protection within the home.

• 230V hard-wired smoke alarm


• Optional alkaline back-up battery


• 6 year warranty


• Up to 70% lower energy consumption compared to previous Firex models


• A maximum of 24 units can be interlinked via signal cable


• Certified to BS EN 14604:2005 – view the certificate


• Suitable for installations complying to BS 5839-6: 2013 Grade D, E and F


• CE marked


• Neat slimline design


• LED display


• Test / Hush button


• Low battery warning chirp – can be silenced for 8 hours


• Supplied with dust cover (to protect unit temporarily if you carry out dusty work)


• Supplied with fixings; 2 x screws and 2 x rawl plugs