Kidde Firex KF20 Optical Smoke Alarm - Mains Operated with Battery Back Up

Product Information

The standard alarms feature a backup battery that will last for 12 months, and then should be replaced.

Interconnectable to up to 23 other Firex or Kidde Slick mains alarms and round for easy lining up, installation of this optical (also know as photoelectric) smoke alarm could not be easier. This mains-powered unit complies with UK Building Regulations for new housing and associated standards (Grade D BS 5839, Part 6) and should be installed by a qualified electrician.

If this is not the case, and you only hear the unit you are testing, there is a problem with the interconnection and you should contact an electrician to investigate further. Some say that the smoke alarm function is similar to the fire alarm function, and that the baseplate is easy to fit. It is this commitment to first class equipment that has made us one of the leading providers of fire alarms and other safety equipment. The Firex Interconnectable Optical Smoke Alarm is a mains-powered alarm that can be interlinked with up to 23 Kidde hard-wired alarms, be they ionisation, optical or heat.

Some say that the product is a good substitute for old items and that it is able to replace existing alarms. Our cookie management banner gives you the option to disable non-essential cookies, or you can manage this in your browser settings.Please note – That when replacing an existing Kidde fixture, all parts / accessories will need to be bought as new e. Installation of this optical smoke alarm is simple plus it is interconnectable to up to 23 other Firex or Kidde Slick mains alarms. 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. If you do not allow these cookies, some features may not work and we will not know when you have visited our site.

For 14 years, Firex has proved a popular range of cost-effective smoke and heat alarms in the UK with a 6-year guarantee.You can accept all cookies, reject all cookies that require your consent or manage your preferences. Please Note: The Kidde KF Firex models are replacements for the older Firex 4000 series, Kidde 9HI and Kidde 9HILLs and can be interlinked, however the new models cannot be used on the same base plates and use different connector blocks.