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Firex KF20LL Long Life Optical Smoke Alarm

The KF20LL optical smoke alarm is manufactured by Firex, and features a long-life sealed lithium backup battery for worry free protection. 
  • £42.36+ VAT
  • (£50.83 inc. VAT)
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Previously marketed as the Kidde 4985, this alarm is simple to install with the included screws, wall plugs and sticky pads. Mount on ceiling or wall. Battery test button to ensure battery is charged, and hush button to quickly silence nuisance or false alarms.

The 4985 comes with a 6 year warranty, and is interconnectable with up to 23 other compatible devices. Measures 127mm in diameter, and 39mm deep. Manufactured by Kidde Firex.

  • MPN
  • EAN
  • Google product category
    Home & Garden > Fire & Gas Safety > Smoke Detectors
  • With ceiling pattress
    no thanks, with pattress
  • 6 year warranty including the long life battery
  • BSi Kitemarked to BS 5839 pt. 1, CE Marked
  • 6 year backup lithium battery included plus a single test and hush button
  • Interconnectable to 23 other alarms from the Firex and Kidde Slick range
  • Diameter 127mm
  • Depth 39mm including mounting bracket
  • Manufactured by Kidde Firex
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