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This Firex KF20LL optical mains smoke alarm has a long-life sealed lithium battery backup (replaced the discontinued Kidde 4985). Installation of this optical smoke alarm is simple plus it is interconnectable to up to 23 other Firex or Kidde Slick mains alarms. As with all our mains smoke alarms, it conforms to BS5839 Part 6 Grade D and has a 6-year warranty (including the battery). A single hush and test button is standard and the battery is included.
 
Optical alarms are suitable for smouldering fires and are to be used in hallways, bedrooms, and offices - a house should have a combination of optical and ionisation
 
Do not use in or near to a kitchen or shower room
 
Fixing requires two little screws and wallplugs (included) to screw to ceiling or use sticky pads

Product Data Sheets
PDF downloadKF20LL Data sheet

  • 6 year warranty including the long life lithium 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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Firex KF20LL Long Life Optical Smoke Alarm

    • Model number:
      KF20LLX
    • £42.75 ex. VAT
      £51.30 inc. VAT
      SAVE £5.80 (12%)
     
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    • 100-day Free Returns
    • Spend £50 + vat for Free Delivery Next working day if ordered before 2pm
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