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

Description:

About this item:

  • Interlink with up to 23 Firex hard-wired alarms
  • Combined test/hush button
  • Auto reset
  • Tamper-resistant locking device
  • The Kidde KF2 smoke alarm is a mains powered alarm contains battery in it as a backup in case of a power cut.
  • Kidde Firex smoke alarms offer the very best in quality and reliability. Certified to the highest BSi Kitemark standards and offering a wide range of alarms to suit most applications you can be assured that you are in safe hands. The KF20 is compliant with the latest in building regulations for new housing. The KF20 utilises photo-electric (optical) detection facility. They are best suited where there is a danger of slow smouldering fires such as those caused by cigarettes for example on foam filled furniture or bedding. They are less prone to nuisance alarms caused by steam or cooking particles. They can be disposed of with general household waste.

    Box Contains

    1 x KF2, Battery & Instructions

    Review:

    4.5 out of 5

    90.00% of customers are satisfied

    5.0 out of 5 stars Direct replacement, long service life

    A. · 4 July 2023

    Used these to replace two aging and about to expire Firex 120-1123E smoke detectors. Same fitting plate, same wiring connector so just pull the battery protection tape out, plug in the existing 3-pin power and attach to plate. All done in less than a minute. Tested and fully functional. Includes a Duracell long-life backup battery.Service life is 11 years (July 2034) which is very good as I’ve previously had issues with what was obviously ‘old stock’ with much shorter service life.These units do not use an Americium 241 radioisotope source as most modern smoke detectors use optical (infra-red) detection. Better for the environment and easier to dispose of.

    5.0 out of 5 stars Easy to install

    C.R. · 19 July 2024

    I bought two of these to replace out of date smoke alarms which had capacitor back up not replaceable batteries. Note that the old alarms were attached to a pattress which made fitting these alarms very easy. If you have to screw the base plate directly to the ceiling, you will need to hide the wiring in the ceiling void. In my case, fitting was straight forward and took minutes, took off the old base plate, put on new one, attached the quick fit connector to the alarm and then twisted the alarm onto the new base plate. Both alarms are inter connected.Would buy again.

    5.0 out of 5 stars Arrive quickly

    j.s. · 10 October 2024

    Feel safer in the house with this good little gadget

    4.0 out of 5 stars direct replacement for previous detector

    A.T. · 18 October 2023

    Brilliant delivery time from seller (day after ordering )Poor delivery by Bolo. Stayed in all day ,followed tracking which stated it was on way, never came.According to Bolo we were not in .I know for a certainty that was false.The units are up and working but only because i was able to use the old connector.One new pre wired connector wouldn't fit ,the other one had a wire pull straight out as connecting pin was missing (see straight through terminal).

    5.0 out of 5 stars KF20 is a very easy to install replacement for old Firex 4973 due to matching base plate and plug

    j.c. · 14 June 2024

    I did my research so I could use the base plate and electric plug of the old one (a Firex 4973) and avoid the cost of an electrician and still be safe to DIY this job. The KF20 is that kind of simple to install replacement. I only needed ladder, a flathead screwdriver to push the little button in and turn the whole front cover anti-clockwise. Then I just gently (with a little nudge under the clip ) the plug off and voila... ready to receive the new one. The new one had a long yellow strip of plastic over the enclosed battery that needed to be removed when installing to get the battery to operate, but confusingly on the strip in small lettering it stated "permanently connect ac power before removing - which is impossible to do as the battery cover is held down by the plug when it is inserted. So I did a quick call to their technical department and the gentleman said "no go ahead remove it before installing the plug bit. No problem but we only write this on there because sometimes people remove this plastic strip and then wait weeks before installing the whole thing and without it being plugged into the mains the battery drains whilst it is laying around. Ok, once I knew that I pulled the strip, heard the loud beep of contact, sign the battery is working . Then got on the ladder attached the 3 pin plug, folded the wiring neatly and twisted clockwise the cover onto the base, nice little click ... And all done and dusted. I have gone and ordered a new one for upstairs too ( that was a ionised one, but they have been phased out ), but I checked and base plate for that one (he said on the phone) fits as well with this model too and so does the plug. Lets hope that one goes as smooth as this one : less that 10 minutes, including the call. Even a 59 yr old woman can do this installation, lol! Love how this brand keeps it simple and really customer friendly with same base plate and plugs.... some mobile phone companies could learn a thing of 2 from these guys : )

    5.0 out of 5 stars Easy installation

    D. · 29 August 2024

    Needed new alarms throughout my house. These are the newer model of the ones already fitted. Simply disconnect and attach the new one. Easy.

    5.0 out of 5 stars Easy to install and good price

    F. · 8 November 2024

    Replaced faulty alarm upstairs which was linked to downstairs one. Easy switch and good instructions

    5.0 out of 5 stars Only installed for a couple of weeks

    t. · 13 November 2024

    Replacement for out of date ones. Well priced and arrived on time well packed.

    Funktioniert

    t. · 27 January 2020

    Die Kontrollleuchte leuchtet zu stark. Aber sonst TOP. Die Haltbarkeit bleibt abzuwarten. Keine Anleitung in deutscher Sprache .

    Der Rauchmelder mag grundsätzlich gut sein, aber der Anbieter ist alles andere als das!

    M. · 8 September 2021

    Der Rauchmelder ist nach nur 9 Monaten Betrieb dazu übergegangen, dauerhaft zu alarmieren. Der Anbieter reagiert auf die Reklamation mit einer Fülle von Rückfragen, um schließlich unrichtigerweise auf die Herstellergarantie zu verweisen. Vorsicht!

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

    4.6

    BHD16080

    Quantity:

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    Return and refund policies

    Product origin: United Kingdom

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