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🔥 Stay ahead of danger with Kidde KF20 — your smart shield against fire! 🛡️
The Kidde KF20 Optical Smoke Alarm is a mains-powered, photoelectric smoke detector featuring a 9V alkaline battery backup for continuous protection. It can interlink with up to 23 other Firex alarms, providing comprehensive fire safety coverage. Certified to the latest UK safety standards, it includes user-friendly features like LED indicators, test and hush buttons, and low battery alerts. Easy to install with included fixings and backed by a 6-year manufacturer warranty, it’s a reliable upgrade for any modern home.



| ASIN | B012CDAWPA |
| Alarm | Visual |
| Best Sellers Rank | 57,511 in DIY & Tools ( See Top 100 in DIY & Tools ) 144 in Smoke Alarms |
| Brand | Kidde |
| Colour | White |
| Country of Origin | China |
| Customer Reviews | 4.6 out of 5 stars 453 Reviews |
| Global Trade Identification Number | 00047871259717 |
| Included Components | Smoke Alarm Mounting bracket 9V Alkaline battery |
| Item Dimensions D x W x H | 13.5D x 5.5W x 13.5H centimetres |
| Item Type Name | Smoke Alarm |
| Item Weight | 0.24 Kilograms |
| Item weight | 0.24 Kilograms |
| Manufacturer | Kidde |
| Manufacturer Warranty Description | 6 years. |
| Material | Plastic |
| Model Number | KF20 |
| Number of Items | 1 |
| Part Number | KF20 |
| Power source | Battery Powered |
| Product Style | Classic |
| Product dimensions | 13.5D x 5.5W x 13.5H centimetres |
| Sensor Type | Photoelectric |
| Style | Classic |
| UPC | 047871259717 |
| Unit Count | 1.0 count |
P**N
Excellent Replacement for our old Smoke Alarms
Easy to replace our existing smoke alarms with the Kidde KF20 as they use the same base fittings. Just wish the company reinforced the fact they should be replaced every 10 years!! Our old ones had been installed when the house was built 21 years ago and the manufacturer has now marked the devices to state they should be replaced in 2034!!
A**R
Always may sure electrical connection is compatible and test alarm after installation
Fire alarm arrived next day and was easy to fit, just plugged into existing wiring
R**S
Reliable genuine product
Good quality genuine product at a competitive price
G**M
Item was delivered on time and is working well. ...
Item was delivered on time and is working well. Simple to fit even though it had a different fitting from our previous smoke alarms.
C**O
Super
Super
D**V
works very well
works very well
A**R
Easy installation
Came with clear instructions. Easy to fit and seems to be working just fine. I like the green light confirming it's operating
M**.
Replacement fire alarm
Replacement fire alarm, my current one no out of date and this is the direct replacement. Does what is say on the tin 👍
J**N
Alarm delivered fast and without problems
Alarm with installed in a previous installation without problems.
E**N
Überwachung unerwünschter Rauche und somit Scutz vor Feuer.
Im System der Rauchmelderkette, technisch ausgereift.
Trustpilot
1 month ago
1 day ago