Top 9 Kidde Optical Smoke Alarm UK – Smoke Alarms

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1. Kidde

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

Kidde - Interlink with up to 23 Firex hard-wired alarms. Auto reset. Combined test/hush button. Mains operation. The kidde kf2 smoke alarm is a mains powered alarm contains battery in it as a backup in case of a power cut. Tamper-resistant locking device.
Weight0.24 kg (0.53 Pounds)
Part NumberKF2

2. Kidde

Kidde 2SFW Optical Smoke Alarm with Wireless Capability

Kidde - Interconnectable. Wireless Capability. Auto reset. Separate test and hush buttons. Unique fast-fit system.
Height6 cm (2.36 Inches)
Length13 cm (5.12 Inches)
Weight0.36 kg (0.79 Pounds)
Width13 cm (5.12 Inches)
Part Number2SFW
Warranty6 year warranty.

3. Kidde

Replace by date, One for Upstairs & One for Downstairs, Batteries Included, Kidde 29-FR Optical Smoke Alarm Sensor Twin Pack, 03-2028

Kidde - Loud 85 decibel alarm - designed to alert you throughout the home, even as you sleep. Test / reset button - allows alarm to be tested for operation. Ce tested and certified to 102. 0003 08. 3 year manufacturers warranty. Not interlinkable with other alarms. Photoelectric sensor technology - designed to provide the earliest detection from smoke. Bsi certified to bs en14604:2005 + aC2008 0786. Battery operated - 9V Alkaline battery included as standard. Low battery warning.

4. Kidde

Optical Photoelectric 10 Year Life and Warranty Sealed Battery, 3X Kidde 10Y29 Smoke Alarm

Kidde - Battery operation with 10-year long life – Sealed-in Lithium battery never needs to be replaced. End of life notification alerts you after 10 years when it’s time to replace the alarm.

Combined test/hushtm button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms. Ce tested and certified to 0086-cpd-535595 11 EN14604:2005. Warranty 10 years. 3x kidde 10y29 smoke alarm - optical Photoelectric 10 Year Life and Warranty Sealed Battery. Ramp-up horn allows sound emitted during test sequence to be reduced to a more acceptable volume for the user. Bsi certified to bs en14604:2005. Compact and simple smoke alarm with a non-replaceable, sealed-in Lithium battery for 10 years of continuous protection – meaning the user never needs to change the battery for the full duration of the alarm’s life.

5. Kidde


Kidde - Unique fast-fit system with separate base plate, for ease of fitting and maintenance. Mains-powered optical smoke alarm from the ‘slick’ range of fast-fit alarms that can be interconnected with up to 23 other Kidde and Firex mains alarms.

Optional wireless capability using Wireless Alarm Base RF-SFTP for wire-free interconnection. Bsi certified to bs en14604:2005. Interconnectable with other kidde mains smoke and heat alarms and Kidde mains CO alarms using ‘Smart Interconnect’ technology. Separate test and HushTM buttons to test and temporarily silence nuisance alarms.

Ce tested and certified to 0086-CPD-535595. Warranty 6 years. Tamper-resistant locking device – prevents unauthorised removal without the use of a tool. Wireless capability – use with optional Wireless Alarm Base RF-SFTP for RF interlink function. Alkaline back-up battery provides continuous operation in the event of mains failure.
Part Number2SFW-BPSSR08841

6. Kidde

Kidde 2SFW 230V Mains Optical Smoke Alarm with Wi-Fi & Long-Life Battery Back-up

Kidde - Operating temperature Min: 0°C. Supply voltage: 230V. Operating temperature Max: 40°C. Detector Type: Smoke.
Part Number2SFW

7. Kidde

Optical Photoelectric 10 Year Life and Warranty Sealed Battery, 2 X Kidde 10Y29 Smoke Alarm

Kidde - Ramp up horn: allows Alarm During Testing to be Reduced. 10 year life operation | Battery Operated. Combined Test/Hush Button. Built-in battery - Never Needs Replacing. Approvals: bsi certified to bsen14604:2005 | CE Tested and Certified.

8. Kidde

Kidde K20C Professional Mains Optical Smoke Alarm

Kidde - Detects visible fire particles. Can interlink with up to 23 interconnectable alarms. Combined test and hush button. Mains powered with battery back-up. Test/Reset button.
Height5.51 cm (2.17 Inches)
Length21.01 cm (8.27 Inches)
Width18.59 cm (7.32 Inches)
Part NumberK2C0

9. Safelincs

Kidde 29HD 9V Battery Operated Optical Smoke Alarm with Test and Hush Button, Twin Pack

Safelincs - Optical sensor, particular useful for bedrooms and living rooms. Easy installation with fixings supplied. Twin pack of two alarms. Battery powered smoke alarm 9v alkaline battery included. Test and hush buttons. Three year warranty.
Weight0.18 kg (0.4 Pounds)