Combination Carbon Monoxide and Smoke Alarm 10 Yr Warranty - Kidde K10SCO
The Kidde K10SCO provides both smoke and carbon monoxide detection from one space-saving unit and is backed by a 10-year warranty. Powered by 2 x AA alkaline batteries, this combined alarm effectively detects smoke with its optical sensor and uses an electrochemical sensor for deadly carbon monoxide which is undetectable by all human senses. Featuring voice alerts, the alarm will announce ‘FIRE! FIRE!' or 'WARNING! CARBON MONOXIDE!' depending on which danger has been detected, combined with an alarm beep sequence. If replacing an older model (10SCO), this unit will fit on the existing baseplate.
- Combined optical smoke and electrochemical carbon monoxide alarm
- 10-year product lifespan
- 10-year warranty
- Battery powered by 2 x replaceable AA alkaline batteries (included)
- Voice alerts with 85dB alarm
- Front-loading battery compartment for easy replacement
- Fits existing Kidde 10SCO baseplate for simple upgrades
- Central Test/Hush button for easy operation
- Temporary hush function for nuisance alarms
- Low battery and end-of-life warnings
- Smoke and CO memory function
- LED status indicators:
- Green: Normal operation
- Amber: Low battery/fault
- Red: Smoke or CO detected/Hush mode
- Suitable for BS 5839-6:2019 Grade F2 installations
- Certified to BS EN 14604:2005 (Smoke) and BS EN 50291-1:2018 -Carbon monoxide for domestic use
- CE marked
- Includes screws and wall plugs
Key Product Features
The updated K10SCO model fits the same mounting plate as the original 10SCO alarm
Front-loading compartment makes it easy to replace the 2x AA batteries (included)
Clear LED to indicate normal operation, faults, and alarm condition
Loud 85dB alarm and different voice warnings specific to the danger detected
What's Included?
The Kidde KE10SCO is supplied with the following components.
- 1 x Kidde K10SCO Combined CO & Smoke Alarm
- 2 x AA Alkaline batteries
- 1 x Screw fixing set (screws & rawl plugs)
- 1 x Protective dust cover
- 1 x Instruction manual
Customer Reviews (181)
Reviews by Real Customers
All of our product reviews are written by real customers that have purchased this product from us and are published without modification.
Reviewer
J B
Published on
14th September 2026
Reviewer
E R
Simple to install and alarms loud and clear
Published on
7th September 2026
Reviewer
D L
When my existing alarm 'faulted' after having had it for some time, I decided to renew it, Being totally satisfied with the 'Kidde' product, I wanted a direct replacement. I purchased it direct on line, and one of the attractions is that the replacement just fits straight onto the old baseplate. No need for trying to fit a new baseplate on the ceiling and finding its a different size leaving a decorating issue as well !!! The design is unobtrusive, perfectly practical and does the job it's intended for. Kidde have a large varied range to suit all applications. Yes, happy customer. Highly recommended
Published on
22nd August 2026
Technical Data
| Product Code | KEK10SCO |
|---|---|
| Brand | Kidde |
| Manufacturer's Part Number | K10SCO |
| Approvals & Markings | CE Marked |
| Battery Chemistry | Alkaline |
| Battery Type | AA Batteries |
| British Standard Grade | Grade F2: Battery Powered (replaceable) |
| CO Alarm Level (parts per million) | From 50ppm |
| CO Detection Level (parts per million) | From 30ppm |
| Colour | White |
| Compliance | BS 5839-6 |
| BS EN 14604: 2005 | |
| BS EN 50291-1 (Domestic) | |
| Connection | Standalone |
| Display | LED Indicators |
| Environmental Suitability | Home |
| Equipment Type | CO Alarm |
| Smoke Alarm | |
| Lifespan | 10 Years |
| Material | Plastic |
| Operating Temperature | -10°C To +40°C |
| Power Type | Battery Powered |
| Recyclable | Yes - Valpak's WEEE Distributor Take-back Scheme |
| Relative Humidity | 0% To 90% |
| Sensor Type | Electro-chemical |
| Optical | |
| Sound Level | 85dB |
| Storage Temperature | -20°C To +60°C |
| Warning Type | Audible - Alarm Sounder |
| Audible - Voice Alert | |
| Warranty | 10 Years |
| Dimensions (Unit) |
|
| Weight | 350g |
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Easy replacement for ten year old version. Just what I required