The Kidde K10LLCO carbon monoxide alarm features a 10 year sealed lithium battery designed to last for the life of the alarm, and is coupled with a 10 year manufacturer's warranty for peace of mind. Fully certified and Kitemarked to BS EN 50291-1, this alarm uses clear LED indicators to display Power (Green), Fault (Amber) and Alarm (Red) states. The combined test and hush button ensures easy testing and maintenance. The K10LLCO is supplied with its own baseplate, but can be installed on existing 10LLCO baseplates if replacing an older model.
Combined test and reset button for quick and easy operation
Includes screws and mounting plate for easy wall mounting
LED indicators show power and alarm status
Loud 85dB alarm alerts occupants to the presence of deadly gas
The KE10LLCO CO alarm is supplied with the following components.
All of our product reviews are written by real customers that have purchased this product from us and are published without modification.
D R
9th April 2026
P J
9th April 2026
Newly purchased, meant to have a ten year life, so can't give five stars. Ok so far.
J B
16th January 2026
Brilliant price
J F
10th November 2025
Perfect, just the right product for the application
Easy to order and great delivery. Awesome!
A D
6th October 2025
Nice neat unit, not intrusive and simple to fit
| Product Code | KEK10LLCO |
|---|---|
| Brand | Kidde |
| Battery Type | Sealed Lithium |
| CO Alarm Level (parts per million) | From 50ppm |
| Colour | White |
| Local Legislation | Scottish Legislation (2022) |
| Welsh Legislation (2022) | |
| Northern Ireland Legislation (2024) | |
| Approvals & Markings | CE Marked |
| UKCA Marked | |
| Compliance | BS EN 50291-1 (Domestic) |
| Display | LED Indicators |
| Fixing Options | Screws (included) |
| Wall Mounted / Freestanding | |
| Installation Position | Mount At Head Height |
| Material | Plastic |
| Operating Temperature | -10°C To +40°C |
| Power Type | Battery Powered |
| Relative Humidity | 0% To 90% |
| Sound Level | 85dB |
| Sensitivity | 50ppm (Parts Per Million) |
| Sensor Type | Electro-chemical |
| Warranty | 10 Years |
| Recyclable | Yes - Valpak's WEEE Distributor Take-back Scheme |
| Warning Type | Audible - Alarm Sounder |
| Connection | Standalone |
| Lifespan | 10 Years |
| Environmental Suitability | Home |
| Dimensions (Unit) |
|
| Weight | 132g |
| Datasheets |
Fair price. No issues with order/payment process. Hope the '10 year' battery lasts - and that the CO1 alarm functions correctly!