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The Kidde K5CO is a compact, easy-to-install carbon monoxide alarm that provides continuous CO monitoring. It's lightweight, wall-mountable, or freestanding and includes a test/reset button and multi-function LEDs. With a 7-year warranty and essential safety certifications, it's designed for all living areas.
| Model | K5CO |
| Power Supply | 3 x AA batteries (as supplied) |
| Temperature Range | 0°C to 40°C |
| Humidity Range | Up to 90% relative humidity (RH) non-condensing |
| Storage and Transport | -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing |
| Alarm Dimensions | 126 x 72 x 35mm |
| Alarm Weight | 115g |
| Warranty | 7 years |
| Approvals | BSI certified to EN50291-1:2018 Standards |
| CE tested and certified | Yes |
Wondering which smoke alarm you need?
Our Smoke and Gas Detectors Buying Guide has a wealth of information to help you decide which Smoke Alarms to buy, plus installation tips, maintenance advice, and guidance on certification standards and relevant regulations to be aware of.
What type of batteries does the Kidde K5CO use and are they included?
The K5CO uses three AA batteries, which are included with the alarm to ensure it is ready to use immediately after purchase.
Where should I install the Kidde K5CO in my home?
The K5CO can be installed on a wall, ceiling, or used freestanding on a table or shelf, making it versatile for placement in any living area, including bedrooms, living rooms, and hallways.
How do I know when the Kidde K5CO alarm needs to be replaced?
The K5CO features an end-of-life alarm that alerts you to replace the unit after a minimum of 10 years' protection, ensuring your safety over a long period.
What certifications does the Kidde K5CO carbon monoxide alarm hold?
The K5CO is BSI certified to EN50291-1:2018 Standards and also comes with CE and UKCA testing and certification, assuring compliance with European safety regulations.
