Carbon Monoxide Alarm with Digital Display and 10 Year Warranty - Kidde K7DCO
The Kidde K7DCO carbon monoxide alarm features a 10 year life and a digital display for continuous monitoring of CO levels. Certified for use in homes, caravans and boats, this CO alarm protects you against the dangers of carbon monoxide gas in domestic and travel settings. Powered by two replaceable alkaline batteries, the K7DCO has a digital display screen to show current CO level, and a button which allows peak level recordings to be displayed. The K7DCO replaces its predecessor (7DCO) and can be fitted to existing 7DCO and 7CO baseplates.
- Designed for the home and for travel (camping, caravanning and boats)
- Available with optional soft pouch to protect your CO alarm during travel!
- Product Life: 10 years
- Battery: 2 x Duracell AA alkaline batteries included
- Warranty: 10 year warranty
- Free-standing or wall mounted (plate and fixings supplied)
- CE Marked, UKCA Marked and fully certified for use on caravans and boats
- Digital display provides several readings:
- Current CO level
- Peak CO level since last reset – 11ppm to 999ppm
- Low battery warning (in addition to an audible "chirp")
- End-of-life warning after 10 years
- Kitemarked to BS EN 50291-1:2018 (domestic use) and BS EN 50291-2 (camping / caravans / boats)
- Detector sounds a loud 85db warning alarm when CO is detected
- Test/Reset button and digital display allows for easy testing and CO monitoring
- End of life warning signal provides a reminder for alarm replacement
- Dimensions (HxWxD): 72 x 119 x 39mm
- This alarm is also suitable for the updated 2022 Welsh legislation
Please note: the packaging may state "excludes batteries" but this is regarding the warranty period; the K7DCO is supplied with suitable batteries.
Key Product Features
See the peak CO level recorded at the press of a single button
LED indicators for alarm (red), power (green), fault (amber)
Loud 85dB alarm alerts occupants to the presence of deadly gas
Includes screws and mounting plate for easy wall mounting
What's Included?
The KE7DCO CO alarm is supplied with the following components.
- 1 x Kidde K7DCO carbon monoxide alarm
- 2 x AA batteries
- 1 x Screw fixing set (screws & rawl plugs)
- 1 x Instruction manual
Customer Reviews (89)
Reviewer
C T
Published on
6th November 2026
Reviewer
R C
Easy to use
Published on
20th October 2026
Reviewer
J M
Neat, easy to install batteries, works straightaway. Excellent value. Trustworthy brand.
Published on
11th October 2026
Technical Data
| Product Code | KEK7DCO |
|---|---|
| Alternative Product Codes | 7DCO, K7DCO |
| Brand | Kidde |
| Manufacturer's Part Number | K7DCOBB |
| Approvals & Markings | CE Marked |
| UKCA Marked | |
| NCC Approved | |
| Battery Type | AA Batteries |
| CO Alarm Level (parts per million) | From 50ppm |
| CO Detection Level (parts per million) | From 11ppm |
| Compliance | BS EN 50291-1 (Domestic) |
| BS EN 50291-2 (Caravans / Boats / Travel) | |
| Connection | Standalone |
| Display | Digital Display |
| Environmental Suitability | Caravan, Camping & Boats |
| Home | |
| Travel | |
| Fixing Options | Screws (included) |
| Wall Mounted / Freestanding | |
| Lifespan | 10 Years |
| Local Legislation | Welsh Legislation (2022) |
| Material | Plastic |
| Operating Temperature | +4°C To +38°C |
| Power Type | Battery Powered |
| Recyclable | Yes - Valpak's WEEE Distributor Take-back Scheme |
| Relative Humidity | 10% To 95% |
| Sensitivity | 30ppm (Parts per Million) |
| Sensor Type | Electro-chemical |
| Sound Level | 85dB |
| Warning Type | Audible - Alarm Sounder |
| Warranty | 10 Years |
| Dimensions (Unit) |
|
| Weight | 250g |
Had one of these C0 detector in our previous house and purchased another from here, for our new house. Also purchased for my daughters house. They are great detectors and so easy to install on the wall. 10 year warranty is excellent as is the 10 year battery which never has to be changed.