Kidde Mains Carbon Monoxide Detector

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Quick Overview

Mains-powered carbon monoxide alarm with non-replaceable, sealed-in Lithium battery for 7 years of continuous protection, that can be interconnected with up to 23 other Kidde mains alarms (of which 18 can be initiating alarms).

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  • Interconnectable – with other Kidde and Firex mains smoke, heat and CO alarms on a single wiring network using ‘Smart Interconnect’ technology
  • Monitors the air – every 15 seconds for the presence of carbon monoxide
  • Tamper-resistant locking device – prevents unauthorised removal without the use of a tool
  • End-of-life warning – after 7 years from initial power-up
  • Test/Reset button – to allow regular testing of alarm function
  • Rechargeable Lithium battery – provides 7 years of continuous operation in the event of mains failure


This Kidde hard-wired carbon monoxide alarm is ideal for new builds, major refurbishments of existing properties or complete re-wiring projects and can be wall or ceiling mounted, and requires installation by a professionally qualified electrician. Complies with UK Building Regulations for new housing and associated standards (BS EN 50292 code of practice).



Power Supply230V mains-powered with rechargeable Lithium back-up battery
Temperature Range0ºC to +40ºC
Humidity Range5%-95% relative humidity (RH) non-condensing
Storage and Transport-20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing
Alarm Dimensions147 x 147 x 42mm
Alarm Weight350g
Warranty7 years
ApprovalsBSI certified to BS EN50291: 2010
CE tested and certified



SensorElectrochemical with de-ionised water electrolyte, sampling one every 15 seconds
Button TestSimulates the effect of CO at the sensor, checks electronics and sounder
Supply Voltage230V AC, 50Hz (nominal UK voltage)
Audible Alarm85 dB at 3 metres
Power Consumption230V AC; 50Hz; 30mA max per alarm
ConnectionTo be in accordance with the latest IEE Regulations, BS7671, via a supplied cable harness
Battery Back-up8.2V integral rechargeable Lithium battery
Sound Output85dB (A) minimum at 3 metres
Alarm SounderElectronic piezo-electric sounder (T4 pattern sound - 4 pulses - space - 4 pulses)
WiringTo be in accordance with the latest IEE Regulations, BS7671, via supplied cable harness
Alarm Response

30ppm* = no alarm within 120 minutes
50ppm* = must alarm within 60-90 minutes
100ppm* = must alarm within 10-40 minutes
300ppm* = must alarm within 3 minutes
* Parts per million


7 years after commissioning

Optional Pattress

PATCO Surface Pattress can be used if necessary