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Combination Carbon Monoxide and Smoke Alarm - Kidde K10SCO

4.5 out of 5 stars
1 unit 2+ units 5+ units

£26.40 inc VAT

£22.00 ex VAT

£25.80 inc VAT

£21.50 ex VAT

£24.60 inc VAT

£20.50 ex VAT

Product Overview

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 either '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.

  • FREE delivery
  • Combined optical smoke and carbon monoxide alarm
  • Product Life: 10 years
  • Battery: 2 x AA replaceable alkaline batteries (included)
  • Warranty: 10 year warranty
  • Front loaded battery compartment for easy battery changes
  • Combined dual voice warning and 85dB alarm:
    • FIRE! FIRE! – Smoke detected
    • WARNING! CARBON MONOXIDE! – Carbon monoxide detected
  • Fits on the original Kidde 10SCO base plate to easily replace an old alarm
  • Coloured LEDs to indicate alarm status:
    • Green – Normal operation
    • Amber – Low battery or fault
    • Red – Smoke or CO detected, or in Hush mode
  • Central test button for easy, regular testing
  • Nuisance alarms can be silenced temporarily with the hush feature
  • Low battery and end of life audible warnings
  • Smoke and CO memory feature
  • Suitable for BS 5839-6: 2019 Grade F2 installations
  • CE marked and certified to:
    • BS EN 14604: 2005 – Smoke alarms
    • BS EN 50291-1: 2018 – Carbon monoxide alarms for domestic use
  • Supplied with fixings; 2 x screws and 2 x rawl plugs
Technical Data
Product Code KEK10SCO
Alternative Product Codes K10SCO, 10SCO, KE10SCO
Brand Kidde
Battery Type

2 x AA Alkaline Batteries (Included)

Dimensions (HxDia)

45 x 145mm


LED status indicators

Humidity Range

Up to 90% RH (non-condensing)

Mounting Options

Wall or Ceiling

Operating Temperature

-10°C to +40°C

Sensor Type

Smoke: Optical

CO : Electrochemical

Sound Output

85dB at 3 metres

Storage Humidity

5% to 95% RH (non-condensing)

Storage Temperature

-20°C to +60°C


10 years

Weight 0.36kg
Product Datasheets

Key Product Features

Fits on the original Kidde 10SCO base plate so no tools needed to replace your old alarm

Supplied with a coloured dust cover to prevent false alarms and sensor contamination

Front loaded battery compartment and powered by 2 x replaceable AA alkaline batteries

Loud 85dB siren and voice warnings depending on the danger detected

What's Included?

Every Kidde KEK10SCO is supplied with the following components.

  • 1 x Kidde K10SCO Combined Smoke & CO Alarm
  • 2 x AA Alkaline batteries
  • 1 x Screw fixing set (screws & rawl plugs)
  • 1 x Protective dust cover
  • 1 x Instruction manual

Pricing & Availability

Model Stock 1 unit 2+ units 5+ units
Product Code: KEK10SCO Stock Level:
More than 20 in stock Expected dispatch: 29th May
1 unit

£26.40 inc VAT

£22.00 ex VAT

2+ units

£25.80 inc VAT

£21.50 ex VAT

5+ units

£24.60 inc VAT

£20.50 ex VAT

Delivery Options

The following delivery options are available on this product.

Free Economy Delivery

Free of Charge - Orders will be delivered in 5-7 working days with Evri

Standard Delivery

£3.19 inc VAT - Orders will be delivered in 2-3 working days with Evri

Next Working Day Delivery

£6.19 inc VAT - Orders will be delivered the next working day with Evri

For dispatch today order within

Excellent Warranty

This product is supplied with a 10 year manufacturers warranty as standard

Customer Reviews

8 customers have given this product an overall rating of 4.5 out of 5

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.

Rating: 5 / 5 Stars

Reviewed by: J M

The third one of these I have purchased - they are excellent.

Published on: 17th April 2024

Rating: 5 / 5 Stars

Reviewed by: K S

Easy to operate and test Previously installed one from Safelincs in 2019 but it started to malfunction so replaced it

Published on: 26th March 2024

Rating: 4 / 5 Stars

Reviewed by: J S

, good alarm, clear which alarm is sounding Good quality product

Published on: 18th March 2024

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