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Sona Wi-Safe 2 WCOB-SN-1 Wireless Carbon Monoxide Detector & Alarm (Discontinued)

Product Code: WCOB-SN-1

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Sona Wi-Safe 2 WCOB-SN-1 Wireless Carbon Monoxide Detector & Alarm - Discontinued Key Features

This product has now been discontinued

  • Advanced electrochemical sensor for early warning
  • Designed to resist false alarms caused by regular household contaminants
  • Sealed for life 10 year battery
  • Kitemarked to BS EN 50291-1 & 2: 2010
  • 5 year manufacturer warranty
  • Mixed system compatibility, suitable for wireless linking
  • 85dB sounder
  • Combined test/silence/locate button
  • Intelligent locate feature for quick identification of triggered devices
  • Silence function for low battery chirp
  • Single pin fitting option
  • End of life indicator
  • Connect wirelessly to the network with a simple 2 button process

Product Information

This product has been discontinued and is for information purposes only.

The SONA WCOB-SN-1 is a carbon monoxide detector with a tamper-proof sealed for life battery and wireless interlinking capabilities. Under typical usage conditions it has a battery life of 10 years.

Its advanced electrochemical sensor measures even low levels of carbon monoxide accurately, providing early warning whilst resisting false alarms caused by regular household contaminants 

'Sleep Easy' functionality enables the low battery chirp to be silenced for an 8 hour period (this function can be used up to a maximum of 10 times). When the combined test/silence/locate button is pressed on any device on the network, all connected devices except the device that was triggered will be silenced, offering easy identification of the unit in alarm.

This product is approved to BS EN 50291-1 & 2: 2010, ETSI EN 300 220-2 V2.3.2 (2010-02), EN300489-1 & 3 and EN300220-2 - Radio. The manufacturer warranty period is 5 years.


This alarm can be linked wirelessly with up to 50 compatible devices. When any device on the system is activated, the 85dB sounders will sound on every other interlinked unit.

Pack Contents

  • Wall Fixings
  • Instruction Manual

Compatible Devices

The below devices are compatible with the SONA WCOB-SN-1 Wireless Carbon Monoxide Alarm:

Model Number  Model Type Interconnection Type 
WTSL-SN-1 SONA WTSL-SN-1 Control Unit Wireless
WHM-SN-1 SONA WHM-SN-1 Wireless Heat Alarm Wireless
WSM-SN-1 SONA WSM-SN-1 Wireless Smoke Alarm Wireless

Technical Details

Manufacturer: SONA
Product Code: WCOB-SN-1
Supply Voltage: 3V DC sealed lithium battery
Technology: Electrochemical Sensor and Wi-Safe 2
Alarm Sound Level: 85dB (A) at 3m (minimum)
Installation Positions: Ceiling, free standing, wall, portable
Operating Temperature: +4℃ to +38℃
Operating Humidity: Up to 90% RH non-condensing
Storage Temperature: -20℃ to +60℃
Storage Humidity: Up to 93% RH non condensing
Plastic Material: ABS - UL94 V0 flame retardant
Warranty: 5 years
Approvals: BS EN 50291-1 & 2: 2010
ETSI EN 300 220-2 V2.3.2 (2010-02)
EN300489-1 & 3
EN300220-2 - Radio
Operating Frequency: 868MHz
Max No. of Connected Units: 50 wireless units
Range: 35m (over 200m in clear air)
Dimensions: 94mm x 114mm

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