Interlinked Optical Smoke, Heat, and CM Alarm
Multipack all with 10-Year Tamper-Proof Battery, White, Contains 1x Smoke Alarm, 1x Heat Alarm, 1x Carbon Monoxide Alarm
£97.65
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FXO Interlinked Optical Smoke, Heat & Carbon Monoxide Alarm System
The FXO Interlinked Optical Smoke, Heat and Carbon Monoxide Alarm System provides complete protection by combining smoke, heat and CO detection into one connected system. Each device works together wirelessly so that when one alarm is triggered, all alarms sound simultaneously, providing early warning throughout the property. This makes it an ideal solution for homes, HMOs, rental properties and commercial environments where full coverage is essential.
Key Features
• Complete interlinked alarm system including smoke, heat and CO detection
• When one alarm activates, all connected alarms sound simultaneously
• Optical smoke sensor for fast detection and reduced false alarms
• Heat detection via thermistor for kitchens and high-risk areas
• Electrochemical CO sensor for accurate carbon monoxide detection
• 10-year sealed tamper-proof battery for long-term reliability
• Certified to BS 5446-2 standards for domestic fire detection
• Ideal for homes, HMOs, rental properties and commercial premises
Frequently Asked Questions
What is an interlinked smoke, heat and carbon monoxide alarm system?
An interlinked alarm system connects multiple devices so that when one alarm detects smoke, heat or carbon monoxide, all alarms in the property sound together to provide early warning.
Why should I use a combined alarm system?
A combined system provides full coverage across different types of hazards, ensuring protection from fire and carbon monoxide with a single integrated solution.
Where should these alarms be installed?
Smoke alarms should be installed in hallways and living areas, heat alarms in kitchens and garages, and carbon monoxide alarms in rooms with fuel-burning appliances.
Does this system require wiring?
No. This is a wireless interlinked system powered by sealed 10-year batteries, making installation simple without the need for wiring.
For additional protection, view our full range of interlinked smoke alarms, heat alarms and carbon monoxide alarms.





















