Mains-powered heat alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat. Once interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.

• Alarm memory identifies source unit within interconnecting network.
• Reduce energy consumption - lower lifetime running costs.
• Combined Test/Hush button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms.
• Auto rest after activation.
• Tamper-resistant locking device prevents unauthorised removal without the use of a tool.
• Mains operation - 9V Alkaline back-up battery supplied as standard.