FireAngel HM-SN-1 Mains Powered Enhanced Heat Alarm with 10 Year Lithium Battery Back-Up

The FireAngel HM-SN-1 Enhanced Heat Alarm is a professional-grade, mains powered heat detector with a sealed 10 year lithium battery back-up, designed to provide dependable fire detection in high-risk areas. Engineered with installers in mind, it offers fast response, long service life, and optional wireless interlinking.

Part of the FireAngel Specification range, this heat alarm meets current UK legislation and is ideal for domestic and social housing installations where reliable, nuisance-free heat detection is required.

Advanced Thermistek™ Heat Sensing Technology

The HM-SN-1 provides Class A1 heat detection (54°C–65°C) and features FireAngel’s innovative Thermistek™ technology. This combines a patented radiant heat dish, high-performance thermistor, and predictive monitoring to deliver a faster response to rapidly developing fires, particularly in kitchens.

Smart RF Ready for Wireless Interlinking

This alarm is Smart RF ready, allowing wireless interconnection when a compatible Smart RF module is fitted. Multiple alarms can be linked together to form a comprehensive fire safety network across the property. It is also compatible with the FireAngel Connected Home Solution when used with a gateway.

Key Features & Benefits

• Mains powered with sealed 10 year lithium battery back-up
• Class A1 heat detection (54°C–65°C)
• Advanced Thermistek™ heat sensing technology
• Faster response to kitchen and high-risk fires
• Smart RF ready for optional wireless interlinking
• Compliant with BS 5446-2:2003
• Compatible with FireAngel Connected Home systems
• Supplied with dust cap to protect during installation or decoration
• Ideal for domestic and social housing projects

Recommended Installation Areas

• Kitchens
• Garages
• Lofts

Data Sheet:

View the FireAngel HM-SN-1 Data Sheet

Instruction Manual:

View the FireAngel Instruction Manual