

Product information
Protect your property from fire with the Ajax FireProtect 2 RB (Heat/Smoke) - an advanced wireless fire detector that combines smoke and heat sensors with a powerful built-in siren. Featuring dual-spectrum optical smoke detection and rapid temperature monitoring, this intelligent device provides early fire warning and can alert everyone in the building, even when your Ajax system is disarmed.
Key Features:
- Dual smoke and heat detection in one device
- Built-in 85dB siren for local audible alerts
- Advanced dual-spectrum optical smoke sensor
- Rapid heat detection with temperature monitoring
- Wireless communication via encrypted Jeweller protocol
- Up to 1700m range to Ajax Hub (open space)
- Battery life up to 7 years with pre-installed battery
- Interconnected alarm - all FireProtect devices sound together
- Works independently even if Hub is offline
- Complies with EN 14604 fire safety standards
Dual Detection Technology:
Smoke Detection: The advanced dual-spectrum optical sensor detects both smouldering and flaming fires by analysing two infrared wavelengths. This technology distinguishes genuine smoke from steam, dust, and vapour, significantly reducing false alarms while ensuring rapid fire detection.
Heat Detection: The precision thermistor monitors temperature changes and triggers an alarm when temperature rises rapidly or exceeds 64°C, providing additional protection in areas where smoke detection alone may not be suitable.
Built-In Siren Benefits:
- 85dB audible alarm alerts occupants immediately
- Sounds even when Ajax system is disarmed
- All interconnected FireProtect devices activate together
- Provides warning even if Hub loses power or connection
- Complies with fire safety regulations for audible warnings
- Can be heard throughout typical residential properties
Smart Features:
- Instant push notifications to all users via Ajax app
- Real-time temperature monitoring in Ajax app
- Self-test function checks sensors automatically
- Dust chamber contamination alerts
- Battery status monitoring and low battery warnings
- Tamper protection alerts if detector is removed
- LED indicator for visual status confirmation
- Test button for manual alarm verification
Interconnection & Automation:
- All FireProtect devices in system sound alarm together
- Trigger Ajax automation scenarios on fire detection
- Activate sirens, unlock doors, or send alerts
- Integration with Ajax Relay for emergency actions
- Works with Ajax security and smart home devices
Technical Specifications:
- Detection types: Smoke (dual-spectrum optical) + Heat (thermistor)
- Heat alarm threshold: 64°C or rapid temperature rise
- Siren volume: 85dB at 3 metres
- Communication: Jeweller radio protocol (868 MHz)
- Range to Hub: Up to 1700m (open space)
- Power supply: CR123A battery (pre-installed)
- Battery life: Up to 7 years
- Operating temperature: 0°C to +50°C
- Humidity: Up to 95% (non-condensing)
- Dimensions: 115mm diameter x 35mm height
- Certification: EN 14604 compliant
What's Included:
- Ajax FireProtect 2 RB detector
- CR123A battery (pre-installed)
- SmartBracket mounting panel
- Fixings and screws
- Quick start guide
- Warranty card
Requirements:
- Ajax Hub, Hub Plus, or Hub 2 (sold separately)
- Ajax mobile app (iOS/Android)
Installation Recommendations:
- Install on ceiling in centre of room
- One detector per room recommended
- Mandatory in bedrooms, hallways, and living areas
- Avoid installation near bathrooms or kitchens (steam)
- Keep away from air vents and fans
- Regular testing recommended (monthly)
Ensure comprehensive fire protection for your home or business with Ajax FireProtect 2 RB. The combination of advanced dual detection, built-in siren, and smart connectivity provides reliable early warning and peace of mind that your property and loved ones are protected 24/7.