Ajax FireProtect 2 RB (Heat/Smoke) Wireless Fire Detector
Ajax FireProtect 2 RB (Heat/Smoke) Wireless Fire Detector
SKU:52251.136.BL1
Low stock
Couldn't load pickup availability
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.
Share

Collapsible content
🚚 Delivery
Delivery Information:
Fedex or DPD Next Day Delivery - Free Next Working Day Delivery - Purchases over £150(Mon - Fri) order before 3pm* purchases under £150 attract a £7.99 delivery fee.
*Please note: We cannot guarantee next day delivery or Saturday delivery due to the nature of couriers and possible delays. All items will be dispatched the same working day if ordered before 3pm.
Please note: We have a 1-2 Day Handling Time and We Currently Do not offer Collection or Next Day Delivery.
↩️ Return Policy
Returns and Refunds Policy
We want you to be completely satisfied with your order, but if there’s an issue, we’ve outlined the steps below to assist you.
We’re always here to help resolve any problems that may arise. Please contact us by email at sales@bcedirect.co.uk or by telephone on 01761 452997. As a small, independent, family-run business, we take great pride in our customer service. Our business hours are 9 am – 5 pm on weekdays. If we’re unavailable to take your call, please leave a message, and we’ll get back to you as soon as possible.
Damaged or Faulty Items
If your order arrives damaged or faulty, please contact us within 14 days of receipt to arrange a return and replacement.
- Faulty items will receive a free tracked 24 service label to return the product. Once we receive and inspect the item, we’ll dispatch a replacement via next-day delivery.
- If the item is not found to be faulty upon inspection, our standard returns process will apply, or the item can be returned to you at your cost.
Please Note: Items cannot be deemed defective if the issue arises due to customer actions or incorrect installation (e.g., forgotten passwords or user errors).
Change of Mind or Incorrect Orders
If you’ve changed your mind or ordered the wrong item, don’t worry! Contact us within 14 days to arrange a return.
- Returns will be arranged through DPD courier at a cost of £8.99, which will be deducted from your refund.
- A 10% restocking fee will also be deducted from the refund total (excluding delivery). This fee helps cover repackaging and labour costs incurred during the return process.
Conditions for Returns:
- Items must be unused, in the same condition as received, and returned in the original packaging.
- If items are returned in an unsatisfactory condition (e.g., damaged during installation by the customer), we reserve the right to deduct up to 40% of the final selling price. Photos of the damage will be provided upon request.
Non-Refundable Items:
- Equipment with broken seals will not be accepted for return, as these are classified as used by the manufacturer.
Important Notes:
- Serial numbers on electronic equipment will be verified against our records to prevent fraud.
- Original shipping costs are non-refundable, unless the order was lost in transit.
Refund Process
Refunds will be processed through the original payment method unless you prefer a credit note. Please allow 72 hours from receipt of the returned item for the refund to be processed.
- Most refunds are completed within 24 hours, but certain providers (e.g., PayPal credit or e-cheques) may take longer.
- We’ll send you an email confirmation once your refund has been authorised. If there are delays, we recommend contacting your bank or payment provider directly.
Additional Notes
- We are not responsible for any external labour costs incurred by the customer, especially if the fault arises from incorrect installation or user actions (e.g., forgotten passwords).
We’re committed to providing a positive shopping experience and resolving any issues that may arise. As a small business, we aim to make our policies transparent and fair, while also addressing the challenges we face in managing returns.
If you need further assistance, please don’t hesitate to contact us at 01761 452997 or via email at sales@bcedirect.co.uk.
📦 Bulk Pricing
Need a large quantity of this or another item? Get in touch for a bespoke quote. Please provide product codes where possible.
🤝 Need Some Help?
Please feel free to get in touch with our sales team. Use the contact us page- email sales@bcedirect.co.ukor give us a call on 01761 452997 we will be more than happy to chat through your requirements.
We're an Independent family run business.
Please feel free to get in contact if you need any help or further information on any of our products, give us a call on 01761 452 997 we're here to help.
Subscribe to our emails
Be the first to know about new collections and exclusive offers.