Product Description
The AJAX#53154 Ajax FireProtect 2 SB (Heat/CO) Jeweller White/Black is a professional wireless heat and carbon monoxide detector engineered to provide advanced life safety protection for residential and commercial properties. Featuring highly accurate heat detection, a long-life chemical CO sensor, Ajax Jeweller encrypted communication technology, and sealed batteries with up to 10 years of operation, this detector delivers dependable fire and carbon monoxide monitoring with minimal maintenance requirements. Its intelligent alarm algorithms, interconnected alarm capability, and built-in 85dB siren ensure rapid warning of dangerous conditions.
What's Included in the Box

Main Features
Combined Heat & Carbon Monoxide Protection
The AJAX#53154 provides dual protection against:
Offering enhanced life safety protection in homes, offices, apartments, and commercial facilities.
Advanced Heat Detection Technology
The detector complies with Class A1R heat detector requirements and activates when:
Providing fast response to developing fire conditions.
Professional Carbon Monoxide Detection
Equipped with a long-life chemical CO sensor capable of detecting dangerous carbon monoxide concentrations.
Alarm activation:
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Above 50 ppm within 90 minutes
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Above 100 ppm within 40 minutes
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Above 300 ppm within 3 minutes
The detector continuously monitors CO levels to protect occupants from potentially life-threatening exposure.
10-Year Carbon Monoxide Sensor Life
The integrated CO sensor provides:
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Up to 10 years operational lifespan
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Stable long-term performance
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Reliable monitoring throughout its service life
After 10 years, replacement of the detector is recommended.
Jeweller Wireless Communication Technology
Ajax Jeweller technology provides:
Wireless communication range:
Built-In 85 dB Siren
The integrated sounder delivers:
Providing immediate local notification when hazardous conditions are detected.
Interconnected Alarm Functionality
Supports:
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Primary interconnection
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Fallback interconnection
When one compatible FireProtect 2 detector activates, all connected detectors can sound simultaneously, ensuring building-wide warning.
Intelligent LED Status Indicators
Easy-to-understand visual indicators provide real-time device status.
Green LED
Yellow LED
Red LED
One-Touch Testing & Silencing
The front panel button allows users to:
Advanced Anti-Sabotage Protection
Built-in security measures include:
Providing reliable operation and protection against interference.
Long-Life Sealed Batteries
Powered by:
Benefits include:
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Up to 10 years battery life
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No battery replacement required
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Reduced maintenance costs
SKU
AJAX#53154
Detailed Specifications
| Specification |
Details |
| Product Code |
AJAX#53154 |
| Product Name |
FireProtect 2 SB (Heat/CO) Jeweller |
| Device Type |
Wireless Heat & Carbon Monoxide Detector |
| Communication Technology |
Jeweller |
| Wireless Range |
Up to 1,700 m |
| Heat Detection Standard |
Class A1R |
| High Temperature Alarm |
Above 64°C |
| Temperature Rise Alarm |
More than 10°C per Minute |
| CO Sensor Type |
Chemical CO Sensor |
| CO Sensor Life |
10 Years |
| CO Alarm Thresholds |
50 ppm, 100 ppm, 300 ppm |
| Built-In Siren |
Yes |
| Siren Volume |
85 dB at 3 m |
| Interconnected Alarms |
Yes |
| Fallback Interconnection |
Yes |
| LED Indicators |
Green, Yellow, Red |
| Tamper Alarm |
Yes |
| Device Authentication |
Yes |
| Communication Failure Detection |
Within 15 Minutes |
| Power Supply |
2 Sealed Lithium Batteries |
| Battery Life |
Up to 10 Years |
| Operating Temperature |
0°C to +50°C |
| Operating Humidity |
Up to 80% |
| Protection Rating |
IP20 |
| Dimensions |
44 × 86 × 86 mm |
| Weight |
145 g |
| Installation Environment |
Indoor |
| Available Colours |
White, Black |
| Warranty |
24 Months |
Warranty Information
24-Month Manufacturer Warranty
The Ajax FireProtect 2 SB (Heat/CO) Jeweller is backed by a comprehensive 24-month manufacturer warranty.
About Ajax Systems
Ajax Systems is a leading global manufacturer of professional security and life safety solutions. Its products are trusted worldwide for delivering reliable protection, innovative technology, encrypted communication, and user-friendly management platforms.

Practical Use Scenarios
Residential Carbon Monoxide Protection
Ideal for:
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Homes
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Apartments
-
Townhouses
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Holiday properties
Providing protection against invisible carbon monoxide hazards.
Commercial Fire & CO Monitoring
Suitable for:
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Offices
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Hospitality venues
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Medical facilities
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Educational buildings
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Retail stores
Offering comprehensive heat and CO detection.
Boiler & Utility Rooms
Perfect for monitoring:
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Heating equipment
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Gas appliances
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Plant rooms
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Utility areas
Where carbon monoxide risks may be present.
Interconnected Building Safety Systems
Works seamlessly within Ajax fire protection systems to deliver building-wide alarm notification.
Datasheets & Resources
Available resources include:
Excellence for the Australian and New Zealand Market
The AJAX#53154 Ajax FireProtect 2 SB (Heat/CO) Jeweller White/Black has been developed to provide dependable heat and carbon monoxide protection for Australian and New Zealand residential and commercial environments. Its advanced sensing technology, encrypted wireless communication, long-life battery design, and interconnected alarm functionality make it an excellent solution for modern life safety applications.
Key benefits include:
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Genuine Ajax Systems product
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Heat and carbon monoxide detection
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Long-life chemical CO sensor
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Up to 10-year sensor lifespan
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Class A1R heat detection
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85 dB built-in siren
-
Jeweller encrypted wireless communication
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Up to 1,700m communication range
-
Interconnected fire alarm functionality
-
Fallback alarm capability
-
Device authentication
-
Tamper protection
-
Sealed batteries with up to 10 years life
-
Available in White and Black
-
Professional-grade life safety solution
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24-month manufacturer warranty
FAQs
What is AJAX#53154 used for?
The AJAX#53154 is designed to detect dangerous heat increases and carbon monoxide (CO) levels within indoor environments.
Does AJAX#53154 detect smoke?
No. The AJAX#53154 provides heat and carbon monoxide detection only. For smoke detection, consider the FireProtect 2 Heat/Smoke or Heat/Smoke/CO models.
How long does the CO sensor last in AJAX#53154?
The chemical CO sensor in AJAX#53154 is designed to operate for up to 10 years.
What is the wireless range of AJAX#53154?
The AJAX#53154 provides wireless communication distances of up to 1,700 metres in open-space conditions.
Does AJAX#53154 include a built-in siren?
Yes. The AJAX#53154 includes an integrated 85 dB siren for local alarm notification.
Can AJAX#53154 activate other FireProtect detectors?
Yes. The AJAX#53154 supports interconnected alarm functionality with compatible Ajax FireProtect detectors.
Is AJAX#53154 suitable for commercial installations?
Yes. The AJAX#53154 is suitable for residential and commercial applications where heat and CO detection are required.
What colours are available for AJAX#53154?
The AJAX#53154 is available in White and Black.
How long do the batteries last in AJAX#53154?
The sealed lithium batteries in AJAX#53154 provide up to 10 years of operation.
Does AJAX#53154 include a warranty?
Yes. The AJAX#53154 includes a 24-month manufacturer warranty.