Advanced Safety for Every Building
At ARM we Design, Install, Commission and Maintain the EDA Zerio Plus Wireless Fire Alarm System – developed by fire industry leaders in design and manufacture for over 30 years, Electro Detectors.
The wireless fire alarm system is simple to use, compact, and easy to install yet features advanced safety technology. Zerio Plus replaces the proven Zerio and Millennium systems as it combines the features of both systems.

The EDA Zerio Plus Radio Fire Alarm System Fits A Wide Range Of Applications Because:

The Zerio Plus wireless fire alarm system supports up to 240 individual devices distributed across a maximum of 100 zones, making it a highly adaptable solution for buildings of various types and scales. Where larger installations are needed, up to eight Zerio Plus systems can be interconnected to expand device capacity beyond a single system’s limits.
Built-in multi-path fault-tolerant signalling technology ensures dependable communication throughout the system, helping to reduce false alarms and maximise safety for building occupants.
System coverage can be further extended using either wireless or hard-wired signal repeaters. These are automatically configured during system set-up to optimise performance and maintain consistent, reliable coverage across the site.
The entire system is fully compliant with current UK fire safety legislation and is third-party certified to EN54 standards, providing peace of mind and trusted protection.
Advantages Of Radio Wireless Fire Alarms
Aiming to be the easiest to use wireless fire alarm system on the market, Zerio Plus governs users level of access depending on their password:
- Self Monitoring – showing any faults as they happen
- Fully EN54 Certified
- Suitable for Small Private Dwellings to Large Commercial Buildings
- Minimal Disruption
- Quick Installation
- Easy to Maintain
- Fully Addressable