Our Technology
Copper Silver Ionisation
A proven, chemical-free approach to Legionella prevention and water treatment — trusted by hospitals, hotels, and industrial facilities worldwide.
How It Works
Copper silver ionisation (CSI) is an established water treatment technology that uses low-level electrical current to release copper and silver ions into a water system. These ions are highly effective at eliminating Legionella bacteria and other harmful microorganisms.
Unlike chemical disinfection methods, CSI leaves no harmful by-products, requires minimal maintenance, and provides long-lasting residual protection throughout the entire water distribution system.
The Process
Ion Generation
A low-voltage DC current passes through copper and silver electrodes inside the flow cell, releasing positively charged ions into the water.
Ion Distribution
Copper and silver ions travel throughout the entire water distribution system, reaching every outlet and dead leg where bacteria can harbour.
Bacterial Elimination
Ions bind to the cell walls of Legionella and other bacteria, disrupting their metabolism and preventing reproduction — achieving up to 99.9% elimination.
Residual Protection
Unlike chlorine, copper and silver ions remain active in the system, providing continuous protection without the need for repeated dosing.
Key Advantages
Chemical-Free
No hazardous chemicals required — safe for occupants, maintenance staff, and the environment.
Global Approvals
Necon is the only Irish company with its own globally approved copper silver ionisation product, certified across multiple international standards.
Proven Efficacy
Decades of independent research and real-world deployments confirm up to 99.9% reduction in Legionella counts.
Low Maintenance
Automated ion control with minimal operator intervention — our systems monitor and adjust ion levels continuously.
Cost Effective
Significantly lower running costs compared to thermal disinfection or continuous chemical dosing programmes.
Scalable Systems
From small 1KG flow cells for single buildings to large 16KG units for major industrial or healthcare facilities.
Certifications & Approvals
Necon Technologies holds approvals from leading international bodies, making our copper silver ionisation systems among the most rigorously tested and certified in the world.
WRAS Approved
Water Regulations Advisory Scheme (UK)
CE Marked
European Conformity
ISO 9001
Quality Management System
HSE Guidelines
Irish Health Service Executive Compliant
Ready to Protect Your Water System?
Find a distributor or talk to our team about the right copper silver ionisation solution for your facility.