Chemical-free, low-energy solution offers sustainable limescale prevention for domestic and commercial heating systems.
What is the Caleffi eCAL®?
The Caleffi eCAL® is an innovative electrolytic anti-scale device designed to combat one of the most persistent challenges facing British heating systems: limescale caused by hard water.
Limescale buildup affects millions of homes and commercial systems across hard water regions of the UK, leading to reduced system efficiency, higher energy bills, and costly maintenance. The Caleffi eCAL® offers a smart, sustainable, and maintenance-free alternative to chemical water softeners and traditional magnetic filters.
How does the Caleffi eCAL® work?
The Caleffi eCAL® is an inline electrolytic treatment device that prevents limescale formation without altering water chemistry. It works by using a low-voltage electric field to convert calcium and magnesium ions into stable aragonite microcrystals, which remain suspended in the flow and are flushed out naturally, rather than forming scale on heating elements and pipework.
An integrated stainless steel filter (50 μm) captures suspended particles, while a high performance neodymium magnet traps ferromagnetic impurities, delivering dual protection for potable systems.
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