The Instinct 15mm Electrolytic Scale Inhibitor is a simple, effective solution for reducing limescale build-up in domestic plumbing and heating systems. Designed for use in hard water areas, it helps protect boilers, hot water cylinders, taps and showers from the damaging effects of scale, improving system efficiency and lifespan.

Fitted inline using standard 15mm compression connections, it�s suitable for both whole house protection or individual appliance installs, including combi boilers. Using electrolytic technology, it works without chemicals or ongoing maintenance, making it a reliable, low-cost way to reduce limescale and support long-term system performance.