Fernox is a leading brand in water treatment solutions for domestic and commercial heating systems. With decades of expertise, Fernox offers a comprehensive range of products including central heating system cleaners, inhibitors, leak sealers, and filters designed to improve efficiency, extend system lifespan, and reduce energy consumption. Trusted by professionals worldwide, Fernox is known for its innovative, environmentally responsible formulas and advanced product engineering. Whether you’re looking to protect a new boiler installation or maintain an existing system, Fernox provides reliable solutions to keep heating systems running at peak performance.