ADEY MC1+ Central Heating Inhibitor 500ml is formulated to prevent wear and tear and the resulting debris. It stops magnetite and other deposits forming, thereby protecting the central heating system. This keeps the boiler working efficiently and helps to ensure the system lasts longer. The inhibitor is a high-performance magnetite inhibitor and every bottle is performance tested. It is suitable for all heating systems and compatible with all metals. It is also Building Regulations Part L Compliant. ADEY MC1+ Protector Liquid 500ml is a high-performance central heating system protector designed to prevent both system corrosion and limescale deposition. It helps to maintain boiler and system efficiency, prevents the build-up of sludge and scale, and contributes to a longer system life.