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Rapid action – cleans heating systems in as little as 1 hour - LavaTap Sentinel X800 begins breaking down sludge, magnetite, and scale deposits within just one hour of circulation. Ideal for blocked or noisy systems where time is limited and power flushing isn’t required Improves efficiency to help reduce energy bills - By restoring heat transfer and flow, X800 helps your boiler and radiators run more efficiently. A cleaner system heats faster and uses less energy, supporting lower heating costs Pre-treatment before inhibitor dosing - Use X800 before applying a system inhibitor such as LavaTap Sentinel X100. Cleaning first removes debris that can block inhibitor action and ensures full protection against future corrosion Fixes cold spots and boiler noise caused by sludge - X800 helps resolve common issues like cold radiators, slow circulation, and boiler kettling. It’s a fast-acting solution for systems suffering from performance drop due to internal build-up Compatible with all heating systems and materials - Safe for sealed, open-vented, and combi boilers. X800 works with aluminium, copper, steel, and mixed-metal systems, making it suitable for both modern and older installations 1 litre treats up to 100 litres or 10 radiators - Formulated for standard domestic systems, one bottle treats up to 100 litres of water. Apply via radiator, filling loop, or dosing point. Flush thoroughly after use and follow with inhibitor