General purpose treatment for total protection against scale and corrosion. For use in all types of indirect central heating systems, including those containing aluminium. Non-acidic. 1 Year Guarantee Ensures Optimum Boiler Efficiency Protects against...

For cleaning older central heating systems. Restores circulation to radiators and pipework by removing built-up magnetite sludge, eliminating cold spots in radiators and restoring proper heat distribution. Multi-location application combined with twist...

Apply to existing systems for the removal of sludge and deposits. Iron oxide is broken down and dispersed through flushing. Removes Sludge Breaks Down Iron Oxide

Internal Leak Sealer for small inaccessible leaks and weeping joints in all types of indirect heating systems including those containing aluminium components. Compatible with elastomers. 1 Year Guarantee

Life-long system treatment for the elimination of boiler noise. Reduces fuel usage. Safe to use in all types of indirect central heating systems. Non-acidic. Suitable for All Boiler Types Restores Boiler Efficiency Eliminates Kettling No Need to Flush...

500ml central heating filter for powerful magnetic filtration of system debris. Manufactured using high quality brass valves and Powerful 9000 Gauss magnet assembly with innovative Vortex Core. 360° positionable T-piece. Equipped with dual seals, with...

Ultra-compact filter for powerful magnetic filtration of system debris. Easily sited above or below the boiler with straightforward installation and servicing. 360˚ rotational T-piece allows flexibility in fitting. 10 Year Manufacturer’s Guarantee...

Ultra-compact filter for powerful magnetic filtration of system debris, bundled with Sentinel X100 inhibitor; a heavy duty inhibitor to protect against limescale and corrosion. Suitable for hard, soft and artificially softened water. Helps prevent the...

Protects heating systems against damaging debris that can build up over time. Combines powerful magnetic filtration technology with a compact easy to fit body. Equipped with dual-seals, an anti-tamper drain valve and a 360° positionable T-piece. 10...

For use with water quality testing app, which can be used without Wi-Fi. Kit quickly and effectively tests water system quality for dissolved copper, pH and alkalinity. Results and guidance provided at each step of the process. Automatically creates PDF...