Sentinel products protect heating and hot water systems by providing best practice solutions and products internationally.

Sentinel have a comprehensive range of products supported by approachable experts to help you achieve best practice protection for domestic and commercial systems, protecting against limescale, corrosion and accompanying problems which can cause inefficiency or failure.


  • Sentinel X100 Inhibitor

    Sentinel X100 Inhibitor

    Sentinel X100 Inhibitor provides protection for clean central heating systems against limescale and corrosion. Suitable for use in all types of indirect central heating system, Sentinel X100 Inhibitor will extend the life of the system, ensuring maximum efficiency and minimising fuel usage.

  • Sentinel X800 JetFlo Ultimate Cleaner

    Sentinel X800 JetFlo Ultimate Cleaner

    A heavy-duty, multi-purpose cleaner, Sentinel X800 JetFlo Ultimate Cleaner quickly removes corrosion deposits and scale from older systems. Developed especially for use with powerflushing machines to provide a more rapid and effective clean, it restores circulation to old, dirty heating systems and prepares new systems for the addition of Sentinel X100 Inhibitor.

  • X400 System Restorer

    X400 System Restorer

    Sentinel X400 System Restorer is specifically designed for cleaning older central heating systems. It is a non-acid treatment which restores circulation to radiators and pipework. Its ruthlessly efficient formula shifts built-up magnetite sludge, eliminating cold spots in radiators and restoring proper heat distribution.



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