Sentinel

    SENTINEL X100RD RAPID DOSE INHIBITORSentinel X100RD Rapid Dose Inhibitor provides protection for clean hydronic heating systems against limescale and corrosion. Suitable for use...

  Sentinel X400 High-Performance Heating System Restorer and Radiator Cleaner is specifically designed for cleaning older central heating systems. It is a non-acid treatment which restores...

  Sentinel X400 High-Performance Cleaner is specifically designed for cleaning older central heating systems. It is a non-acid treatment which restores circulation to radiators and pipework...