Sentinel

  Sentinel X100 Corrosion Inhibitor Chemical   Sentinel X100 corrosion inhibitor for boilers provides protection for clean central heating systems against limescale...

Sentinel Products X100 Rapid Dose Quick Test Kit Test your water system for proper concentration of Sentinel X100 corrosion inhibitor chemical.  Test Kit: 2x Molybdate No. 1 Reagent 2x...

    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...