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 X100 Rapid-Dose Inhibitor has been formulated as a multipurpose treatment to prevent sludge build-up over time in heating systems. Designed for easy dosing to the system quicker than ever,...

  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...