A heavy duty cleaning formulation designed to remove corrosion deposits and scale from boiler heat exchangers radiators and pipework in domestic central heating systems.

Ideal when weeping joints and small leaks do not warrant immediate repair.

The Sentinel SESI is an electrolytic scale inhibitor that can provide a cost-effective solution to help tackle limescale build-up. It provides a long term solution which protects the whole house without introducing any unwanted chemicals to drinking water...