A general purpose treatment for total protection against scale and corrosion in all types of indirect central heating systems including those containing aluminium. Will extend the life of the system a..

A unique life-long system treatment for the elimination of limescale and boiler noise. Safe to use in all types of indirect central heating systems and will quickly pay for itself in reduced fuel usa..

Flushes out flux and installation debris from new indirect central heating systems and those up to 6 months old. * An essential remedy against scale and sludge. * Powerful heavy duty cleaning action...

A ruthlessly efficient way to eliminate the build-up of magnetite sludge X400 is the quick and easy way to eliminate cold spots and restore full heat emission. * Restores circulation to part blocked r..

Sentinel X800 Jetflo Ultimate Cleaner is a heavy duty cleaning formulation designed to remove corrosion deposits and scale from boiler heat exchangers radiators and pipework in domestic central heatin..

New 500ml Bottle - provides the same protection as the traditional 1 litre bottle.Sentinel X100 Inhibitor provides protection for clean central heating systems against limescale and corrosion. Suitabl..