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Fernox F1 Express Central Heating Protector 400ml

Provides long term protection of domestic central heating systems against internal corrosion and limescale formation. Prevents corrosion of all metals found in these systems. Quick and convenient, doses in only 30 seconds. Maintains system efficiency and extends boiler life. Suitable for use with all metals and materials including aluminium. 1 Year Guarantee Non-Toxic, Environmentally Friendly Formulation Protects Against Corrosion & Limescale

Price: £16.99 from Screwfix

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