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Flomasta 0647 Central Heating Leak Sealer 500ml

Internal leak sealer for small, inaccessible leaks and weeping joints which reduce system pressure. Effective within 24 hours. Suitable for mixed metal systems, including aluminium. Does not cause blockages in circulator pumps or air vents. 500ml treats 100Ltr. 1 Year Guarantee

Price: £9.49 from Screwfix

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