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Fernox F4 Central Heating Leak Sealer 500ml
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£22.79
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£19.00
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PRICE INCENTIVE: Leak Sealer F4 is a internal leak sealer developed for use throughout a central heating system to seal small, inaccessible leaks and weeps which may cause pressure loss and boiler breakdown. Once dispersed within the system, the product finds the area of oxygen ingress and forms a p...
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