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    Fernox Leak Sealer 500ml F4 Fernox Leak Sealer 500ml F4

    Fernox Leak Sealer 500ml F4

    Manufacturer: Fernox
    Be the first to review this product
    The Fernox Leak Sealer 500ml F4 is an effective internal leak sealer designed to permanently repair small leaks and weeps in central heating systems. Easy to apply, this reliable solution minimises system pressure loss and helps maintain optimal system performance.
    SKU: 56603
    Availability: 4 in stock
    £22.21 incl tax
    i h
    Delivery date: 1-2 days

    • Ideal for reducing pressure loss from sealed systems

    • Seeks out and seals inaccessible, internal microscopic leaks fast

    • Saves time and money on draining down the system and repair costs

    • Safe to use – does not cause blockages in pipework or vulnerable boiler components such as pumps, air vents and heat exchangers

    • Designed to be left permanently in the system – compatible with all metals and materials, including aluminium

    • One 500ml recyclable bottle treats up to 130 litres of system water (16 radiators) and the equivalent of 250m2 of underfloor systems.

    Products specifications
    Product Type Leak Sealer
    Manufacturer Fernox
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    Fernox Leak Sealer 500ml F4

    Fernox Leak Sealer 500ml F4

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    The Fernox Leak Sealer 500ml F4 is an effective internal leak sealer designed to permanently repair small leaks and weeps in central heating systems. Easy to apply, this reliable solution minimises system pressure loss and helps maintain optimal system performance.
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