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    Ensure the longevity and efficiency of your central heating system with Fernox water treatment solutions, available at Plumbco-online. Fernox is a leading manufacturer of innovative water treatment products that safeguard against corrosion, limescale buildup, and sludge formation, common issues that can lead to system breakdowns and costly repairs.

    Plumbco-online offers a wide selection of Fernox products to address various water quality challenges and protect your heating system from potential damage. Whether you need a system inhibitor to prevent corrosion, a limescale remover to eliminate buildup, or a sludge remover to clear existing deposits, Fernox has the solution for you.

    Invest in Fernox water treatment products and experience the benefits of a protected, efficient, and long-lasting central heating system. Shop our Fernox collection today and safeguard your investment.

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    Picture of Fernox F1 Central Heating Protector 500ml

    Fernox F1 Central Heating Protector 500ml

    Fernox F1 is the market leading Inhibitor to protect against rust and corrosion in heating systems.
    £22.33 incl tax
    Fernox F3 Central Heating Cleaner

    Fernox F3 Central Heating Cleaner

    Fernox F3 Central Heating Cleaner is a powerful, yet safe, product that removes sludge and debris from your boiler. This helps to improve your boiler's efficiency, extend its lifespan, and save you money on your energy bills.
    £22.76 incl tax
    Fernox Leak Sealer 500ml F4

    Fernox Leak Sealer 500ml F4

    Fernox Leak Sealer F4 is a fast-acting, long-lasting leak sealer that can stop leaks in your central heating system. It is safe to use on all types of boilers and pipes, and it will not damage your system.
    £22.21 incl tax
    Picture of Fernox Water Hawk 400g

    Fernox Water Hawk 400g

    Water Hawk is a jointing compound designed for use with hot and cold potable water. The non-toxic formulation is also WRAS approved.
    £8.03 incl tax