We recommend using system chemicals to clean and protect your central heating system and your radiators. When your central heating system is serviced annually, it is advised to put a system cleanser in your system and run it through as per the instructions prior to draining down. This will remove any sludge and dirt build up and allow your radiators to perform more efficiently. Read more on how to correctly maintain and bleed your radiators.
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  1. Fernox F4 E Xpress Leak Sealer - 400ml
    464 Available for Delivery
    £50.03 Incl. VAT
  2. Fernox F4 Super Concentrate Central Heating Leak Sealer 290ml
    36 Available for Delivery
    £22.63 Incl. VAT
  3. Fernox F4 LSI Leak Sealer 500ml
    228 Available for Delivery
    £38.77 Incl. VAT
  4. Fernox LS-X Leak Sealer 50ml
    5468 Available for Delivery
    £12.90 Incl. VAT
  5. Adey MC4 Leak Sealer - 500ml
    148 Available for Delivery
    £13.87 Incl. VAT
  6. Adey MCXS External Leak Sealer - 50ml
    193 Available for Delivery
    £4.50 Incl. VAT
  7. Adey MC4+ Rapide Leak Sealer - 300ml
    31 Available for Delivery
    £21.30 Incl. VAT
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