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Fernox F4 56603 Leak Sealer 500ml


– Quick and convenient – doses in 30 seconds
– Simple to use with no mess
– Added via a radiator adapter or filling loop supplied
– Non-toxic, environmentally friendly formulation
– Seeks out and seals most weeps and leaks

Only £13.29 Ex VAT
  • Summary

    Used throughout domestic heating systems for sealing small, internal, inaccessible leaks. Leak Sealer F4 works best in warm/hot circulating water and once evenly dispersed will usually be effective within 1 – 24 hours. The sealing efficiency of Leak Sealer F4 has been intentionally limited to prevent blockage of safety devices, pumps, etc. Compatible with all metals and materials commonly used in central heating systems.

  • Specifications

    Colour: Off white
    Product Type: Leak Sealer
    Volume: 500ml
    Range: F Range

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