Leak Sealers

Leak Sealers

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  1. Sentinel Internal Leak Sealer
    £10.80 £9.00
    Sentinel Internal Leak Sealer

    Ref: HCHE038

    • Ideal for sealing small leaks or weeping joints 
    • For use on all indirect central heating systems 
    • Non-toxic & non-irritant 
  2. Leak Sealer F4 Express
    £21.12 £17.60
    Fernox F4 Express Leak Sealer (Aerosol) 400ml - 62422

    Ref: HCHE434

    • Quick & convenient – doses in 30 seconds
    • Simple to use with no mess
    • Added via a radiator adapter or filling loop supplied
  3. Fernox Superconcentrate Ch Leak Sealer 290ml Box F4
    £23.06 £19.22
    Fernox Superconcentrate Ch Leak Sealer 290ml Box F4

    Ref: HCHE012

    • Seeks Out and Seals Most Weeps and Small Inaccessible Leaks
    • Ideal for Reducing Pressure Loss from Sealed Systems
    • Easily and Quickly Added Via One of the Radiators
  4. Leak Sealer F4 500ml
    £16.42 £13.68
    Fernox F4 CH Leak Sealer 500ml

    Ref: HCHE401

    • Ideal for reducing pressure loss from sealed systems 
    • Seals most weeps and small inaccessible leaks 
    • Saves time and money on draining down and repairing 
  5. LS-X Ext Leaksealer 50ml
    £5.17 £4.31
    Fernox LS-X Ext Leaksealer 50ml - 61016

    Ref: HCHE403

    • Size: 50ml
    • Ideal for use on compression joints and screwed fittings
    • Never sets rock hard, joints can easily be undone
  6. Magnaclean MC4 Liquid Leak Sealer 500ml
    £19.33 £16.11
    Magnaclean MC4 Liquid Leak Sealer 500ml

    Ref: HCHE154

    • High performance leak sealer 
    • Seals inaccessible leaks and weeping joints 
    • Reduces pressure loss on sealed systems 

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