Leak Sealers

Leak Sealers

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  1. £11.82 £9.85

    Sentinel Internal Leak Sealer 1L

    Ref: HCHE038

    • Ideal for sealing small leaks or weeping joints 
    • For use on all indirect central heating systems 
    • Non-toxic & non-irritant 
  2. £24.60 £20.50

    Sentinel Leak Sealer Rapid-Dose 300ml

    Ref: HCHE039

    • Leave-in additive for small leaks or weeping joints
    • Can be used on all types of indirect central heating systems
    • Will not cause blockages

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