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Leak Sealer

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Sentinel Leak Sealer 1L
Got pinhole leaks or weeping joints? Sentinel Leak Sealer fixes them in 24 hours, it boosts central heating leak repair...
Lifetime Warranty
£19.99inc.VAT
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Fernox LS-X External Leak Sealer
Fernox LS-X: Fast, Reliable Leak Sealer & Jointing Paste Seal leaks instantly with Fernox LS-X, a powerful silicone paste for...
Lifetime Warranty
£7.99inc.VAT
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Fernox Leak Sealer F4 Express (aerosol) 400ml
Seal leaks fast with Fernox Leak Sealer F4 Express, the ultimate internal leak sealer for central heating systems. This market-leading...
Lifetime Warranty
£33.99inc.VAT
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Fernox Leak Sealer F4 (liquid) 500ml
Fix leaks and boost your central heating system with Fernox Leak Sealer F4, the top choice for sealing small, hard-to-reach...
Lifetime Warranty
£21.99inc.VAT
Add to basket

Leak Sealer

System Care

Price

Need help building your perfect system?

FREE System Design & Quote Service

Price

Sentinel Leak Sealer 1L

Fernox LS-X External Leak Sealer

Fernox Leak Sealer F4 Express (aerosol) 400ml

Fernox Leak Sealer F4 (liquid) 500ml

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