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Fernox Internal Leak Sealer 500ml


£16.42 inc VAT £13.68 ex VAT
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The innovative Fernox Internal Leak Sealer 500ml will seal all those small, internal leaks that you otherwise cannot gain access to.

A leak in your heating system, however small, can affect its performance and reliability and, at the same time, cost you money. Now, thanks to this internal leak sealer, you can seal them quickly and effectively without needing to call in a plumber.

The Fernox Internal Leak Sealer works best when the water is warm and circulating the system, and will become effective after between 1 -24 hours depending upon how many leaks you have, and their size, location, and severity.

Compatible and safe to use with all of the metals and other materials that are commonly found in central heating systems, you can rest assured that this Fernox Internal Leak Sealer will successfully maintain your heating system without jeopardising its performance.

Features And Benefits
  • Ideal for reducing pressure loss from sealed systems
  • Seals most weeps and small inaccessible leaks
  • Saves time and money on draining down and repairing
  • Does not cause blockages of pump, air vents etc.
Product Name Fernox Internal Leak Sealer 500ml
Brand Fernox
Range F Range
Model Number F4
Product Height 185.0 mm
Product Width 87.0 mm
Product Length 185.0 mm
Product Depth 57.0 mm
Volume 500.0 ml
Product Type Leak Sealer
Manufacturer Part Number 56603