Description
Volume (Litres) | 500ml |
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Fernox Leak Sealer F4 is used throughout domestic heating systems for sealing small, internal, inaccessibleleaks.
Leak Sealer F4 works best in warm/hot circulating water and once evenly dispersed will usually beeffective within 1 – 24 hours.
The sealing efficiency of Leak Sealer F4 has been intentionally limited to preventblockage of safety devices, pumps, etc.
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
- Compatible with all metals and materials commonly used in central heating systems
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