Fernox F4 Leak Sealer
500ml
• 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 Uses:-
Fernox Leak Sealer F4 is used throughout domestic heating systems for sealing small inaccessible leaks. It works best in warm/hot circulating water and once evenly dispersed will usually be effective within 1-24 hours.
Fernox Leak Sealer F4 is suitable for all types of boiler including combination boilers and those containing aluminium components.
For long term protection against corrosion, the system should also be treated with a Fernox Protector.