Fernox F4 Central Heating System Leak Sealer (LSI) 500ml

Name: Fernox F4 Central Heating System Leak Sealer (LSI) 500ml
Brand: Fernox

Fernox

Fernox F4 leak sealer\n\n--Ideal for reducing pressure loss from sealed systems.\n\n--Seals most weeps and small inaccessible leaks.\n\n--Saves time and money on draining down and repairing.\n\n--Does not cause blockages of pump, air vents etc.\n\n Compatible with all metals and materials commonly used in central heating systems.\n\n Product Uses:\n\n--Fernox Leak Sealer F4 is used throughout domestic heating systems for sealing small, internal, inaccessible leaks. Leak Sealer F4 works best in warm / hot circulating water and once evenly dispersed will usually be effective within 1 - 24 hours. The sealing efficiency of Leak Sealer F4 has been intentionally limited to prevent blockage of safety devices, pumps, etc.\n\n--For long term protection against corrosion the system should also be treated with a Fernox Protector F1.\n\n Application and Dosage :\n\n--Use 500ml Fernox Leak Sealer F4 for every 80-120 litres of circulating water.\n\n--Almost empty the central heating header tank, t.