Power Cleaner F8 can be dosed into the system up to a week before flushing. This high performance, strong cleaner is effective after one hour circulating under normal operating conditions.
How to repair system leaks
Leaks in water systems can result from external frost damage, dry solder joints, accidental perforation during maintenance or decoration, or internal corrosion. Sealing internal leaks (central heating systems only) Small leaks, including pressure drops on combination boilers and other sealed systems, can be repaired using Fernox Leak Sealer F4. Each Leak Sealer F4 product treats 100 litres or up to
