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Fernox 56603 500ml F4 Leak Sealer by Fernox
DESCRIPTION
Plugs small internal weeps and leaks in central heating systems;Ideal for reducing pressure loss from sealed systems;Saves time and money on draining down and repairing;Treats 100L system or up to 10 single radiators;Compatible with all metals and materials commonly used in central heating systems
- Fernox 56603 500ml F4 Leak Sealer