Fernox Leak Sealer F4 Liquid 500ml – 56603
F4 Leak Sealer from Fernox can be used throughout a domestic heating system for sealing internally inaccessible leaks. Ideally and best used when hot or warm water is circulating in the system and normally effective within 1 to 24 hours.
It won’t block any safety devices or pumps while in use.
Features and Benefits:
|Manufacturer Part Number||56603|
£13.91 (Inc. VAT)
RRP £24.22 Save 42%