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Save 11% on Fernox F4 Central Heating Leak Sealer 500ml (766PP)
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ShareFernox F4 Central Heating Leak Sealer 500ml (766PP)
Users say:
Fernox is a great product for stopping small leaks in heating systems. It is easy to use and can be used to fix a variety of issues. It has been successful in stopping leaks in older systems and has been able to keep them going for years. However, some users have experienced issues with the product not working properly.
Fernox F4 Central Heating Leak Sealer is a fast-acting formula that fixes system pressure loss quickly. It's compatible with all metals and ma…
Fernox F4 Central Heating Leak Sealer is a fast-acting formula that fixes system pressure loss quickly. It's compatible with all metals and materials, including aluminium, and can be left permanently in the system. One bottle treats up to 16 radiators or 250m² of underfloor heating.
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Review summary
AI-generated content
Fernox is a great product for stopping small leaks in heating systems. It is easy to use and can be used to fix a variety of issues. It has been successful in stopping leaks in older systems and has been able to keep them going for years. However, some users have experienced issues with the product not working properly.
Pros
- Easy to use
- Saves money on repairs
- Restores boiler pressure
Cons
- Confusing instructions
Read original reviews
Description
Fernox F4 Central Heating Leak Sealer is a fast-acting formula that fixes system pressure loss quickly. It's compatible with all metals and materials, including aluminium, and can be left permanently in the system. One bottle treats up to 16 radiators or 250m² of underfloor heating.
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