Restricted spaces are a thing of the past with our new efficient and compact in-line system filter, for those harder to reach spaces and ideal for smaller systems.
Available in 22mm Slip Socket connection and comes with a 10-year warranty.
Approved for use by all major boiler manufacturers – one bottle treats up to 97% of UK homes.
Making things simple, the brand new on-site testing solution.
Doses in 30 secs – no system drain down necessary to save time.
Super-strength, fact-acting citrate cleaner.
Neutraliser not needed, providing rapid results.
Simple, unique sealed design – slip socket & valve options
Cleaner F3 is an effective, universal pH neutral, non-foaming liquid cleaner, which removes sludge, scale and debris from existing central
Protector F1 is the market leading inhibitor which prevents corrosion and limescale formation in central heating systems. This high performance
The Fernox TF1 Antifreeze Valve is specifically designed to protect water-based air source Heat Pump heating systems. In cold weather
The TF1 Sigma Mini is a compact high-performance system filter that utilises a powerful neodymium magnet to protect your system
Fernox is celebrating its 60th year in 2024. As the world’s first chemical water treatment company, the last six decades has seen Fernox consistently lead
Fernox has introduced new TF1 Antifreeze Valves to its extensive portfolio of renewable products. Fernox has introduced new TF1 Antifreeze Valves to its extensive portfolio
Fernox has been awarded the ‘Domestic Heating Product of the Year – Components’ for its Sigma TF1 HP Filter at the H&V News Awards 2023.
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