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Welcome to Fernox

A global market leader, trusted brand and pioneer in its field, Fernox is the only water treatment manufacturer to boast an extensive research and development facility.

Its innovative products – formulated and packaged in an ecologically responsible way – contribute to improving energy efficiency, helping businesses and households to reduce their carbon footprint

International breadth
With offices in the UK, France, Germany, Italy, Belgium, Netherlands, Spain, Hungary, China and the US, Fernox has a truly global reach. The company is well established as a major player in water treatment solutions, equipment and testing and is in regular communication with leading heating system industry professionals such as original equipment manufacturers, associations and government bodies. Fernox also deals with system installers, heating engineers and domestic consumers.

Whatever your interest in Fernox’s products and services, this site will answer some of your technical questions and detail the company’s ground-breaking innovations.
Latest News
Win 50K of heating products (subject to terms and conditions)
New! TF1 Range Seal and 'O' Ring Kit
The new Fernox TF1 Seal and 'O' Ring Kit contains all the necessary seals to keep a TF1 filter water tight after chemical dosing, servicing or maintenance (via the TF1 lid)


View all Fernox 'How to' videos with more to come ...

Handy App for installers to estimate and size a system in seconds…

The simple ideas are always the best. Fernox has identified a gap in the market for a business App to help installers save time when sizing a system. This revolutionary calculator will be available to download FREE.