Fernox

Fernox is a market‑leading specialist in water treatment solutions, chemical maintenance, system protection and filtration for heating and plumbing systems. Established in 1964, the company manufactures products for both domestic and commercial use.

About Fernox

With its headquarters in Woking, UK, Fernox operates manufacturing facilities across Europe and maintains a global presence with offices in several countries. The brand invests significantly in research and development, with dedicated R&D centres and over 250 scientists worldwide. Its services include chemical treatments, filtration devices, diagnostic testing and consumables for hydronic systems.

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Product Range

Fernox offers an extensive product portfolio including:

  • Inhibitors & Protectors: Products like Protector F1 to prevent corrosion and scale formation in heating systems.
  • Cleaners: For example Cleaner F3 for removing sludge, scale and deposits before protection.
  • Filters & Filter Packs: Inline system filters (e.g., TF1 series) to capture magnetic and non‑magnetic debris.
  • Scale Reducers & Limescale Remedies: Devices and chemistry to manage hard water scale, especially for boilers and heat pumps.
  • Tests Kits, Leak Sealers & Consumables: Kits for diagnostics, specialised sealers for leaks, and other plumbing consumables.

Key Features & Benefits

  • Industry‑leading R&D & quality standards: Fernox’s products exceed many industry standards (WRAS, KIWA, NSF) and support energy‑efficiency goals.
  • System protection & longevity: By using the right combination of cleaners, filters and protectors, heating systems run more efficiently and last longer.
  • Comprehensive coverage: The range covers domestic, commercial and renewable applications, making it suitable for a wide variety of systems.
  • Installer‑friendly solutions: With filters, test kits and consumables specifically designed for professional use, Fernox supports installers in delivering effective system maintenance.