Fernox TF1 Compact 22mm Magnetic Inline Filter

Fernox TF1 Compact 22mm Magnetic Inline Filter

By Fernox · Model: 62137 · Plumbing & Heating

Compact magnetic inline filter combining hydrocyclonic and neodymium magnet filtration to remove sludge and debris from central heating systems.

  • Combined hydrocyclonic and neodymium magnet filtration
  • Removes both magnetic and non-magnetic contaminants
  • Compact body designed to fit flush to a wall
  • 22mm valve connections included for direct pipework fitting
  • Can be installed in horizontal or vertical pipework
  • Quick and easy to clean without draining the system
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Overview

The Fernox TF1 Compact is the slimline version of Fernox's market-leading magnetic filter range. It combines hydrocyclonic action with powerful neodymium magnets to capture both magnetic sludge (iron oxide) and non-magnetic debris from system water, protecting boilers, pumps and valves from damage and improving heating efficiency.

In-Depth Look

The Fernox TF1 Compact sits alongside the F1 Protector (already on this site) as one of Fernox’s core central heating protection products. While the F1 is a chemical inhibitor, the TF1 Compact is a physical filter — and the two work best together.

How It Works

The TF1 Compact uses two filtration methods simultaneously. Hydrocyclonic action spins water to separate heavier debris particles, while powerful neodymium magnets capture iron oxide sludge — the black magnetite that causes most boiler and pump failures. Together, they remove the contaminants that degrade heating performance and cause expensive breakdowns.

Compact Advantage

The slim body is designed to fit flush against a wall, making it ideal for installations where space is tight — under a wall-hung boiler, inside a kitchen cupboard, or in a utility room. It connects directly to 22mm pipework using the included valve fittings.

Verdict

The Fernox TF1 Compact is an essential component of any well-protected central heating system. Paired with Fernox F1 inhibitor, it provides comprehensive physical and chemical protection against sludge, corrosion and scale — the three main causes of heating system failure.

Specifications
Connection Size22mm (valve fittings included)
FiltrationHydrocyclonic + Neodymium magnet
OrientationHorizontal or vertical
Body MaterialEngineering polymer
Max Operating Pressure3 bar
Max Operating Temp90°C

Who It's For

  • Heating engineers fitting filters as part of boiler installations and powerflushing
  • Plumbers maintaining and protecting existing central heating systems
  • Homeowners looking to improve heating efficiency and prevent breakdowns

Pros & Cons

Pros

  • Dual filtration captures both magnetic and non-magnetic contaminants
  • Compact design fits where full-size filters cannot
  • Easy to clean without draining the heating system
  • Proven track record as part of the Fernox TF1 range

Cons

  • Smaller capacity than the full-size TF1 Total Filter
  • 22mm connections only — needs adaptors for 28mm systems
  • Requires isolation valves for servicing (included)
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