Magnetic Filters

Protect your boiler from sludge and debris with our range of magnetic filters. These essential components keep system water clean, boost efficiency, and extend the life of your heating unit. Choose from our proven filters from trusted brands and ensure your boiler runs reliably, year after year.

Shop our entire range of magnetic filters today 

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Ahorrar £20 GBP
Worcester Greenstar System Filter Mini 22mm 7733600266
Bosch Worcester Greenstar System Filter Mini 22mm 7733600266
Precio de venta£129 GBP Precio habitual£149 GBP
Disponibles, 74 unidades
ADEY MagnaClean Professional 2, 22 mm System FilterADEY MagnaClean Professional 2, 22 mm System Filter
ADEY ADEY MagnaClean Professional 2, 22 mm System Filter
Precio de venta£100 GBP
Disponibles, 11 unidades
Ahorrar £29.99 GBP
Worcester Bosch Greenstar 22mm Magnetic Filter 7733600236
Worcester Worcester Bosch Greenstar 22mm Magnetic Filter 7733600236
Precio de venta£170 GBP Precio habitual£199.99 GBP
Disponibles, 20 unidades
Fernox TF1 Sigma UB Filter 22mm (Under-Boiler) – 62631Fernox TF1 Sigma UB Filter 22mm (Under-Boiler) – 62631
Fernox Fernox TF1 Sigma UB Filter 22mm (Under-Boiler) – 62631
Precio de venta£62 GBP
Disponibles, 11 unidades
Vaillant Advance Boiler Protection Kit | 0010035819 | 22 mm Filter
ADEY MagnaClean Micro Black 22 mm – Adey MagnaClean Micro 1 Filter (22mm)ADEY MagnaClean Micro Black 22 mm – Adey MagnaClean Micro 1 Filter (22mm)
Indi 22mm Inline Magnetic FilterIndi 22mm Inline Magnetic Filter
Indi Indi 22mm Inline Magnetic Filter
Precio de venta£60 GBP
Solo quedan 4 unidades
Fernox TF1 Sigma 22mm Filter with Valves
Fernox Fernox TF1 Sigma 22mm Filter with Valves
Precio de venta£139.99 GBP
Disponibles, 11 unidades
Boiler-M8 Defender-2 22 mm Magnetic Filter – Central Heating System Protection & FiltrationBoiler-M8 Defender-2 22 mm Magnetic Filter – Central Heating System Protection & Filtration
VAILLANT 22MM BOILER FILTER PROTECTION KIT 0020278309
Vaillant VAILLANT 22MM BOILER FILTER PROTECTION KIT 0020278309
Precio de venta£189.99 GBP
Disponibles, 11 unidades
Boiler-M8 Isolation Valves 28 mm (Pair) – Full-Bore Compression Valves for Magnetic Filter InstallationsBoiler-M8 Isolation Valves 28 mm (Pair) – Full-Bore Compression Valves for Magnetic Filter Installations
Intaklean HP Magnetic Filter
Inta Intaklean HP Magnetic Filter
Precio de venta£199 GBP
Disponibles, 9 unidades

Filter Your Central Heating System For Optimal Performance

Magnetic filters trap circulating iron oxide (black sludge), preventing corrosion and breakdowns. We stock only tested, high-performance models from ADEY, Worcester Bosch, Fernox, and Vaillant, filters that installers trust for long-term system protection.

ADEY MagnaClean Filters

ADEY sets the standard for boiler protection, trusted by installers across the UK. Their filters are designed for maximum sludge capture and easy maintenance.

  • Professional 2 - High-capacity filter that protects both domestic and trade systems, extending boiler life.
  • Micro - Compact option for tight spaces where full-size filters won’t fit, without compromising performance.
  • Bulk buy packs - Cost-effective solution for installers fitting multiple systems, reducing per-unit cost.

Worcester Bosch Magnetic Filters

The best choice for Worcester boilers, designed to fit seamlessly and protect manufacturer warranties.

Fernox TF1 Filters

Fernox combines magnetic and non-magnetic filtration for maximum debris removal. Built for robust, professional-grade use.

  • Fernox TF1 Sigma 22mm - Durable and highly effective filter that delivers long-term reliability and reduced maintenance.

Vaillant Magnetic Filters

Engineered to integrate perfectly with Vaillant systems, ensuring guaranteed compatibility and performance.

Universal Magnetic Filters

Flexible, reliable, and great value options for a wide range of systems.

Purchase Your Next Magnetic Filter Online Today

Sludge and corrosion are the leading causes of boiler breakdowns, but the right magnetic filter prevents these problems before they start. At Spares Direct, we make protecting your system simple and cost-effective.

  • Fast delivery across the UK – Get the part you need before problems escalate.
  • Trusted brands only – ADEY, Worcester Bosch, Fernox, Vaillant, and more.
  • Tested for reliability – Every filter is chosen for proven performance in the field.
  • Expert support – Speak to our team to confirm the right fit for your system.
  • Cost-saving protection – Extend boiler life, cut repair bills, and maintain efficiency.

Contact our team to start protecting your boiler today

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