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€114,00
€129,75
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Heating Water Filter Heating Filter Magnetic Sludge Separator Filter FDM-2C

with 3/4" inch brass thread

The heating water filter removes magnetic and non-magnetic particles and, in particular, corrosion deposits dislodged from older heating systems.
Contaminants from heating, cooling and solar systems. Iron-containing and non-magnetic contaminants, as well as sludge, are filtered out of the heating water.

„Highest quality – 10-year warranty – Made in Italy – Not cheap imported goods from China!“

A Magnetic sludge separator (heating water filter) bietet a range of benefits for heating systems – especially for water-based systems with radiators or underfloor heating. Here are the most important Advantages and Benefits Overview:


🔧 Advantages of a magnetic sludge separator:

  1. Removal of magnetic particles (e.g. iron oxides / magnetite):

    • Prevents deposits in radiators, heat exchangers and valves.

    • Protects sensitive components such as circulation pumps or heating valves.

  2. Protection against corrosion:

    • Iron particles promote corrosion in the heating system. A filter significantly reduces this effect.

  3. Improving heating system efficiency:

    • Less buildup = better heat transfer.

    • Fuel consumption may decrease because the system runs more efficiently.

  4. Extending the lifespan of the heating system:

    • Less wear and tear thanks to clean heating water.

    • Saves on long-term repair and maintenance costs.

  5. Easy maintenance:

    • Most filters can be cleaned or rinsed without much effort.

    • Magnets can be easily removed for cleaning.

  6. Improvement of water quality:

    • Also protects against non-magnetic suspended solids (for combination filters).

    • Promotes compliance with VDI 2035 (recommendation on water quality in heating systems).

  7. Ideal for renovation or retrofitting:

    • Especially recommended for older systems with steel pipes or cast-iron radiators.


Practical benefits:

  • Fewer disruptions and outages.

  • Lower maintenance requirements for professionals.

  • Sustainable heating operation – eco-friendly & cost-effective.

  • A worthwhile investment for new systems or as a retrofit.



Technical specifications:

Brass fitting 3/4“ inch
Housing and lid: Reinforced polyamide PA66
Filter element: Stainless steel AISI 304 L
O-rings: EPDM
Drain thread: Brass CW 614 N - 1” inch
Magnet: NdFeB - 4500 Gauss - Brass Magnet Holder CW 617 N
Magnet holder: polypropylene
Filtration grade 500 μm


Dimensions: 135 x 180 x 70 mm (HxWxD)
Betriebsdruck: maximal 3,0 bar
Temperaturbereich: 4 - 90 °C

Applications: Heating protection filter

You will receive a heating protection filter FDM-2B.