MAGNA1 circulator pump - heating, cooling, hot water



MAGNA1 model C is a price competitive product designed for circulating liquids in heating systems where simple control and communication is desired. The pump is ideal for larger development projects and is the perfect replacement for UPS pumps in existing systems.

By adjusting the duty point to the actual heat demand, the pump reduces energy costs.

Characteristic features

  • Proportional-pressure control
  • Constant-pressure control
  • Constant-curve/constant-speed duty
  • No external motor protection required
  • Insulating shells supplied with single-head pumps for heating systems
  • Wide temperature range due to thermal separation of the control box and pump media


  • Fault relay
  • Digital input (start/stop)
  • Wireless multipump function with time based alternation
  • Simple installation
  • No maintenance and long life
  • Low noise level
  • LED indication of control functions
  • Infrared communication with Grundfos GO for fault message descriptions and simple settings.

The complete range is available for a maximum system pressure of 16 bar (PN 16).




MAGNA1 or MAGNA3 ? A simple selection guide

MAGNA1 or MAGNA3 ? A simple selection guide (Product brochure)

The energy-efficient MAGNA range covers virtually all system requirements and makes the installation and commissioning of HVAC systems easier than ever.

Grundfosliterature-6014823.pdf (1 MB)


THE NEW MAGNA1, model C (Product brochure)

In short, MAGNA1 is a simple, energy-efficient circulator pump. Built on tried and tested MAGNA technology, it offers a cost-efficient solution for jobs in which simple control and monitoring features are sufficient. Compared to the previous edition, MAGNA1 offers improved technology as well as unmatched levels of energy-efficiency, reliability and user-friendliness.

Grundfosliterature-6014824.pdf (1 MB)

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