The MAGNA3 circulator is a highly-advanced canned rotor pump intended for large commercial buildings such as hospitals and schools. Intelligent features such as AUTOADAPT and FLOWADAPT select the optimal system setting, ensuring that your system always provides the best possible comfort and the most efficient operation.

Connect the pump to a building management system and get complete control and monitoring of the system and improve reliability at the same time. You can also use the Grundfos GO Remote for monitoring purposes, giving you access to system data right at your fingertips.

MAGNA3 also offers multi-pump functionality, in which two pumps are connected in parallel. Multi-pump systems can operate in alternating, backup or cascade operation.

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The Grundfos MAGNA3 circulator pump is the premium choice when system control and monitoring is key. MAGNA3 supports fieldbus by optional CIM modules and has a TFT display for intuitive configuration of the intelligent features.


Suitable for:

  • Commercial air conditioning
  • Commercial heating
  • Commercial hot water recirculation
  • District cooling
  • District heating
  • Domestic hot water recirculation
  • Domestic heating
  • Cooling
  • Industrial heating


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