MAGNA3 is an intelligent, high-efficiency circulator pump

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. 

Save energy and time with intelligent control

Intelligent control modes such as AUTOADAPT result in significant energy savings.

The MAGNA3 circulator is simple and fast to install and has no maintenance requirements. 

Inputs and outputs ensure better system monitoring and optimal pump regulation.

MAGNA3 is an all-purpose circulator, ideal for applications such as heating, cooling and domestic hot water. 

The all-purpose MAGNA3 for any HVAC system

Learn how to make installation and commissioning easy with the Grundfos MAGNA3 application wizard. Your benefits include:

  • Simple installation and commissioning
  • Reduced energy consumption
  • Increased system performance

MAGNA3, More than a pump

The MAGNA3 is a circulator pump based on the tried and tested MAGNA technology and our industry-leading experience with electronic pumps. The permanent magnet motor, AUTOadapt function and integrated frequency converter is still part of the MAGNA package, but we’ve added some additional, ground-breaking new technologies. The result is a cutting-edge piece of intelligent technology that retains the unrivalled Grundfos reliability.

Install and control the MAGNA3 quickly and easily

The MAGNA3 is our state-of-the art large circulator and is the pump you’ll want to bring, when your customers want world-class efficiency. Watch the video and see how easy it is to install and control the MAGNA3.

See how customers benefit from this product

When Grundfos is a part of the solution, you get reduced energy consumption, increased comfort and unsurpassed operational reliability. Read our customers' own stories about how they benefit from the Grundfos approach to intelligence, water and energy.

Become an expert in just a few clicks

Save time in your daily work by improving your skills, your know-how and your business with the online training platform ECADEMY.

Click on a course below to start your training now.

Interested in improving your product knowledge?

Find out about the latest studies of pumps and systems, where to use Grundfos solutions and how to achieve the best performance, or search Grundfos research & insights for specific learning materials, articles, white papers, videos and much more that benefit your solution.

Get answers to your questions about this product

We have gathered frequently asked questions and their answers in one place. See the most frequently asked questions below or go to the Grundfos FAQ for a complete list of answers to questions about our products.