Pump Intelligence Meets Heating Efficiency with the MAGNA Range


How would you like to help your customers reduce energy consumption by 85%? When you bring Grundfos high efficiency circulators and AUTOADAPT technology to the job, you can. 

Get More than Energy Efficiency with the MAGNA1 & MAGNA3

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

The MAGNA1 is a highly-efficient, high-performance circulator designed for pumping liquids in systems where standard operation is desired.

The MAGNA3 offers more advanced control features including AUTOADAPT, FlowADAPT and differential temperature control, all while delivering the highest efficiency on the market.

Looking for the intelligence of a MAGNA3 in a medium size pump? The upgraded MAGNA3-32 circulator is here.

Get the same great features of the MAGNA3 circulator in our smaller MAGNA3-32 model. Featuring an updated wiring junction box, the MAGNA3-32 is quick and simple to install.

Choosing the Right Pump for Your Job is Simple

Grundfos MAGNA products give you the flexibility to choose the right features for your application while keeping sizing and selection quick and easy.

Choose the right ALPHA pump for your application

ALPHA Product Line


MAGNA1 is a price competitive product designed for circulating liquids in heating systems where standard operation 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.



With the MAGNA3, you can stop worrying about complicated pump settings. Simply install the pump and leave it on the factory setting, AUTOADAPT.  The MAGNA3 will automatically analyze the heating system, find the optimum setting and then continuously adjust its operation to changes in demand. The result is optimum comfort and minimum energy consumption.