The Grundfos MAGNA3 25-120 is the definitive solution to inefficient, noisy pumps. As the intelligent heart of your heating or cooling system, this pump is designed by Grundfos for professionals who demand reliability and users who value peak efficiency. At National Pumps and Boilers, we proudly offer this exceptional pump as a core part of a high-quality system.

Smart, Versatile, and Seriously Efficient

When precise control is non-negotiable, the MAGNA3 is the premium choice. It acts as the brain of your system, using its brilliant AUTOADAPT feature to learn your building’s energy patterns. This allows it to slash your energy bills by constantly adjusting for the perfect balance of comfort and efficiency. The intuitive TFT display makes configuration a breeze, saving valuable time on site.

Beyond its intelligence, the MAGNA3 is a robust workhorse. Its whisper-quiet operation won't disturb the peace, while the innovative FLOWADAPT technology removes the need for separate balancing valves, saving you time and money. For total system control, the MAGNA3 offers flawless integration with Building Management Systems via optional CIM modules. For on-the-go adjustments, the Grundfos GO Remote app gives you full control from your phone. You can find compatible parts in our Grundfos Data Communication section.

The Perfect Fit for Any Application

The MAGNA3's versatility makes it the ideal choice for a huge range of systems:

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

Built to last with a tough cast iron housing and a maintenance-free design, it’s one of the most reliable and trusted commercial circulators you can install. It’s professional-grade reliability, made simple.

Technical Specifications

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