ALPHA3 circulator pump – heating, cooling

The Grundfos ALPHA3 marks the start of a new era in domestic circulators for installers. With the ALPHA3, it’s never been quicker or easier to operate a pump within domestic heating systems.

General Details


Through the Grundfos GO Remote app, the ALPHA3 is now controlled directly on your smartphone, making pump setup and monitoring simpler than ever. The ALPHA3 also comes with built-in functionality to perform easy flow-based hydronic balancing with the Grundfos GO Balance app.

Full control via your smart device

The ALPHA3 is fully controlled via your smart device. It utilises integrated Bluetooth communication that connects to the intuitive Grundfos GO Remote app, ensuring smarter and more optimal operation. This enables you to easily exchange information between the pump and your smart device. From the moment the circulator is installed and connected, all pump operation, including setup wizard, is available in the GO Remote app (iOS and Android).

Grundfos GO Remote

Grundfos GO Remote is our easy-to-use platform for remote product control, selection and information. It offers you fast and intuitive control of all pump features for connected pumps such as the ALPHA3. It also gives you direct access to our online tools, saving valuable time on reporting and data collection.


Grundfos GO Balance guides you through every step of flow-based hydronic balancing with the ALPHA3 to make the process quick and easy. GO Balance is the first-ever mobile platform for hydronic balancing of two-pipe radiator and underfloor heating systems, providing documentation and saving you time.

The Grundfos ALPHA3 is suitable for:

  • One and two-pipe radiator systems
  • Underfloor heating systems
  • Suitable for air-conditioning systems with liquid temperatures ≥ 2 °C

Key features and benefits:

  • Built-in hydronic balancing
  • Full control via Grundfos GO Remote app, offering step-by-step assistance for pump configuration, maintenance and commissioning
  • Dry-running protection during start-up and operation
  • Robust restart enables the pump to continuously attempt restarting with the highest possible torque
  • AUTOADAPT automatically adjusts to the best pump setting in radiator and underfloor mode
  • Market-leading efficiency
  • Low noise level
Technical service