Grundfos ALPHA Hot Water Variable Speed Circulation Pump

Grundfos ALPHA Pump, Hot Water, Variable Speed, Circulation Pump, Grundfos PumpsWith the Grundfos ALPHA, you can stop worrying about complicated pump settings. Simply install the pump and leave it on the factory setting, AUTOADAPT. The ALPHA will automatically analyse the heating system, find the optimum setting and continue to adjust its operation to changes in demand.


The Grundfos ALPHA is designed for circulating liquids in light commercial heating systems. Pumps with stainless steel pump housings can also be used in residential hot-water heating systems.

The Grundfos ALPHA is suitable for:

  • Systems with constant or varying flows where it is desirable to optimise the pump duty point

  • Systems with a varying flow-pipe temperatures

  • Systems where night setback is required.

Features & Benefits

  • Compact design, with control box well integrated into the pump head

  • AUTOADAPT control mode as the default setting, suitable for most applications

  • Integrated differential pressure control (proportional and constant pressure control)

  • Display showing actual power consumption (P1) in Watts

  • Low noise

  • High starting torque

  • Automatic night setback

  • Motor based on permanent-magnet/compact-stator technology

  • Integrated frequency converter

  • Self-venting pump housing