ALPHA2 is the latest and most innovative Grundfos high-quality circulator pump. With ALPHA2, you can stop worrying about complicated pump settings. Simply install the pump and leave it on the factory setting, AUTOADAPT. ALPHA2 will automatically analyze the heating system, find the optimum setting and continue to adjust its operation to changes in demand.


1.Circulating liquids in heating systems. Pumps with stainless steel pump housings can also be used in domestic hot-water systems.·

2.Systems with constant or varying flows where it is desirable to optimize the pump duty point

3.Systems with a varying flow-pipe temperatures

4.Systems where night setback is required.

Features and benefits

· EUP compliant – one of the most energy efficient circulators on the market

· 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

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