Grundfos Aplha3
Grundfos Alpha3 Chart
Grundfos Aplha3
Grundfos Alpha3 Chart

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Alpha3 Range

The new and improved ALPHA3 small circulator offers unrivalled energy efficiency, based on proven Grundfos technologies.

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  • Description

    With the new ALPHA3 you can stop worrying about complicated pump settings. Simply install the pump and leave it on the factory setting, AUTOADAPT. The ALPHA3 will automatically analyse the heating system, find the optimum setting and continue to adjust its operation to meet the changes in demand.

  • Applications

    Alpha3 pumps are used in the following areas of application:-

    • One & Two Pipe Heating Systems.
    • Underfloor Heating.
    • Air Conditioning/Cooling Systems.
    • Domestic Hot Water Systems.
  • Features
    • Better in class energy efficiency    NEW
    • Flow meter for trouble-shooting and balancing    NEW
    • Energy efficient circulator that exceeds the EuP/ErP EEI rating for 2015
    • 5 year warranty
    • Patented AUTOADAPT setting for easy set up and the best efficiency against changes in system demand
    • Permanent magnet motor
    • Quiet operation, minimal system and valve noise
    • Unique ‘plug and pump’ electrical connection for speedy installation
    • LED display showing power on and electrical usage
  • Materials
    • Housing (Volute): Cast Iron with Catophoresis surface coating
    • Shaft: Ceramic
    • Bearings: Ceramic

Why the Grundfos Alpha3 Range…


Low Energy Consumption


Easy to Use


5 Year Warranty


Quick Installation


Flow Meter for Trouble-Shooting


Low Noise