Covid-19 Update: Goods dispatching as normal

The new and improved ALPHA2 small circulator offers unrivalled energy efficiency, based on proven Grundfos technologies.

With the new ALPHA2 you can stop worrying about complicated pump settings. Simply install the pump and leave it on the factory setting, AUTOADAPT. The ALPHA2 will automatically analyse the heating system, find the optimum setting and continue to adjust its operation to meet the changes in demand.


Alpha2 pumps are used in the following areas of application:-

  • One & Two Pipe Heating Systems.
  • Underfloor Heating.
  • Air Conditioning/Cooling Systems.
  • Domestic Hot Water Systems.
  • 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
  • Insulation shells included.
  • Housing (Volute): Cast Iron with Catophoresis surface coating
  • Shaft: Ceramic
  • Bearings: Ceramic


  • : 3.42m³/h
  • : 6.126m
  • : 2°C to 110°C
  • : 10Bar

Still Unsure Of What You Need?

Contact our team of experts today on 01902 333 111