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Grundfos 99163906 ALPHA2 15-55F/LC Variable Speed Cast Iron Circulator Pump w/IFC, Line Cord, 1/16 HP, 115V


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Product Description

Alpha2 15-55F/LC model is a cast iron variable speed circulator with Line Cord & AutoADAPT feature, designed for use in a variety of hydronic and radiant heating applications.

Additional information




  • New and improved version of Grundfos bestselling Alpha circulator
  • AutoADAPT feature allows the circulator to adapt to changes in the hydronic system to maximize energy savings
  • Push button allows to select between AutoADAPT, constant speed (3 settings – Hi/Med/Low) or contant pressure (3 settings) modes
  • Large LED display
  • Built-in check valve
  • Insulation jacket and (2) gaskets (O-rings) included
  • Permanent magnet motor technology with robust startup enables pump to restart indefinitely when rotor is blocked
  • Cast iron body for closed-loop heating applications
  • Standard flange accepts Grundfos GF15/26 and other brand flanges
  • Model with US standard 3-prong line cord



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