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Alpha2 15-55SF/LC Variable Speed Stainless Steel Circulator Pump w/ IFC, Line Cord, 1/16 HP, 115V
Brand: Grundfos
Part#: 99163972
Model: Alpha2 15-55SF/LC
This product has been discontinued. No direct replacement is available at this time.
Alpha2 15-55SF/LC model is a stainless steel variable speed circulator with Line Cord & AutoADAPT feature, designed for use in a variety of heating, plumbing and cooling applications. It is certified lead-free, approved for potable water applications and meets NSF61 & 372 standards.
Note: this model replaces older Alpha model 59896834.

  • 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
  • Stainless steel body for closed or open-loop heating and potable applications
  • Standard flange accepts Grundfos GF15/26 and other brand flanges
  • Model with US standard 3-prong Line Cord
  • Certified lead-free
  • Made in the USA.

Technical Specifications:
  • Voltage: 115V
  • Amperage: 0.65A
  • Hertz: 60
  • Phase: 1
  • Watts: 5 - 45W (depending on mode selected)
  • Wiring: Line Cord w/ Plug
  • Temperature Range: 36°F - 230°F
  • Max Pressure: 150 psi
  • Flow range: 0 - 21 GPM
  • Head Range: 0 - 19 ft of head
  • Material: Stainless Steel
  • Application: Plumbing or Heating.

1 year from the date of installation
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