Alpha2 15-55F/LC Variable Speed Circulator Pump w/ IFC, Line Cord, 1/16 HP, 115V

Alpha2 15-55F/LC Variable Speed Circulator Pump w/ IFC, Line Cord, 1/16 HP, 115V
Alpha2 15-55F/LC Variable Speed Circulator Pump w/ IFC, Line Cord, 1/16 HP, 115V QR Code
Views: 6638 Model: 99163906

MPN: 99163906


Weight:7.50 lb

Dimensions (L x W x H ): 6.50 x 8.50 x 9.00



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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.
Note: this model replaces older Alpha model 59896832.
Grundfos: UP15-10F, UP15-42F, UPS15-42F, UPS15-58FC
Taco: 005-F2-2, 006-F7, 007-F5-5, 008-F6-1, 008-F6-3, 00R-F6-1, 0015-MSF3-1
B&G: NRF-25, NRF-9F/LW, Ecocirc 19-14 vario, Ecocirc 19-14 auto
Armstrong: Astro 230CI-R, Astro 250CI-R, Compass 20-20
WILO: Star S 16FX, Star S 21FX, Star S 21RFC, Stratos ECO 16 RFC.




  • New and improved version of Grundfos bestselling Alpha circulator;
  • AutoADAPT feature allows the circulator to adapt to changes in the hydronci 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;
  • 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: Cast Iron;
  • Application: Heating only.



1 year from the date of installation


Product Specs
Application:Heating only.
Flow Range:0 - 21 GPM
Head Range:0 - 19 ft of head
Material:Cast Iron
Max Pressure:150 psi
Temperature Range:36°F - 230°F
Watts:5 - 45W (depending on mode selected)
Wiring:Line Cord w/ Plug
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