www.pexuniverse.com PexUniverse - PEX, Plumbing, Heating, HVAC Supplies Industrial equipment supplier in Brooklyn, New York
Alpha2 15-55F/LC Variable Speed Circulator Pump w/ IFC, Line Cord, 1/16 HP, 115V
Brand: Grundfos
Part#: 99163906
Model: Alpha2 15-55F/LC
This product has been discontinued.
Direct Replacement:
SKU: 99285998
Brand: Grundfos
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 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
  • 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
Write a Review
Helpful? Yes {{ (2*reviews[i].feedback_helpful) - reviews[i].feedback_count }} No
Verified Purchase
{{ reviews[i].content.title }}
Reply from PexUniverse:
By {{ reviews[i].content.name }} (from {{ reviews[i].content.location }}) on {{ reviews[i].created_at | formatDate }}
Ask a Question
{{ f.question }}
Helpful? Yes {{ (2*f.feedback_helpful) - f.feedback_count }} No
By PexUniverse Customer Service on {{ f.answered | formatDate }}

Recently viewed products