Alpha1 15-55FR Variable Speed Circulator Pump w/ IFC, 1/16 HP, 115V


Brand: Grundfos

Mfr Part#: 99287259

Model: Alpha1 15-55FR

Availability: In Stock
Usually ships: Today, if ordered by 3pm
Qty Price
$136.95 / each & Free Shipping
x2 $265.90 & Free Shipping
(2 x $132.95 / each)
  • Description
  • Literature
  • Reviews
  • FAQs

Grundfos: UP15-10F, UP15-42F, UPS15-42F, UPS15-58FC;
Taco: 005-F2-3, 006-F7, 007-F5-5, 008-F6-1, 008-F6-3, 00R-F6-1, 00R-MSF, 0015-MSF3-1, 007e, 0015e;
B&G: NRF-9F/LW, NRF-22, NRF-25, NRF-9F/LW, Ecocirc 19-14 vario, Ecocirc 19-14 auto;
Armstromg: Astro 20, Astro 25, Astro 30, Astro 230CI-R, Astro 250CI-R, Compass 20-20;
WILO: Star S 16FX, Star S 21FX, Star S 21RFC, Stratos ECO 16 RFC;


  • Push button selects one of (3) constant pressure settings;
  • Ideal for residential hydronic or radiant heating;
  • Replaces over (30) circulator models;
  • Ultra-efficient, requires a fraction of power used by regular circulators;
  • Large LED display;
  • Integrated (removable) check-valve and nut captures for flanges;
  • Highest torque rating and most powerful start feature in its class of circulators;
  • Magnetic drive motor with ECM technology, ceramic shaft and stainless steel bearing plate;
  • Rotated flange accepts Grundfos GF15/26 and other brand flanges;
  • Made in the USA.

Technical Specifications:

  • Circulator type: Variable Speed;
  • Voltage: 115V;
  • Amperage: 0.65A;
  • Hertz: 60 Hz;
  • Phase: 1;
  • Watts: 5-45 W;
  • Wiring: Hardwired (terminal box);
  • Temperature Range: 36°F to 230°F;
  • Max Pressure: 150 PSI;
  • Flow Range: 0 - 21 GPM;
  • Head Range: 0 - 19 Ft of head;
  • Material: Cast Iron;
  • Noise level: 19.2 dB(A);
  • Application: Heating only (closed-loop).


30 months from date of installation
No reviews yet
Indicate an email address where you wish to receive the answer to your question.
Enter numbers shown above without spaces. This step helps us to prevent automatic submissions.
The following was added to your shopping cart: ×

Forgot Your Password?

Enter your e-mail address below.
You will receive an e-mail
with password reset instructions.


Estimate Delivery Date & Cost

Ship to Zip Code:
Qty (Optional):