548287 1 Grundfos Alpha 15 Product Manual

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grundfos alpha

it’s time to

DEMAND

MORE

Simple to install,
Simple to operate.
Simply the best.
The Grundfos ALPHA will change the way you view
circulators. With its uniquely patented AUTOADAPT™
feature - this energy efficient circulator controls
pump performance automatically within a defined
performance range, thus saving up to 85% of
energy consumption.
For installation, you also have the flexibility to use
either our unique ALPHA Plug with line cord or the
ALPHA with terminal box for conduit connection
applications. The choice is yours.

The Unique Features of
the Grundfos ALPHA™

Unique ALPHA Plug
with line cord

Terminal box for
conduit connection
applications

Large display shows
current energy
consumption in Watts

Large display shows
estimated flow in
gallons per minute

A one button, easyto-use interface

Nut capture

Compact design

Stainless steel and
cast iron pump
housing available

Integrated check-valve
(optional)

QR code
Scan with your smart
device to learn more
about ALPHA.

Performance Curve:

Technical Data:
Flow Range: 	
Head Range: 	
Motor: 	
Min. Fluid Temperature: 	
Max. Fluid Temperature: 	
Max. Working Pressure: 	
Watts:	
Amps:	

0 to 21 GPM
0 to 19 Feet
1X115V
36°F (2°C)
230°F (110°C)
150 PSI
5-45W
0.65A

Product Offering:

ALPHA APPROXIMATE POWER USAGE

Model

Description

Part #

ALPHA 15-55F

Cast iron flange with terminal box

59896877

ALPHA 15-55FR

Cast iron rotated flange with terminal box

59896878

ALPHA 15-55SF

Stainless flange with terminal box

59896879

Cast iron flange with line cord

59896832

ALPHA 15-55FR/LC

Cast iron rotated flange with line cord

59896833

ALPHA 15-55SF/LC

Stainless flange with line cord

59896834

Service Kit - Line cord

91130247

Service Kit - Terminal box

91130312

ALPHA 15-55F/LC

Dimensional Drawing:
Terminal
Box

Line
Cord

A

B

C

D

E

F

G

H

I

J

K

6-1/2

6-3/16

4-15/16

3-13/16

2-3/8

3-7/16

4-1/8

5-3/8

6-11/16

5-1/4

6-1/2

At Grundfos, we believe in making the complicated seem simple and innovative
technology intuitive. Bringing more flexibility and ease of use to your workflow,
AUTOADAPT technology is revolutionary to the market. As the ideal choice for
more than 80% of systems, AUTOADAPT will continuously search for the lowest
possible head to meet system requirements and find the setting that provides
optimal comfort with minimal energy consumption.
You can also go online and explore our Modern Comfort site for all your
domestic buildings needs. Visit:

moderncomfort.grundfos.us

L-AL-SL-001 Rev. 02-14

GRUNDFOS Kansas City
17100 West 118th Terrace
Olathe, Kansas 66061
Phone: (913) 227-3400
Fax: (913) 227-3500

GRUNDFOS Canada
2941 Brighton Road
Oakville, Ontario
L6H 6C9
Phone: (905) 829-9533
Fax: (905) 829-9512

GRUNDFOS Mexico
Boulevard TLC No. 15
Parque Industrial Stiva Aeropuerto
C.P. 66600 Apodaca, N.L. Mexico
Phone: 011-52-81-8144 4000
Fax: 011-52-81-8144 4010

www.grundfos.us

www.grundfos.ca

www.grundfos.mx

The name Grundfos, the Grundfos logo, and be think innovate are registered trademarks
owned by Grundfos Holding A/S or Grundfos A/S, Denmark. All rights reserved worldwide.



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