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The next generation of circulators

Powered by te Impossibe

The Grundos ALPHA will change the way you view

circulators. With its permanent magnet motor

design, this energy efcient circulator reduces powerconsumption by 50% or more. The unique patented

AUTOADAPT eature controls pump perormance

automatically within dened perormance range,

ensuring lowest possible energy consumption

without sacricing comort.

For installation, you now have the exibility to

use either our unique ALPHA Plug with line cord

or the new ALPHA with terminal box or conduitconnection applications. The choice is yours.

GRUNDFOS AlPhA

Cast IronALPHA 15-55F

Cast IronALPHA 15-55F/LC

Stainess SteeALPHA 15-55SF/LC

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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

Integrated check-valve

(optional)

The UniqUe FeaTUres oF

The GrUndFos aLPha

Nut capture Stainless steel and

cast iron pump

housing available

A one button, easy-

to-use interface

Compact design

Technical Data:

Fow Range: 0 to 21 GPM

head Range: 0 to 19 Feet

Motor: 1X115V

Min. Fuid Temperature: 36F (2C)

Max. Fuid Temperature: 230F (110C)

Max. Working Pressure: 150 PSI

Watts: 5-45W

Amps: 0.65A

Dimensional Drawing:

Product Offering:

A B C D E F G H I J K

6-1 /2 6- 3/16 4-15 /1 6 3-13/1 6 2- 3/8 3-7 /16 4-1/8 5 -3/8 6-11 /1 6 5 -1 /4 6- 1/

0 2 4 6 8 10 12 14 16 18 20 22 24Q [US GPM]

0

2

4

6

8

10

12

14

16

18

[ft]H

Performance Curve:

Orange: AUTOADAPT Range

Red: 3 Constant Pressure Setting

Back: 3 Fixed Speed Settings

Model Description Part Numbe

ALPHA 15-55F Cast iron ange with terminal box 59896877

ALPHA 15-55F R C ast ir on ro ta ted ange with term inal bo x 59896878

ALPHA 15-55SF Stainless ange with terminal box 59896879

ALPHA 15-55F/LC Cast iron ange with line cord 59896832

ALPHA 15-55F R/LC C ast ir on ro ta ted ange with li ne co rd 59896833

ALPHA 15-55SF/LC Stainless ange with line cord 59896834

Service Kit - Line cord 91130247

Service Kit - Terminal box 91130312

For installation, you now have the

exibility to use either our unique ALPHA

Plug with line cord or the new ALPHA

with terminal box or conduit connection

applications. The choice is yours.

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Being responsible is our foundationThinking ahead makes it possible

Innovation is the essence

U.S.A.GRUNDFOS Pumps Corporation700 West 8th TerraceOlathe, Kansas 6606Phone: (93) 227-3400Telefax: (93) 227-300

www.grundfos.us

CanadaGRUNDFOS Canada Inc.294 Brighton RoadOakville, OntarioL6H 6C9Phone: (90) 829-933Telefax: (90) 829-92

www.grundfos.ca

GrUndFos heLPs yoU keeP

in ToUch wiTh The FUTUreAt poweredby.grundfos.comyoull ind all the inormation aboutevents, downloads, marketing materials and tips you need.

Order a FREE copy of the Grundfos Handbook

USA: Visit www.grundfos.us/handbook Promo Code: 18120

CANADA: Visit www.grundfos.ca/handbook Promo Code: 48120

L-AL-SL-00 4/0 (US)