Product Overview

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:
Flow Range: 0 to 21 GPM
Head Range: 0 to 19 Feet
Motor: 1X115V
Min. Fluid Temperature: 36°F (2°C)
Max. Fluid Temperature: 230°F (110°C)
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 4-15/16 3-13/16 2-3/8 3-7/16 4-1/8 5-3/8 6-11/16 5-1/4 6-1/2
0 2 4 6 8 10 12 14 16 18 20 22 24
Q [US GPM]
0
2
4
6
8
10
12
14
16
18
[ft]
H
Performance Curve:
Orange: AUTOADAPT™ Range
Red: 3 Constant Pressure Settings
Black: 3 Fixed Speed Settings
Model Description Part Number
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
ALPHA 15-55F/LC 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
For installation, you now have the
flexibility to use either our unique ALPHA
Plug with line cord or the new ALPHA
with terminal box for conduit connection
applications. The choice is yours.